Answer:
Assuming that you're calculating surface area it would be:
16+10+10+10+10 or B
Step-by-step explanation:
Solve for X in the following triangles.
X=
can someone help me?
[tex]x=180-(51+62)=180-113=\boxed{67}[/tex]
Answer:
x = 67
Step-by-step explanation:
The sum of the 3 angles in a triangle = 180°
Subtract the sum of the 2 given angles from 180 to obtain x, that is
x = 180° - (62 + 51)° = 180° - 113° = 67°
One half of the sum of the number of apples and 6 equals eight.how many apples are there?
Answer:
4
Step-by-step explanation:
Ok, so from what I understand 6+ half of the apples equals 8... so that means there is four apples.
4 divided by 2 = 1/2 which is 2 plus 6 equals 8
This is my first brainly answer!
I hope this is correct and helps! :)
What is log15 2^3 rewritten using the power property?
ANSWER
[tex]log_{15}( {2}^{3} ) = 3 \: log_{15}( {2} )[/tex]
EXPLANATION
According to the power property of logarithms:
[tex] log_{x}( {y}^{n} ) = n \: log_{x}( {y} )[/tex]
The given logarithm is
[tex]log_{15}( {2}^{3} ) [/tex]
When we apply the power property to this logarithm, we get,
[tex]log_{15}( {2}^{3} ) = 3 \: log_{15}( {2} )[/tex]
Answer:
The required expression is [tex]3\log_{15}2[/tex].
Step-by-step explanation:
According to the power property of exponent,
[tex]\log_ax^b=b\log_ax[/tex]
The given expression is
[tex]\log_{15}2^3[/tex]
Here a=15, x=2, b=3.
Using power property of exponent the given expression can be written as
[tex]\log_{15}2^3=3\log_{15}2[/tex]
Therefore the required expression is [tex]3\log_{15}2[/tex].
I PROMISE THIS IS EASY I WILL GIVE BRAINLEST!!!!!!!!11 Add or subtract.
(8x – 2y) + (3x – 4y)
A.)11x + 8y
B.)4x – y
C.)11x – 6y
D.)5x + 2y
Answer:
11x-6y
Step-by-step explanation:
we ignore the parenthesis so we add 8x and 3x since they are both positive which adds up to 11x
for -2y and -4y we add, a negative and a negative equals negative therefor -2y+(-4y)= -6y
11x-6y
For this case we must add the following expressions:
[tex](8x-2y) + (3x-4y) =[/tex]
We eliminate the parentheses, taking into account that:[tex]+ * + = +\\+ * - = -\\8x-2y + 3x-4y =[/tex]
We add similar terms:
[tex]8x + 3x-2y-4y =[/tex]
Equal signs are added and the same sign is placed:
[tex]11x-6y[/tex]
Answer:
[tex]11x-6y[/tex]
Option C
Which point on the number line represents the volume of a sphere with a radius of 3 units? Use 3.14 for π.
Volume of the sphere is defined as: [tex]V=\frac{4\pi r^3}{3}[/tex]
Put in the data.
[tex]V=\frac{4\cdot3.14\cdot3^3}{3}=\boxed{113.04}[/tex]
The point on the number line of real numbers is 113.04
Hope this helps.
r3t40
Answer:
Step-by-step explanation:
PLEASE HELP 15 POINTS
Formula for area is:
A = pi*r^2
r = 28
so...
A = 3.14 * 28^2
A = 3.14 * 784
A = 2461.76 cm^2
Formula for circumference is:
C = 2*pi*r
r = 28
so...
C = 2*3.14* 28
C = 6.28*28
C = 175.84 cm
Hope this helped!
~Just a girl in love with Shawn Mendes
What is the solution to y = –x – 5 y = 2x + 4
Answer:
your answer is {-2,-3}
What are the solutions to the equation x2 = 9? Explain why is more than one solution to the equation.
ANSWER
[tex]x = - 3 \: \: or \: \: x = 3[/tex]
The degree is two so it must have more than one solution.
EXPLANATION
The given equation is
[tex] {x}^{2} = 9[/tex]
Let us use the square root method to solve this equation.
Since the degree of x is two, the fundamental theorem of algebra says it must have 2 roots.
