NEED HELP ASAP!!!!!!!!!!!!!!!!Find the sum and then classify it.

3/4 + √64

A) 2.9580398..., irrational
B) 8.0467384..., irrational
C) 8.75, rational
D) 64.75, rational

Answers

Answer 1

Answer:

C

Step-by-step explanation:

Adding the given sum

[tex]\frac{3}{4}[/tex] + [tex]\sqrt{64}[/tex]

= 0.75 + 8 = 8.75

A rational number can be expressed in the form

[tex]\frac{a}{b}[/tex] where a and b are integers

8.75 = [tex]\frac{875}{100}[/tex] ← a rational number

Answer 2

Answer: OPTION C

Step-by-step explanation:

Descompose 64 into its prime numbers:

[tex]64=2*2*2*2*2*2=2^6[/tex]

Rewrite the expression as following, and simplify:

[tex]=\frac{3}{4}+\sqrt{2^6}\\\\=\frac{3}{4}+2^3\\\\=\frac{3}{4}+8\\\\\frac{3}{4}+\frac{8}{1}[/tex]

Find the least common denominator:

 [tex]4=2*2*1=2^2*1\\1=1\\LCD=2^2*1=4[/tex]

Now you can make the addition:

[tex]\frac{(3*1)+(8*4)}{4}=\frac{3+32}{4}=\frac{35}{4}=8.75[/tex]

As 8.75 can be written as a fraction, then it is rational.


Related Questions

What is the coordinate rule for a dilation centered at (0,0) with a scale factor of 3?

15 POINTS

No picture given.

Answers

Answer: (0,0)

Step-by-step explanation:

To find the scale factor of coordinates, you have to multiply the x and y by the scale factor, which is 3.

0 × 3 = 3

0 × 3 = 3

Answer is (0,0)

The rule would be : (x, y) --> (3x, 3y).

Final answer:

The coordinate rule for a dilation centered at (0,0) with a scale factor of 3 is (x', y') = (3x, 3y).

Explanation:

A dilation is a transformation that changes the size of a figure without altering its shape. The coordinate rule for a dilation centered at (0,0) with a scale factor of 3 is given by the equation:

(x', y') = (3x, 3y)

This means that each coordinate of the original figure is multiplied by the scale factor to find the corresponding coordinate of the dilated figure.

Which of the following are possible amounts for the third check and the cash that Cindy deposited? a. no cash and a $303.68 check b. $140.50 in cash and a $267.14 check c. $99.32 in cash and a $155.55 check d. $122.04 in cash and a $205.64 check

Answers

Answer:

D. $122.04 in cash and a $206.64 check

Step-by-step explanation:

D is the correct answer :0

Using the coordinates of two points (84,80) and (74,65) determine the slope of the line of best fit

Answers

Answer:

2/3

Step-by-step explanation:

Given in the question two points

(84,80) and (74,65)

Here

x1 = 84

x2 = 74

y1 = 80

y2 = 65

Slope of line means gradient of line and formula to calculate gradient of line is

gradient = [tex]\frac{x2-x1}{y2-y1}[/tex]

plug values in the formula

[tex]\frac{74-84}{65-80}[/tex]

[tex]\frac{-10}{-15}[/tex]

cancel - sign

[tex]\frac{10}{15}[/tex]

2/3 is the gradient of line having coordinates (84,80) and (74,65)

Point A(-7, -2) is rotated 270° counterclockwise and then shifted down 3 units. What are to coordinates of K’?

A. (2,4)

B. (-2, -7)

C. (-2, 4)

D. (7, -5)

Answers

Answer:

C. (-2, 4)

Step-by-step explanation:

First we are going to rotate the point 270°; then we are going to shift it down 3 units.

Remember that the rule to rotate a point 270° counterclockwise about the origin is:

[tex]R_{270}(y,-x)[/tex]

In other words, we just need to switch the coordinates and change the sign of the second coordinate. Let's apply the rule to our point:

[tex]A = (-7, -2)[/tex]

[tex]A'=(y,-x)=(-2,--7)=(-2,7)[/tex]

Now we know that the coordinates of our point after the rotation are A' = (-2, 7)

The only thing left is shift that point 3 units down; to do it, we just need to subtract 3 from the y-coordinate:

[tex](x,y)-->(x,y-3)[/tex]

[tex]A'=(-2,7)[/tex]

[tex]K'=(-2,7-3)[/tex]

[tex]K'=(-2,4)[/tex]

We can conclude that after a rotation of 270° and a translation 3 units down, the coordinates of point K' are (-2, 4).

Which point represents the center of the circle below ?

