EASY MATH!!! GIVING BRAINLIEST

Answer:

D

Step-by-step explanation:

(3x+2)(x-4)

3x^2-12x+2x-8

3x^2-10x-8=0

====================================================

Explanation:

You'll have to go through each answer choice one by one to check if those dimensions lead to to a volume of roughly 9.5 m^3

For choice A, we have a radius of 0.7/2 = 0.35 meters and a height of 6.2 meters. The volume of the cylinder is pi*r^2*h = 3.14*(0.35)^2*6.2 = 2.38483 which rounds to 2.4 cubic meters. We can rule out choice A because we want 9.5 as a result instead of 2.4

We follow the same steps for choices B through D. You should find that choice D is the answer because:

V = pi*r^2*h = 3.14*(1.4/2)^2*6.2 = 9.53932 which rounds to 9.5 m^3.

Note the 1.4/2 is dividing the diameter 1.4 in half to get the radius.

Answer:

x = A/7

Step-by-step explanation:

Given that the screen is rectangular, recall that the area A of a rectangle whose length is L and width is W is given as

A = L * W

Hence if the width is 7 inches and the length is x inches then the area which is A square inches is connected to both sides as

A = x * 7

Divide both sides by 7

x = A/7 inches

Answer: I assume you are trying to find the

number of miles driven.

He paid $18 of which $15.95 was

the flat fee.

 18.00

- 15.95

---------

$2.05 is the amount paid for mileage.

This is 205 cents for mileage

at 71 cents per mile.  Divide

205 by 71 to get the miles driven.

205/71 = 2.9 miles.

Step-by-step explanation:

Answer:

The y-intercept is 8.

Step-by-step explanation:

[tex]\frac{2+4}{10-4\\} \\\frac{6}{6} =1\\\\\\slope=1\\1(2)+y=10\\2-2+y=10-2\\y=8[/tex]

Answer:

9-2x=1

-2x=-8

x=4

hope this helps

have a good day :)

Step-by-step explanation:

Answer:

x=2

Step-by-step explanation:

-3x-x=1-9

-4x=-8

x=-8/-4

x=2

plz mark as brainliest

Answer:

Step-by-step explanation:

Use the table to find the required data:

The probability that a student selected at random is a graduate student is 31%.

The probability of an event happening is represented by a number. The ratio of favourable outcomes to all outcomes is how probability is defined.

The total number of students is 6101, out of which 1879 are graduate students. Therefore, the probability that a student selected at random is a graduate student is:

P(graduate student) = number of graduate students / total number of students

P = 1879 / 6101

P = 0.3078

Therefore, the probability that a student selected at random is a graduate student is 31%.

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Answer: Angle c is 80 degrees

Equation: 60+40+x = 180

Step-by-step explanation: First of all, know a triangle equals 180 degrees. You add the angles you already know together and then subtract that number from 180. Then you get angle c. :)

Step-by-step explanation:

1 Divide both sides by 33.

\frac{21}{3}=xv

3

21

=xv

2 Simplify \frac{21}{3}

3

21

to 77.

7=xv

7=xv

3 Divide both sides by vv.

\frac{7}{v}=x

v

7

=x

4 Switch sides.

x=\frac{7}{v}

x=

v

7

Done

Answer:

7) 35/22

8) 45/22

9) 7/5

10) 41/45

Answer:

The average speed is 9.8 meter per second in the first two seconds

Step-by-step explanation:

Complete Question

What is the average velocity of the rock in first 2 secs?

Solution

Distance travelled in first two seconds  

[tex]4.9 t^2 = 4.9*2*2 = 19.6[/tex] m

Average speed = [tex]S2-S1/2 = 19.6-0/2 = 9.8[/tex] meter per second  

Answer:

Step-by-step explanation:

[tex]6\cdot6+5\cdot(6\cdot7)+6\cdot4+2\cdot(\frac12\cdot6\cdot4)=36+210+24+24=294\,cm^2[/tex]

Answer:

Step-by-step explanation:

? = 1/2(230)

A  115°

Answer:

d. a f

Step-by-step explanation:

i hope this helps :)

Answer:

D. A F

Step-by-step explanation:

It is a line all the way across the center of the circle (the definition of a diameter of a circle)

Answer:

x = 5

Step-by-step explanation:

The area of the rectangle can be found by multiplying length x width:

Total Area = 55:

Length = x + 6

Width = x

Set the equation:

(x)(x + 6) = 55

First, distribute x to all terms within the parenthesis:

(x)(x + 6) = x² + 6x = 55

Next, set the equation equal to 0. Subtract 55 from both sides of the equation:

x² + 6x (-55) = 55 (-55)

x² + 6x - 55 = 0

Then, solve for x. Find factors of x² and -55 that, when combined, will result in 6x:

x² + 6x - 55 = 0

x              11

x            -5

(x + 11)(x - 5) = 0

Then, solve each individual parenthesis:

(x + 11) = 0

x + 11 (-11) = 0 (-11)

x = -11

(x - 5) = 0

x - 5 (+5) = 0 (+5)

x = 5

Note, however, that a side cannot have a negative measurement. Therefore, x = 5 is your only answer.

