Jasmin answered ¾ of the questions on her test correctly. If there were 48 questions on the test, how many did she get correct?

Question 8 options:

12


24


36


48

Answers

Answer 1
To find 3/4 of 48, multiply 48 by the decimal form of 3/4.

0.75*48=36

Final answer: 36

Related Questions

How many yards are in 150 feet?

Answers

Each yard is 3 feet, so 150 / 3(a yard) = 50 (yards)

There are 50 yards in 150 feet.

To convert feet to yards, we need to know that there are 3 feet in a yard. Therefore, to find out how many yards are in 150 feet, we divide the number of feet by the conversion factor of 3.

150 feet ÷ 3 = 50 yards

So, there are 50 yards in 150 feet.

To understand why this conversion works, we can think about the relationship between feet and yards. One yard is defined as 3 feet, meaning it is three times longer than a single foot. Therefore, when we have a certain number of feet, we can divide it by 3 to determine how many times the length of one yard fits into that measurement. In this case, 150 feet can be divided evenly into 50 groups of 3 feet, which gives us 50 yards.

In summary, there are 50 yards in 150 feet, and this conversion is derived from the fact that one yard is equivalent to 3 feet.

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Suppose there is a 1.1 degrees Fahrenheit drop in temperature for every thousand feet that an airplane climbs into the sky. If the temperature on the ground is 59.7 degrees Fahrenheit, what will be the temperature at the altitude of 11000 ft?

Answers

Answer:

47.6 Degree Fahrenheit

Step-by-step explanation:

Given:

The Airplane is on the ground level at a temperature 59.7 Fahrenheit. Every 1,000 feet there will be drop in temperature which is 1.1 degrees Fahrenheit.

Initial Temp = 59.7 Fahrenheit

Distance Covered = 11,000 Ft

Explanation:

This means the Ground level is zero feet as the Airplane stands there.

Later, it climbs into the sky with 11,000 altitude.

That is [tex]11 * 1000[/tex]

For every 1,000 there is decrease in temperature of 1.1 degree Fahrenheit

Therefore, 11 times the temperature will decrease

That is  [tex]11 * 1.1[/tex]

12.1 Degree temperature will drop at 11,000 feet

Therefore

Temperature at 11,000 feet will be [tex]59.7 - 12.1[/tex]

47.6 Degree Fahrenheit

Answer:47.6

Step-by-step explanation:the airplane is on ground level at a temperature of 59.7 f every 1000 deggres will drop

 

another question -_-!
2/3 x-7=11
X=?

Answers

 2/3x - 7 = 11
2/3x = 11 + 7
2/3x = 18
x = 18 * 3/2
x = 27

Hope this helped!
Let's solve your equation step-by-step.23x−7=11

Step 1: Add 7 to both sides.23x−7+7=11+723x=18

Step 2: Multiply both sides by 3/2.

Then the answer is x=27
plz mark brainliest 

0.67x0.3 showing work

Answers

0.67x0.3
First do 67x3
7x3=21
60x3=180
201 move the decimal three spots to the left. Answer=0.201

The value of the expression 0.67 x 0.3 will be 0.201.

What is Algebra?

The analysis of mathematical representations is algebra, and the handling of those symbols is logic.

PEMDAS rule means for the Parenthesis, Exponent, Multiplication, Division, Addition, and Subtraction. This rule is used to solve the equation in a proper and correct manner.

The numbers are given below.

0.67 and 0.3

The product of the numbers 0.67 and 0.3 will be given by putting a cross sign between them. Then we have

⇒ 0.67 x 0.3

⇒ 0.201

The value of the expression 0.67 x 0.3 will be 0.201.

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Maggie has a ribbon 27 feet long.What is the length of the ribbon in yards?

Answers

The ribbon would be 9 yards long
The answer is 9 yards lonf

What happened to the owl who swallowed a watch

Answers

he "owled" from the pain xD
she turned clockwise 

:) hope it elps

Solve for m: 18d + 2m + 9k < 5k + 10.

Your answer:


m > 7k- 9d + 5

m < 7k 9d + 5

m > 2k + 9d+ 5

m < - 2k - 9d + 5

Answers

Answer:

  (d)  m < -2k -9d +5

Step-by-step explanation:

You want to solve for m in the inequality 18d + 2m + 9k < 5k + 10.