We take square root to obtain,
[tex]x = \pm \sqrt{9} [/tex]
[tex]x = \pm3[/tex]
Split the plus or minus sign to obtain,
[tex]x = - 3 \: \: or \: \: x = 3[/tex]
The solutions to the equation x² = 9 are x = 3 and x = -3. Because squares of both positive and negative numbers give the same result, quadratic equations usually have two solutions.
Explanation:The solutions to the equation x² = 9 are x = 3 and x = -3. This is because square roots can be both positive and negative. When you square a positive number and a negative number, the result is the same. Hence, the equation x² = 9 could come from squaring either 3 or -3, which implies that x can be either 3 or -3. Therefore, quadratic functions or second-order polynomials, like this equation, usually have two solutions.
Learn more about Quadratic Equations here:https://brainly.com/question/30098550
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4/10 divided by 5/8
Answer: 16/25
Solution with Steps4/10 divided by 5/8 = ?
Dividing two fractions is the same as multiplying the first fraction by the reciprocal or inverse of the second fraction.
Take the reciprocal of the second fraction by flipping the numerator and denominator and changing the operation to multiplication. Then the equation becomes -
4/10 x 8/5 = ?
For fraction multiplication, multiply the numerators and then multiply the denominators to get -
Numerators: 4 x 8 = 32
Denominators: 10 x 5 = 50
Fraction: 32/50
This fraction can be reduced by dividing both the numerator and denominator by the Greatest Common Factor of 32 and 50. The GCF (Greatest Common Factor) would be 2.
Numerator: 32 / 2 = 16
Denominator: 50 / 2 = 25
Fraction: 16/25
Another Solution4/10 divided by 5/8 = ?
Cross multiply -
Numerator x Denominator: 4 x 8 = 32
Denominator x Numerator: 10 x 5 = 50
Fraction: 32/50
Reduce by dividing both the numerator and denominator by the Greatest Common Factor, which is 2.
Numerator: 32 / 2 = 16
Denominator: 50 / 2 = 25
Fraction: 16/25
The number of Calories c that are burned by walking depends on t, the number of hours spent walking. If you burn 300 Cal/h, how many Calories do you burn in 2.5 hours of walking?
650 Calories
750 Calories
260 Calories
120 Calories
300/2.5= 120 Calories
Answer:
120 calories
Step-by-step explanation:
8. A candle is 4 inches tall and burns at the rate of 0.6 inch per hour. If the height of the candle after x hours is 1.5 inches,
write an equation to represent the situation. Then use this equation to find the expected number of hours in which the candle
melted to 1.5 inches.
Answer with Step-by-step explanation:
A candle is 4 inches tall and burns at the rate of 0.6 inch per hour.
i.e. after 1 hour height of candle=4-0.6 inches
After 2 hours height of candle=4-0.6-0.6 inches
after x hours height of candle=4-0.6x
Also,
If the height of the candle after x hours is 1.5 inches
⇒ 4-0.6x=1.5
⇒ 0.6x=4-1.5
⇒ 0.6x=2.5
⇒ x=2.5/0.6
⇒ x=4.166
Hence, equation to represent the situation. is:
4-0.6x=1.5
and the expected number of hours in which the candle melted to 1.5 inches is:
4.166 hours
After defining and solving the linear equation representing the candle's height over time, it is determined that it will take approximately 4.17 hours for the candle to burn down to 1.5 inches.
Explanation:This is a problem about rates and linear equations in the subject of mathematics. The candle starts at 4 inches and burns at a rate of 0.6 inch per hour, which decreases the height of the candle. So, the equation would be: height = starting height - (burn rate)x(time), or H = 4 - 0.6x.
From the problem we know, that the height of the candle after x hours is 1.5 inches. So, we substitute H with 1.5: 1.5 = 4 - 0.6x.
To solve for x, first we can subtract 4 from both sides: -2.5 = -0.6x. Then, divide both sides by -0.6 to isolate x. So, x = -2.5/-0.6 which simplifies to approximately 4.17 hours. So, it will take around 4.17 hours for the candle to burn down to 1.5 inches.
Learn more about Linear Equations here:https://brainly.com/question/32634451
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Make a list of at least five words to match the following category.
Words which suggest pleasant smells
Answer:
aroma.
bouquet.
fragrance.
perfume.
savor
Step-by-step explanation:
Answer:
ambrosial, aromatic odoriferous, balmy, blend of floral scents
Step-by-step explanation:
brainiest please
Find 0.1 more than 5.023.