Answers

The center point is point O

3x+2=4x-3?
Please help me

Answers

Answer:

The answer is 5

Step-by-step explanation:

Answer:

x=5

Step-by-step explanation:

3x+2=4x-3

minus 3x from both sides

2=x-3

add 3 to both sides

x=5

lliana cubed the number of flowering plants in her garden, then added 2 vegetable plants. Let p represent the original number
of plants in her garden. Which shows an expression to represent the total number of plants in her garden and the total number
of plants if p= 3?

Answers

Answer:

29

Step-by-step explanation:

if p=3, then as the question asks, we must cube it and add 2.

3 cubed is 27, plus 2 is 29.

T=29

where t is the total number of plants.

or t=(p^3)+2

Answer:

D

Step-by-step explanation:

URGENT EASY 59 POINTS What is the distance between the points (5, 14) and (18, 3)?

Answers

Answer:

[tex]\large\boxed{\sqrt{290}}[/tex]

Step-by-step explanation:

The formula of a distance between two points:

[tex]d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}[/tex]

We have the points (5, 14) and (18, 3). Substitute:

[tex]d=\sqrt{(18-5)^2+(3-14)^2}=\sqrt{13^2+(-11)^2}=\sqrt{169+121}=\sqrt{290}[/tex]

Answer:

17.03

Step-by-step explanation:

Hope this helped!

In the coronet plane, what is the length of the line segment that connects points at (5, 4) and (-3, -1)? Enter your answer in the box. Round to the nearest hundredth. ___units

Answers

Answer:

9.43

Step-by-step explanation:

The formula of a distance between two points:

[tex]d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}[/tex]

We have the points (5, 4) and (-3, -1). Substitute:

[tex]d=\sqrt{(-3-5)^2+(-1-4)^2}=\sqrt{(-8)^2+(-5)^2}=\sqrt{64+25}=\sqrt{89}\approx9.43[/tex]

What is 7.07106781187 rounded to the nearest hundredth?

Answers

7.07 is the right answer to 7.07106781187 rounded to the nearest hundredth

Yeah 7.07. I would agree.

Sales of different ice cream flavors at a small ice cream shop were recorded for one week. The graph shown here displays the sales of each different flavor.Vanilla-6 Chocolate-14 Strawberry-10 Butter Pecan-6 Cookie Dough-4 Moose Tracks-8
What is the mean of the data?
A)6
B)7
C)8
D)9

Answers

Mean = Sum of all data divided by number of data

= (6 + 14 + 10 + 6 + 4 + 8) / 6 = 8. (C)

The required mean value fo the given data is 8. Option C is correct.

Given that,
Vanilla-6 Chocolate-14 Strawberry-10 Butter Pecan-6 Cookie Dough-4 Moose Tracks-8,
mean value of the given data is to be determined.

What is mean?

The mean of the values is the ratio of the total sum of values to the number of values.

What is Statistic?

Statistic is the study of mathematics that deal with relations between comprehensive data.

Here,
Number of values = 6
Mean  = sum of the values/number of values
mean = [6 + 14 + 10 + 6 + 4 + 8]/6
Mean = 48 / 6
Mean = 8

Thus, the required mean value fo the given data is 8. Option C is correct.

Learn more about mean here:

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simplify:
2/3 - 5/6 • 8
A) -4
B) -6
C) -
22
3
D) -
4
3

Answers

Step-by-step explanation:

2/3 - 5/6 * 8

You have to multiply first, then subtract:

-5/6 * 8 = -20/3

Put it back into an equation:

2/3 - 20/3

Simplify:

-18/3

= -6

Answer:

B) -6

Step-by-step explanation:

2/3 - 5/6 • 8

According to PEMDAS, we need to multiply before we subtract

5/6 *8 = 40/6

We can divide the top and bottom by 2

40/6 = 20/3

Replace 5/6*8 with 20/3 in the original equation

2/3 -20/3

-18/3

Divide the top and bottom by 3

-6/1

-6

HELP! PLZ I NEED THIS ASAP

Answers

Answer:

[tex]2x^{4}+x^{3}-x+2[/tex]

Step-by-step explanation:

To find which one is prime, let's try to factor them all. We can use the factoring by grouping method.

[tex]x^{3}+3x^{2}-2x-6[/tex]

[tex]x^{3}+3x^{2}[/tex]and[tex]-2x-6[/tex]

[tex]x^{2}(x+3)[/tex]and[tex]-2(x+3)[/tex]

So this one is not prime, since you can still factor it.

[tex]x^{3}+2x^{2}-3x-6[/tex]

[tex]x^{3}+2x^{2}[/tex]and[tex]-3x-6[/tex]

[tex]x^{2}(x-2)[/tex]and[tex]3(x-2)[/tex]

So this one is not prime, since you can still factor it.

[tex]4x^{4}+4x^{2}-2x-2[/tex]

[tex]4x^{4}+4x^{2}[/tex]and[tex]-2x-2[/tex]

[tex]4x^{3}(x+1)[/tex]and[tex]-2(x+1)[/tex]

So this one is not prime, since you can still factor it.