Solve for

We notice m is in a linear term on one side of the inequality. We can identify the other terms there, and subtract them from both sides. This gives ...

  [tex]18d + 2m + 9k < 5k + 10\qquad\text{given}\\\\18d + 2m + 9k -(18d +9k) < 5k + 10 -(18d +9k)\qquad\text{subtract terms without m}\\\\2m < -4k-18d+10\qquad\text{simplify}\\\\\dfrac{2m}{2} < \dfrac{-4k-18d+10}{2}\qquad\text{divide by 2}\\\\\boxed{m < -2k-9d+5}\qquad\text{matches choice D}[/tex]

A neighbor pays you and two friends $90 to paint her garage. You divide the money three ways in the ratio 2:3:5.

Answers

3x + 5x +7x = 90
15x = 90
x=6

Now, substitute that back into the original equation I showed you to find the three parts.

3(6) + 5(6) + 7(6) = 90
18 + 30 + 42 = 90
Your 3 parts are 18, 30, and 42. Hope this helped! :D 

Answer:

First  friend gets $18, second  friend gets  $27, third  friend gets  $45

Step-by-step explanation:

The ratio means that each person get different quantity.

The total amount must be divided between the 3 persons in the following way

First  person gets 2 parts

Second  person gets 3 parts

Third  person gets 5 parts

If we add all parts,  we get 10 parts,if we divide the total payment we get how much is each part,  in this case $90 / 10 , so $9

Each part is $9. To get how much will get each friend , we multiple the quantity of parts by the value of them.

First  person gets 2 parts, that means $18

Second  person gets 3 parts that means $27

Third  person gets 5 parts that means $45

cat weigh 12.37 pounds whats is the word formfor the value of the 7 in 12.37

Answers

the hundreths i think
Final answer:

The value of '7' in the number '12.37' is seven-hundredths (0.07).

Explanation:

The student is asking for the word form for the value of 7 in the decimal number 12.37. In any decimal number, the first digit after the decimal point represents the 'tenths' place, and the second digit represents the 'hundredths' place. Thus, the '7' in 12.37 represents seven-hundredths. In another words, the digit 7 here carries the value of 0.07.

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A home repair service company earned $990 performing annual inspections. They charged $55 for each inspection. How many inspections did they perform? 18 19 20 22

Answers

they performed 18 home inspections

Answer:

I'm 100% sure that the answer is A. 18 (The first option)

A rabbit can run 35 miles per hour.a fox can run 21 miles in half an hour. Witch animal is faster, and by how much?

Answers

the fox runs rhe fastest because the rabbit runs 35 miles per hour and thats a lot but rhw fox runs 21 in half a hour that's short so its the fox
You can write it as:
Rabbit = 35mi in 1 hour
Fox = 21mi in 0.5 hours

To change the 0.5 hours into 1 hour, we need to multiply it by 2 so...
21*2 = 42

Then we can calculate the difference and write the answer:
42-35 = 7

The Fox runs faster than the rabbit by 7 miles an hour.

Hope this helps! :)

A camera cost 115 Canadian dollars. If each Canadian dollar is worth 0.952 U.S dollars, how much will the camera cost in U.S dollars?

Answers

first you want to convert the money from Canadian to US dollar. 115*0.952 will give it to us. The answer is 109.48
I hope this helped you!!1

Answer: 109.48 U.S dollars.

Step-by-step explanation:

Given : A camera cost 115 Canadian dollars.

Also, The value of each Canadian dollar = 0.952 U.S dollars.

Then, 115 Canadian dollars=[tex]115\times0.952=109.48\text{ U.S dollars}[/tex]

Therefore, the cost of camera in  U.S dollars = 109.48

Hence, the camera costs 109.48 U.S dollars.

Leroy works part time for a moving company. One day he had to move 34 boxes from a truck to inside a house. After moving some boxes, he took a break and told his boss that he has only 15 more boxes to move. Which equation can be solved to find how many boxes Leroy moved before his break?

Answers

Answer:

15 - x = 34

Step-by-step explanation:

how can you determine that a coin is not pure silver if you known the mass and volume of the coin?

Answers

Divide the mass by the volume to calculate its density. If its density isn't the same as an equal amount of pure silver, the coin has some other metal in it. 