A) 5.024
B) 5.033
C) 5.123
D) 5.134
C. the number goes up by one tenth. changing the 0 in the tenth place to a one.
Your answer would be
c. 5.123 since
5.023
+0.1
————
5.123
what is the ratio of rise to run between the points (-1, 7) and (4, -3)?
Answer:
[tex]m=-2[/tex]
Step-by-step explanation:
we know that
The ratio of rise to run is equal to the slope
The formula to calculate the slope between two points is equal to
[tex]m=\frac{y2-y1}{x2-x1}[/tex]
we have
[tex](-1,7)\ (4,-3)[/tex]
Substitute the values
[tex]m=\frac{-3-7}{4+1}[/tex]
[tex]m=\frac{-10}{5}=-2[/tex]
A four-person committee is chosen from a grous of eight boys and six girls.
If students are chosen at random, what is the probability that the committee consists of all boys?
The correct option is C.
Probability of selecting all boys from 8 boys and 6 girls for a 4-person committee is 10/143.
To find the probability that the committee consists of all boys, we need to calculate the probability of selecting 4 boys out of 8 boys and no girls out of 6 girls.
The total number of ways to choose a 4-person committee from 14 students (8 boys and 6 girls) is given by the combination formula:
[tex]\[ \text{Total number of ways} = \binom{14}{4} \][/tex]
The number of ways to choose 4 boys out of 8 is given by:
[tex]\[ \binom{8}{4} \][/tex]
And since we don't choose any gi-rls, the number of ways to choose 0 girls out of 6 is simply 1.
So, the probability of selecting all boys is:
[tex]\[ \text{Probability} = \frac{\binom{8}{4} \times \binom{6}{0}}{\binom{14}{4}} \][/tex]
Let's calculate this:
[tex]\[ \text{Probability} = \frac{\binom{8}{4} \times \binom{6}{0}}{\binom{14}{4}} = \frac{\frac{8!}{4!(8-4)!} \times \frac{6!}{0!(6-0)!}}{\frac{14!}{4!(14-4)!}} \][/tex]
[tex]\[ = \frac{\frac{8!}{4!4!} \times 1}{\frac{14!}{4!10!}} \][/tex]
[tex]\[ = \frac{\frac{8 \times 7 \times 6 \times 5}{4 \times 3 \times 2 \times 1}}{\frac{14 \times 13 \times 12 \times 11}{4 \times 3 \times 2 \times 1}} \][/tex]
[tex]\[ = \frac{70}{1001} \][/tex]
[tex]\[ = \frac{10}{143} \][/tex]
So, the correct answer is option C: [tex]\( \frac{10}{143} \)[/tex].
The complete question is here:
A four-person committee is chosen from a group of eight boys and six girls.. If students are chosen at random, what is the probability that the committee consists of all boys?
A. 4/1001
B. 15/1001
C. 10/143
D. 133/143
Find the area of the square when z=3/2 answer
Answer:
A = 9/4Step-by-step explanation:
The formula of an area of a square with side z:
A = z²
We have z = 3/2. Substitute:
A = (3/2)² = (3/2)(3/2) = 9/4
Please help me I’m terrible at math
Answer:
...
Step-by-step explanation:
can you show us the options of the drop-down menus?