[tex]2x^{4}+x^{3}-x+2[/tex]

[tex]2x^{4}+x^{3}[/tex]and[tex]-x+2[/tex]

[tex]x^{3}(2x+1)[/tex]and -x+2 cannot be further factored.

Therefore, [tex]2x^{4}+x^{3}-x+2[/tex] is a prime.

ok these are the last ones

Answers

There are 12 months in a year

4 months that have 30 days so ratio of the months with 30 days to the  months with other than 30 days = 4: 12 = 1:3

Answer:

1 to 3

--------------

24 sedans and 18 sports

Ratio of sedans to sport = 24 : 18 = 4:3

Answer:

4 to 3

---------------

30 inches to 2 feet  

2 feet = 24 inches

so 30 inches to 24 inches = 30:24

simplify

= 5 : 4

Answer:

5 to 4

-------------------

36 inches to 4 feet = 36 inches to 48 inches = 36:48

simplify

= 3 : 4  

Answer:

3 to 4

Answer:

1. 1 to 2 , 2. 3:2 , 3. 15:1 , 4. 6:2

Step-by-step explanation:

Brainliest! To best answer! Better answer fast or no brainliest!
Which of the following is a statistical question?
A.
How many questions are there on Ben's math test?
B.
What are the shoe sizes of players on the soccer team?
C.
How many chocolates did Bertha sell today?
D.
How many students are there in Kathy's class?

Answers

Answer:

B

Step-by-step explanation:

A statistical question has to be a question that can be answered by collecting data that varies.

Answer:

B.   What are the shoe sizes of players on the soccer team?

Step-by-step explanation:

A statistical question is one that can be answered by collecting data and where that data will vary.

We do not need to collect data to determine the number of questions on Ben's math test.

There is no variability in the number of chocolates Bertha sells in one day, nor in the number of students in Kathy's class.

To determine the shoe sizes of players on the soccer team, we must collect the data and the data will vary from player to player.  This is the statistical question.

Tell if the slope is positive, negative , zero , or no slope

Answers

No slope. The slope of a vertical line is undefined. Also, the slope is positive if the line goes up from left to right, negative if it goes down from left to right, and zero if it is horizontal.

Please consider marking this answer as Brainliest to help me advance.

Answer:

No slope

Step-by-step explanation:

The slope of a line or segment in the Cartesian plane is zero if from left to right the value on the y-axis increases, and negative if from left to right the value on the y-axis decreases. So in this case the line is neither positive nor negative.

A slope is zero if the line is horizontal, and because the line in the figure is vertical, its slope is not zero.

For vertical lines in the plane it is said that they have no slope or that it is undefined.

Please help study island answers plz
if a and b are real numbers and if a>b and b =7 then >_ 8. Which Of the following is a counterexample to the assertion above?
A) a=6.5
B) a = 7.5
C) a= -8.5
D) a=8.1

Answers

Answer:

B

Step-by-step explanation:

if a is greater then b and b=7 and A< 8  7.5 is the only one that fits the description

Option B) a = 7.5 is the correct

The question is asking which option is a counterexample to the assertion that if a and b are real numbers with a > b and b = 7, then a ">=_" 8. To find a counterexample, we need an instance where a is greater than b (which is 7), but a is not greater than or equal to 8.

A) a=6.5 cannot be the correct answer because it is not greater than b. B) a = 7.5 is indeed greater than b=7, but it is less than 8 which makes it the correct counterexample. Both C) a= -8.5 and D) a=8.1 are not counterexamples; the former is less than b, and the latter is greater than 8.

Therefore, option B) a = 7.5 is the correct counterexample because it satisfies the condition a > 7 but does not meet the incorrect assertion that a is also ">=_" 8.

What is the measure of angle 1

Answers

Answer:

86

Step-by-step explanation:

if u add the angle #'s on the INSIDE, itll give 94, since a triangle isnt obtuse, it would have to add up to 180, subtract 94 from 180 and u get the answer :)

hope this helps

Answer:

Angle 2 = 180 -29 -65 = 86

Angle 1 = 180 -86 = 94 degrees

Step-by-step explanation:

I WILL AWARD BRAINLIEST!!! PLEASE HELP!!! Find the areas of the trapezoids.

Answers

10 1/2
Hope This Helps!

Answer:

A = 10.5 units^2

Step-by-step explanation:

The area of a trapezoid is found by

A = 1/2(b1+b2) *h

b1 = 5

b2 = 2

h = 3

I found these by looking at the graph

A = 1/2(5+2) *3

A =1/2(7)3

A = 10.5 units^2

what is w + 5? I need help!