The density test can be fooled if the coin was adulterated with other metals that average out to the same density as silver, however.

Answer: By measuring its density which should come out to be [tex]10.5cm^3[/tex] at [tex]20^0C[/tex]

Step-by-step explanation:

Density is defined as the mass contained per unit volume.

[tex]Density=\frac{mass}{Volume}[/tex]

Density of a substance is an intensive property and it does not depend on the amount of matter contained in the substance. It is specific of a compound and thus can be used to know the purity of substances.

Density of silver is [tex]10.5g/cm^3[/tex] at [tex]20^0C[/tex].

Thus if density comes out to be different from the standard value , it means the silver is impure.

What is 90 x 4 Divided bye 38

Answers

90 * 4 divided by 38

(90 * 4) / 38

360 / 38

Or,

180/19
Fraction: 360 / 38
Divide by 2 : (180/19)
ans: 180/19

The math team sold 42 hamburger meals and 15 ribs meals at the pep rally for a total of $243. At the game that night, they sold 36 hamburger meals and 30 ribs meals for a total of $294. What is the cost of 1 rib meal?

Answers

1 rib meal costs $5.00           hope this helped     :)))))))))))))))))))))))))))))))))))))))

Answer:

$5.

Step-by-step explanation:

Let h be the cost of each hamburger meal and r be the cost of each rib meal.

We have been given that the math team math team sold 42 hamburger meals and 15 ribs meals at the pep rally for a total of $243. We can represent this information in an equation as:

[tex]42h+15r=243...(1)[/tex]

We are also told that math team also sold 36 hamburger meals and 30 ribs meals for a total of $294. We can represent this information in an equation as:

[tex]36h+30r=294...(2)[/tex]

We will use substitution method to solve our system of equations. From equation (1) we will get,

[tex]h=\frac{243-15r}{42}[/tex]

Substituting this value in equation (2) we will get,

[tex]36(\frac{243-15r}{42})+30r=294[/tex]

[tex]6(\frac{243-15r}{7})+30r=294[/tex]

[tex]\frac{1458-90r}{7}+30r=294[/tex]

Now let us have a common denominator.

[tex]\frac{1458-90r}{7}+\frac{7*30r}{7}=294[/tex]

[tex]\frac{1458-90r}{7}+\frac{210r}{7}=294[/tex]

[tex]\frac{1458-90r+210r}{7}=294[/tex]

[tex]\frac{1458+120r}{7}=294[/tex]

[tex]\frac{1458+120r}{7}\times 7=294\times 7[/tex]

[tex]1458+120r=2058[/tex]

[tex]1458-1458+120r=2058-1458[/tex]

[tex]120r=600[/tex]

[tex]\frac{120r}{120}=\frac{600}{120}[/tex]

[tex]r=5[/tex]

Therefore, the cost of 1 rib meal is $5.

Is the answer to number 23????,

Answers

1 hour = 60 minutes

divide 60 by 3/4

60/1 / 3/4 = 60/1 * 4/3 = 340/3 = 80 times

Write the solution to the inequality in set builder notation.

9t - 4 > 32

Answers

9t - 4 > 32
9t > 36
t > 4

{t | x > 4}

Set builder notation is elements of solution set of inequality is greater than 4.

The given inequality is 9t - 4 > 32.

What is set builder notation?

A set-builder notation describes the elements of a set instead of listing the elements. For example, the set {5, 6, 7, 8, 9} lists the elements. We read the set {x is a counting number between 4 and 10} as the set of all x such that x is a number greater than 4 and less than 10.

The solution to the inequality 9t - 4 > 32 can be solved as follows:

Add 4 on both the sides of the inequality.

That is, 9t - 4 + 4 > 32 + 4

⇒ 9t > 36

Divide 9 on both the sides of the inequality.

That is, 9t ÷ 9 > 36 ÷ 9

⇒ t > 4

Set builder notation is elements of solution set is greater than 4.

Therefore, set builder notation is elements of solution set of inequality is greater than 4.

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Eleven minus the quotient of a number and 8 is 15

Answers

x/8-11=15

Quotient means to divide. So, the question is asking you to divide a number and 8. Then, subtract it from 8 to get the answer 15.