Solve for a. 2/3a^2=30
Enter your answers, in radical form, in the boxes. I’ll give you Brainliest if you answer quickly
Answer:
[tex] a = \frac { \sqrt { 5 } } { 1 5 } ,\:a = -\frac {\sqrt{5}}{15}[/tex]
Step-by-step explanation:
We are given the following expression which are to solve for a and give the answer in radical form:
[tex]\frac{2}{3a^2} =30[/tex]
To solve this, we will multiply both the sides by [tex]3a^2[/tex] to get:
[tex]\frac{2}{3a^2}\cdot \:3a^2=30\cdot \:3a^2[/tex]
Simplify it to get:
[tex]2=90a^2[/tex]
[tex] a = \frac { \sqrt { 5 } } { 1 5 } ,\:a = -\frac {\sqrt{5}}{15}[/tex]
can this polynomial be simplified to a difference of squares 16a2 – 4a + 4a – 1
Answer:
This polynomial can be simplified to a difference of squares
[tex]16a^2 - 4a + 4a - 1=(4a-1)(4a+1)[/tex]
Step-by-step explanation:
Simplify the expression
[tex]16a^2 - 4a + 4a - 1\\\\16a^2- 1[/tex]
remember that 4 ^ 2 = 16
Therefore
[tex]16a^2- 1= 4^2a^2 -1[/tex]
Remember that
[tex](4a) ^ 2 = 4 ^ 2a ^ 2[/tex]
[tex]4^2a^2 -1=(4a)^2 -1[/tex]
As [tex]1 ^ 2 = 1[/tex] then
[tex](4a)^2 -1= (4a)^2 -1^2[/tex]
Remember that [tex]c ^ 2 -b ^ 2 = (c + b) (c-b)[/tex]
In this case [tex]c = 4a[/tex] and [tex]b = 1[/tex]
Finally
[tex](4a)^2 -1^2 = (4a-1)(4a+1)[/tex]
(5x–7)–5(7x–12)+7=0
Help please
Answer:
x=2
Step-by-step explanation:
(5x–7)–5(7x–12)+7=0
5x-7-35x+60+7=0
-30x=-60
x=2
Answer:
The answer I got was x=2
HELP PLEASE HELP ITS THE LAST QUESTION
Un depósito abierto tiene la forma de un cono circular recto Un depósito abierto tiene la forma de un cono circular recto. El depóstio mide 8 pies de diámetro a través de su parte superior y tiene 6 pies de altura. Si el depósito se encuentra vacío, y se bombea agua a través del fondo (vértice del cono)... ¿Cuánto trabajo se realiza para llenar el depósito hasta una altura de 2 pies?
i do not speak spanish
During a field trip, 9 buses take 120 students to a museum. Some buses are short and hold 8 students each. Other buses are long and hold 20 students each.
All the buses are carrying as many students as they can hold. Complete the table and write a system of equations to represent the number of each type of bus.
See attached picture for the answers.
Answer:
Step-by-step explanation:
F(x) is a function ?????????????????????????????????????
False because x should have only one y
What is the constant of variation, k, of the direct variation, y = kx, through (–3, 2)?
[tex]\bf \qquad \qquad \textit{direct proportional variation} \\\\ \textit{\underline{y} varies directly with \underline{x}}\qquad \qquad y=kx\impliedby \begin{array}{llll} k=constant\ of\\ \qquad variation \end{array} \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ (-3,2)~~ \begin{cases} x=-3\\ y=2 \end{cases}\implies 2=k(-3)\implies -\cfrac{2}{3}=k[/tex]
To find the constant of variation k in the direct variation y = kx for the point (–3, 2), we substitute the point into the equation.
We get k = 2 / (–3), resulting in k = –rac{2}{3}.
Explanation:The constant of variation, k, in the direct variation equation y = kx can be found using the coordinates of a given point that lies on the line represented by this equation.
Given a point (–3, 2), we can substitute these values into the equation to find k:
y = kx
2 = k(–3)
To isolate k, we divide both sides of the equation by (–3):
k = 2 / (–3)
k = –rac{2}{3}
Given: circle k(O), m
LM
= 164°
m
WK
= 68°, m∠MLK = 65°
Find: m∠LMW
Let P be a point outside the circle such that triangle LMP has legs coincident with chords MW and LK (i.e. M, W, and P are colinear, and L, K, and P are colinear). By the intersecting secants theorem,
[tex]m\angle LPM=\dfrac{m\widehat{LM}-m\widehat{WK}}2\impliesm\angle LPM=48^\circ[/tex]
The angles in any triangle add to 180 degrees in measure, and [tex]\angle MLK\congruent\angle MLP[/tex] and [tex]m\angle LMW=m\angle LMP[/tex], so that
[tex]m\angle MLK+m\angle LPM+m\angle LMP=180^\circ[/tex]
[tex]\implies\boxed{m\angle LMW=67^\circ}[/tex]
The table below shows the results of a random sample of 160 teenagers. Based on the information given which of the following statement are true? Select all that apply
Answer:
I would say that it is all of them besides the 35% of the participants do not like to surf.