~

Answer:

Its gonna be a 50/50 on the coin and 20/100 chance for the spinner

Answer:

5 outcomes for the spinner and a 50/50 chance for the coin

Step-by-step explanation:

for the spinner, there are five numbers, 1,2,3,4, and 5. so, there is a 1/5 chance or you could also say there is a 20/100 chance.   For the coin, there are two sides and 100 divided by 2 is 50 therefore, there is a 50/50 chance

Hope this helps!!

Answer:

it's 37/40

I just took the quiz

Answer:

I need more to the question so I can answer it

Step-by-step explanation:

Answer: 24

Step-by-step explanation:

2/5 times 60 = 24

of means to multiply.

Answer:

See graph below

Step-by-step explanation:

The equation r=5cosθ basically means the graph is going to be a circle with a radius of 5/2=2.5 to the right on the horizontal axis since it's cosine.

To graph the function r=5cosθ, we graph the function f(x) = 4cos(x), such that functional values are used as the corresponding values of θ and a radius of 2.5

The function is given as:

r=5cosθ

The above means that, we want to graph the function f(x) = 4cos(x), such that functional values are used as the corresponding values of θ.

The radius r is calculated using;

r = 5/2

r = 2.5

Hence, the graph of r=5cosθ has a radius of 2.5

Read more about polar curves at:

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Truncation error for S4 is 0.037.

Truncation errors are defined as the errors formed when we use approximation instead of actual procedures.

Given is a series.

S4 means,

6/(3¹) + 6/(3²) + 6/(3³) + 6/(3⁴)

The actual sum of these values gives,

2 + 0.6666..7 + 0.2222.. + 0.074074...

= 2.962962..

≈ 2.963

Truncation error = 3 - 2.963 = 0.037

Hence the truncation error is 0.037.

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Answer:

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[tex] \frac{4}{3} \div 12 \\ = \frac{4}{3} \times \frac{1}{12} \\ = \frac{4}{3 \times 12} \\ = \frac{4}{36} \\ = \frac{1}{9 } \\ = 0.11[/tex]

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Answer:

1/9 is the answer

4/3 x 1/12 just multiply but the reciprocal

hope this helps

have a good day :)

Step-by-step explanation:

Chart relating to the question is attached below.

Answer:

349 students

Step-by-step explanation:

Based on the chart given, we can obtain the experimental probability or proportion for the travel plan of 75 students :

Proportion who would be traveling by car :

Number traveling By car / number of samples

p(car) = 23 / 75 = 0.30666

If total number of students = 1138

Using the proportion obtained from the sample, the number of students who would be traveling by car from the population would be :

= 0.30666 * 1138

= 348.98 students

= 349 students

Answer:6842

Step-by-step explanation:

13684/2

Answer:

Average rate of change

=

26.5

Explanation:

Use the slope formula to find average rate of change:

m

=

y

2

−

y

1

x

2

−

x

1

To use the slope formula, you need 2 points on the curve - we only have to x values, so we need to find f(8) and f(10).

f

(

8

)

=

92

f

(

10

)

=

145

These means are points are

(

x

1

,

y

1

)

=

(

8

,

92

)

and

(

x

2

,

y

2

)

=

(

10

,

145

)

.

m

=

145

−

92

10

−

8

m

=

53

2

m

=

26.5

Step-by-step explanation:

The average rate of change on the interval from 0 to 10 is 30

The function is given as:

f(x)=3x^2-8

The interval is given as:

0 to 10

Calculate f(0) and f(10)

f(0)=3 *(0)^2 -8

f(0) = -8

f(10)=3 *(10)^2 -8

f(10) = 292

The average rate of change is then calculated as:

Rate = (f(10) - f(0))/(10 - 0)

This gives

Rate = (292 +8 )/(10 - 0)

Evaluate

Rate = 30

Hence, the average rate of change on the interval from 0 to 10 is 30

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Answer:

10

Step-by-step explanation:

You can replace t in the equation with 1 like so 4(1)+6 using pemdas first you'd   multiply 4 by 1 which is 4 and then add 6 which is 10.

Answer:

I need the width in order to solve it. . .

Formula - To calculate the area of a triangle, multiply the height by the width (this is also known as the 'base') then divide by 2.

Was there a width?