11-n/8=15

since the quotient is before the number it should be n divided by 8 = 15

at a park, there are 38 people playing tennis some or playing doubles and some are playing singles there are 13 matches in progress, A doubles match requires 4 players and a singles match requires 2 players.

a. write a system of two equations that represents the number of singles and doubles matches going on.

b. how many matches of each kind are in progress

Answers

x = number of singles matches
y = number of doubles mnathes

so we have the equation x + y = 13.......(1)

also 

2x + 4y  = 38 ...........(2)

(1) and (2) are the required equations

b)  Find how many maches are in progress by solivng the above equations:-

x + y  =  13   multiply this by -2:-
-2x - 2y = -26
2x + 4y = 38   Adding to removes the  terms in x:-

2y = 12

y = 6  

so x = 13-6 = 7

So the answer is  6 double matches and 7 singles are in progress.

If m angle 1 = 42 and m angle 2 = 27, then m angle APC =

Answers

I think that it's 111

which equation has an a-value of 1, a b value of -3 and a c- value of -5?

Answers

The equation that has an a-value of 1, a b-value of -3, and a c-value of -5 is x^2 - 3x - 5 = 0.

The student is asking for the equation of a quadratic in the form ax^2 + bx + c = 0, where the coefficients match the given values: a = 1, b = -3, and c = -5. Therefore, the equation that fits these criteria is x^2 - 3x - 5 = 0. This is a typical problem where a student is expected to understand the standard form of a quadratic equation and identify or construct the equation based on given coefficients.

Point E(0,-2) is a vertex of a square DEFG. After a 90degrees clockwise rotation of the square about the orgin, which of the following is the location of E?

1.(-2,0)
2.(2,0)
3.(2,2)
4.(0,2)

Answers

When rotating 90 degrees clockwise, you (x,y) becomes (-y,x) if i'm not mistaken. Your answer then becomes (2,0). Please mark brainiest and hope this helps :D

Point E(0,-2) is a vertex of a square DEFG, After a 90degrees clockwise rotation of the square about the origin has point E(2, 0).

What are transformations?

Two-dimensional figures can be transformed mathematically in order to travel about a plane or coordinate system.

Dilation: The preimage is scaled up or down to create the image.

Reflection: The picture is a preimage that has been reversed.

Rotation: Around a given point, the preimage is rotated to create the final image.

Translation: The image is translated and moved a fixed amount from the preimage.

Given, Point E(0,-2) is a vertex of a square DEFG, After a 90degrees clockwise rotation of the square about the origin,

∴ Rotating 90 degrees clockwise, you (x, y) becomes (-y, x).

So, point E will have a location of (-(-2), 0) which is (2,0).

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a car and a bus set out at 4pm. from the same point, headed in the same direction. the average speed of the car is 25 mph slower than twice the speed of the bus. In two hours, the car is 32 miles ahead of the bus. Find the rate of the car.

Answers

c= 2b-25  32=2b-25   32+25=2b  57/2=b b=28.5


What is the clockwise and counterclockwise rule for 180 degrees of rotation?

Answers

Either way you go 180 degrees clockwise or counter clockwise it will land in the same spot

The right-hand rule is used to determine the direction of angular velocity and angular momentum when an object rotates 180 degrees. If the rotation is counterclockwise, the thumb points up, and if clockwise, it points down.

The Counterclockwise and Clockwise Rules for 180 degrees of rotation are principles used to determine the direction of angular velocity and angular momentum in a rotating system.

When an object rotates counterclockwise as viewed from above, the right-hand rule can be used to find the direction of its angular quantities.

To do this, point your thumb upward while the fingers of your right hand curl in the direction of rotation; your thumb will then point in the direction of the angular velocity vector and angular momentum.

Conversely, if the rotation is clockwise, the thumb would point downward, indicating the opposite direction for angular velocity and angular momentum.

An understanding of these rules is crucial in physics, especially when studying rotational motion and the effects of torque.

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Give an example of how prime factorization could be used in the real world.

Answers

Primes are used in several routines in information technology, such as public-key cryptography, which makes use of properties such as the difficulty of factoring largenumbers into their prime factors.

Answer:

Prime Factorization can be used when we eat a cake. You have to figure out how many slices you need for each person. Also how many slices they eat, you will have to use math to come up with some daily life tasks.