Answers

5w if it did not give a problem where you could figure out what w is.
It is 5w. 5 add the w.

what is the diameter of the following circle? (x-6)^2 + (y-7)^2 =25

Answers

Answer:

d = 10

Step-by-step explanation:

The standard form of an equation of a circle:

[tex](x-h)^2+(y-k)^2=r^2[/tex]

(h, k) - center

r - radius

We have the equation:

[tex](x-6)^2+(y-7)^2=25[/tex]

h = 6, k = 7, r = √25 = 5

The diameter d = 2r → d = 2(5) = 10

Please hurry!!! Chose the equation below that represents the line that passes through the point (7,-2) and has a slope of -3

Answers

Answer:

y + 2 = -3(x - 7)

Step-by-step explanation:

Write the equation using the point slope form [tex]y - y_1 = m(x-x_1)[/tex]. Substitute m = -3 and (7,-2).

[tex]y --2 = -3(x-7)\\y + 2 = -3(x-7)\\y +2 = -3x +21\\y = -3x +19[/tex]

Jessica owns a base salary of $150 every week with an additional 40% commission on everything she sells if Jessica is sold $1650 worth of items last week what was her total pay?

Answers

Answer:$2,310

You set up dash equals dash 1,650 over 100% and x over 140% you would then cross multiply and divide. You would multiply 1,650 and 140 which give you 231000 the divide that by 100 and that gives you $2,310

Which Line is longer?
A.——————————
B.—————

Answers

Answer:

Line A is longer because i can see

Step-by-step explanation:

Find the area and perimeter of the following figure

Answers

Answer:

143.79

Step-by-step explanation:

The area of the figure can be found by splitting it into two shapes - a semi circle and a trapezoid.

The area of a semi-circle is found using A = 1/2πr² where r = 4.5 since the diameter is 9. A = 1/2π(4.5)² = 31.79.

The area of the trapezoid is found using A = 1/2(a+b)h = 1/2(23 + 9)(7) = 112.

Together the area is 31.79 + 112 = 143.79.

What is the radius of the following circle x+y=100

Answers

Answer:

r = 10

Step-by-step explanation:

The equation of a circle in standard form:

[tex](x-h)^2+(y-k)^2=r^2[/tex]

(h, k) - center

r - radius

We have the equation:

[tex]x^2+y^2=100\\\\(x-0)^2+(y-0)^2=10^2[/tex]

Therefore we have

the center (0, 0)

radius r = 10

What is the area?, round it to the nearest hundred where necessary.

Answers

Answer:

300 and 600

Step-by-step explanation: multiply l x w

In the given figure the area of the complete figure can be calculated as

sum of the area of the parallelogram and the area of the trapezium which is 787.5 sq.cm.

What is the area of a parallelogram?

The area of a parallelogram is the product of the base and the height of the figure.

The area of a parallelogram = Base x Height

In the given figure the area of the complete figure can be calculated as

Area = area of the parallelogram + area of the trapezium

The upper figure is the shape of a parallelogram that has a height of 14cm and a base of 23cm.

The area of a parallelogram = Base x Height

                                                  [tex]14 \times 23\\\\322\:cm^{2}[/tex]

The lower figure is the shape of a trapezium that has a height of 19cm and a base of 34cm and 15 cm.

area of the trapezium

= [tex]\frac{1}{2} (a+b)h\\\\\frac{1}{2} (15+34)19\\\\465.5\:cm^2[/tex]

Therefore, Area = area of the parallelogram + area of the trapezium

Area = 322 + 465.5

        =787.5 sq.cm

Learn more about the area;

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Please help?? Thank you very much in advance

Answers

all i can say is the square root of 17 is 4.1 thats all i know

Answer:

C

Step-by-step explanation:

Use the distance formula.

We have the points (0,0) and (8,sqrt17)

This basically means sqrt(8^2+sqrt(17)^2)

Which amounts to

sqrt(64+17)

Which is

sqrt(81)

Which is 9.

dentify the percent, amount, and base in this problem. 75% of what number is 30?

Answers

Answer:

40

Step-by-step explanation:

This is essentially just (4/3), or [tex]\frac{3}{4}^{-1}[/tex]. (4/3)*30 = 40, so our answer must be 40. Just to check, taking 75 percent of 40, we indeed get 30!

For this case we must find a number of which 30 represents 75%. For this, we make a rule of three:

x ------------> 100%

30 ----------> 75%

Where the variable "x" determines the base number of which 30 is 75%

[tex]x = \frac {100 * 30} {75}\\\\[/tex]

[tex]x=40[/tex]

Thus, 30 represents 75% of 40.

Answer:

40

Janet is 6 years younger than Safiya.How old is each girl if the suk of their ages is 26

Answers

Answer:

20.  26-6=20

Step-by-step explanation:

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