The correct statements are:
66% of the participants were boys. 80/105 of the boys like to surf. 10/35 of the participants who do not like to surf were girls.Step-by-step explanation:A)
The total number of students who were studied= 160
Number of boys= 105
Hence, Percentage of boys is calculated as:
[tex]Percent\ Boys=\dfrac{105}{160}\times 100\\\\i.e.\\\\Percent\ Boys=\dfrac{1050}{16}\\\\\\Percent\ Boys=65.625\\\\which\ is\ approximately\ equal\ to:\\\\Percent\ Boys=66\%[/tex]
B)
Number of students who like to surf=125
Hence,
Percent who like to surf is calculated as:
[tex]=\dfrac{125}{160}\times 100\\\\\\=\dfrac{1250}{16}\\\\=78.125\%[/tex]
C)
Number of boys=105
and number of boys who like to surf=80
Hence, the proportion of boys who like to surf is:
80/105
D)
Number of people who do not like to surf=35
Number of girls who do not like to surf=10
Hence,the proportion of girls who do not like to surf is:
10/35
E)
Proportion of boys who like to surf=80/105=0.76190
and proportion of boys who like to surf= 45/55=0.8181
Hence, the proportion of girls who like to surf are more than those of boys who like to surf.
( Since, 0.8181 < 0.76190 )
what is the prime factorization of 140
A.2x2x5x7
B.4x5x7
C.2x3x5x7
D.5x5x7
Answer:
A
Step-by-step explanation:
This one is best done by doing a pre factor.
140 = 14 * 10 Now all you need do is factor those two numbers.
140 = 7*2 * 5 * 2
Rearranging this you get 2 * 2 * 5 *7
A
Final answer:
The prime factorization of 140 is found by dividing it by the prime numbers 2, 2, 5, and 7 in sequence, resulting in 2 x 2 x 5 x 7, which corresponds to option A.
Explanation:
The prime factorization of a number is the expression of the number as a product of its prime factors. To find the prime factorization of 140, we can use a factor tree or continuously divide by prime numbers. Beginning with the smallest prime number, 2, we divide 140 by 2 to get 70. Then, we divide 70 by 2 again to get 35. After that, we divide 35 by its smallest prime factor, which is 5, to get 7. Since 7 is already a prime number, we have completed the factorization. So, the prime factorization of 140 is:
2 x 2 x 5 x 7
Therefore, the correct answer is A.2 x 2 x 5 x 7.
1) Which set of sides will make a triangle?
13 cm, 7 cm, 6 cm
10 cm, 9cm, 9 cm
4 cm, 8 cm, 14 cm
6 cm, 15 cm, 6 cm
Answer:
13cm, 7cm, 6cm
Step-by-step explanation:
To make a triangle you have to think about it in this way. The two smallest numbers should equal the largest number.
Answer:
13 cm, 7 cm, 6 cm
Step-by-step explanation:
The sum of the 2 shorter sides of the triangle has to be equal or longer than the longest side. In this case 7+6=13 which is equal.
Given the following graph, define a) the vertex, b) the intercepts, c) the axis of symmetry, and the sign of the lead coefficient.
Answer:
Vertex;
(2, -8)
The intercepts;
x-intercepts: (-2, 0) and (6, 0)
y-intercepts: (0, -6)
The axis of symmetry;
No axis of symmetry. X = 2 is a line of symmetry of the parabola
The sign of the lead coefficient;
Positive
Step-by-step explanation:
The graph shown in the attachment belongs to the parabola group of conic sections. The vertex of a parabola refers to the point where the parabola changes direction or also the lowest or the highest point on its graph. The graph is moving downwards from x = -4 to x = 2 and then starts moving upwards from x = 2 to x = 8. The vertex is thus located at the point x = 2. At this point, the y value is -8. Thus the vertex is located at (2, -8). This is the lowest point on the graph.
The intercepts refers to the points where the graph of a function crosses or cuts either the x or the y axes.
The parabola crosses the x-axis at two points;
x = -2 and x = 6
At these points the value of y is usually 0. The x-intercepts are thus;
(-2, 0) and (6, 0)
The parabola crosses the y-axis at the point where y = -6 and the corresponding x value is 0. The y-intercept is thus;
(0, -6)
Neither the x-axis nor the y-axis is an axis of symmetry of the parabola since neither of the axis divides the parabola into two identical portions. Nevertheless, the vertical line x = 2 passing through the vertex divides the parabola into two identical portions such that the left portion is a mirror image of the right portion. We can thus conclude that the vertical line x = 2 is a line of symmetry of the parabola.
The sign of the lead coefficient of a parabola determine whether the parabola opens upward or downward;
If the sign of the lead coefficient is positive, the parabola opens upward. If the sign of the lead coefficient is negative, the parabola opens downward.
The parabola in the attachment opens upward and thus the sign of its lead coefficient is positive.