Step-by-step explanation:

Multiply.

(3.5×10−5)(3×10−10)

Express your answer in scientific notation.

A. 1.05×10−15

B.​ 1.05×10−14 ​

​C. 1.05×10−13 ​

D.​​ 1.05×1015 ​

Answers

I think it will be B.

Answer:

option B

Step-by-step explanation:

Multiply.

[tex](3.5 \cdot 10^{-5})(3 \cdot 10^{-10})[/tex]

To multiply it we apply exponential property

First we multiply the number 3.5  and 3

3.5 times 3 is 10.5

Now we apply exponential property to multiply the exponents

[tex]a^m \cdot a^n = a^{m+n}[/tex]

[tex]10^{-5} \cdot 10^{-10}= a^{-5-10}=10^{-15}[/tex]

[tex](3.5 \cdot 10^{-5})(3 \cdot 10^{-10})[/tex]

[tex]10.5 \cdot 10^{-15}[/tex]

To get the expression in scientific notation we move the decimal point 1 units to the left

[tex]1.05 \cdot 10^{-14}[/tex]

What is the slope of the line passing through the points (−1, 3) and (4, −7) ?

A. −2

B. 3/4

C. − 4/3

D. 2

Answers

The slope of line passing through the points [tex]\left( { - 1,3} \right)[/tex] and [tex]\left( {4, - 7} \right)[/tex] is [tex]\boxed{ - 2}[/tex]. Option A is correct.

Further explanation:

The linear equation with slope m and intercept c is given as follows.

[tex]\boxed{y = mx + c}[/tex]

The formula for slope of line with points [tex]\left( {{x_1},{y_1}} \right)[/tex] and [tex]\left( {{x_2},{y_2}} \right)[/tex] can be expressed as,

[tex]\boxed{m = \frac{{{y_2} - {y_1}}}{{{x_2} - {x_1}}}}[/tex]

Given:

The passes through point is [tex]\left( { - 2, 2} \right).[/tex]

Explanation:

The passes through points are [tex]\left( { - 1, 3} \right)[/tex] and [tex]\left( {4, - 7} \right).[/tex]

The slope of the line can be obtained as follows,

[tex]\begin{aligned}m &= \frac{{ - 7 - 3}}{{4 - \left( { - 1} \right)}}\\&= \frac{{ - 10}}{{4 + 1}}\\&= \frac{{ - 10}}{5}\\&=- 2\\\end{aligned}[/tex]

The slope of line passing through the points [tex]\left( { - 1,3} \right)[/tex] and [tex]\left( {4, - 7} \right)[/tex] is [tex]\boxed{ - 2}.[/tex] Option A is correct.

Option B is not correct.

Option C is not correct.

Option D is not correct.

Learn more:

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Answer details:

Grade: High School

Subject: Mathematics

Chapter: Linear equation

Keywords: numbers, slope, passes (-1,3), (4,-7), slope intercept, inequality, equation, linear inequality, y-intercept, graph, representation, origin, parallel.

The slope of the line passing through the given points (-1, 4) and (3, -7) is: A. −2

Given the following points:

Points on the x-axis = (-1, 4) Points on the y-axis = (3, -7)

To find the slope of the line passing through the given points (-1, 4) and (3, -7):

The slope of a line refers to the gradient of a line and it is typically used to describe both the direction and steepness of an equation of a straight line.

Mathematically, the slope of a line is given by the following formula;

[tex]Slope. \;m = \frac{Change \; in \; y \;axis}{Change \; in \; x \;axis} \\\\Slope. \;m = \frac{y_2 - y_1}{x_2 - x_1}[/tex]

Substituting the given points into the formula, we have;

[tex]Slope. \;m = \frac{-7 \;- \;3}{4\; - \;[-1]}\\\\Slope. \;m = \frac{-10}{5}[/tex]

Slope, m = -2.

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In which case would it be most appropriate to use mm as a unit of measurement? A. length of a paper clip B. width of a football field C. distance from New York City to Los Angeles D. height of a building

Answers

B. Width of a football field
B is the answer to your question

I need help with this one problem pls help I’m estimating quotients

Answers

You would round it to 369 ÷ 6 = 61.5
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