Help me please....................

Answer:

Volume = 42 units^2

x = 5 units

Total Surface Area = 96 units

Step-by-step explanation:

Volume

V = bh, where b = 1/2 * 3 * 4 and h = 7,

= 6 * 7 = 42 units^2

x

You can solve for this variable by using the pythagorean theorem;

a^2 + b^2 = c^2, where a = 3 and b = 4,

9 + 16 = x^2

= 25 = x^2

= x = 5 units

Total Surface Area

You can solve this by multiplying the perimeter of the base (3 + 4 + 5) by the height and adding that to two times the area of the base:

7 * (3 + 4 + 5) + 2(1/2*3*4)

= 7*12 + 12

= 96 units

Answer:

19

Step-by-step explanation:

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21

Answer:

Step-by-step explanation:

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⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡏⠀⠰⠛⠻⢿⣿⠿⠿⠟⡿⠿⢿⣿⠿⠿⣿⠃⠀⠟⠛⠿⣿⣿⣿⣿⣿⣿⣿  

⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⠀⠀⣴⡄⠀⠘⡇⠀⣤⣤⡇⠀⣼⣿⠀⢠⡏⠀⢠⣦⠀⠀⣽⣿⣿⣿⣿⣿⣿⣿  

⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡿⠀⠀⠛⠃⠀⡼⠀⠀⣿⣿⠀⠀⠛⠃⠀⢸⠁⠀⣼⡏⠀⢠⡟⠉⢻⣿⣿⣿⣿⣿  

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21,/ or,/ 19

Answer:

26.41 sq. ft

Step-by-step explanation:

The formula for the area of a circle is

[tex]\pi r^{2}[/tex]

with r being the radius, and knowing the radius of the circle being 2.9 ft, we can substitute 2.9 in for x.

Now we simplify and solve the equation

[tex]\pi 2.9^{2}[/tex]

[tex]\pi 8.41[/tex]

(pi ([tex]\pi[/tex]) = 3.14)

3.14 x 8.41 = 26.4074

Now round to the nearest 100th

26.41

The answer is 26.41 sq. ft

Answer: 2 is D

Step-by-step explanation:

Answer:

20%

Step-by-step explanation:

Answer:

6 m/s

15 seconds

Step-by-step explanation:

Speed = distance / time

54 / 9 = 6 m/s

Given the same speed, we can determine the time she would use to travel

time = distance / speed = 90 / 6 = 15 seconds

Answer:

angle A is 155

angle B is 90

angle C is 115

angle 90 is 65

Step-by-step explanation:

Answer:

angle A is 155angle B is 90 angle C is 115 angle 90 is 65

Answer:

44 in²  =  1,936

64 in² =  4,096

168 in² = 28,224

192 in²= 36,864

Step-by-step explanation:

Raise the number to the power of 2.

Ex : 192² raise by the the power of 2 is 36,864

Hope this helps you :)

Answer:

x = -4

Step-by-step explanation:

divide both sides by 3 to get x = -4

Answer:

good luck on the rest of your hmwork :D

Step-by-step explanation:

Answer:

Step-by-step explanation:

2(6x+5+2y)

Answer:

You basically multiply the number outside the parentheses by everything inside.

So 2 × 6x = 12x,

2 × 5 = 10,

2 × 2y = 4y.

So your answer is 2(6x + 5 + 2y).

Step-by-step explanation:

Answer:

x≥17

Step-by-step explanation:

arrow > is pointing to the right, line is going to right

with greater/less than or equal to signs (line under arrow ≥), the dot is filled in.

Answer:

Step-by-step explanation:

The equation is:

Answer:

Step-by-step explanation:

brain is 4 bradon is 8  billy 16 i do not know but that is my answer

Answer:

x = 2x = 2x+2

Step-by-step explanation:

Brian = x

Brandon = 2x

Billy = 2x+2

Given:

The function is

[tex]F(x)=\dfrac{1}{x+2}[/tex]

To find:

The vertical asymptote of the given function.

Solution:

Vertical asymptote are the vertical line passes thought the values for which the function is not defined.

To find the vertical asymptote, equate the denominator equal to 0.

We have,

[tex]F(x)=\dfrac{1}{x+2}[/tex]

Denominator is (x+2).

[tex]x+2=0[/tex]

[tex]x=-2[/tex]

The vertical asymptote is [tex]x=-2[/tex].

Therefore, the correct option is B.

Answer:

20 x 57^x / 10^x

Step-by-step explanation:

Answer:

the figure is missing. please provide the figure.

Answer:

Option B will be your answer

Step-by-step explanation:

hope it helps you

have a great day!!!

Answer: it’s d

Step-by-step explanation:

Answer:

$12

Step-by-step explanation:

Money spent by Tracy = 3x - 20

3x - 20 = 16       {add 20 to both sides}

       3x = 16 + 20

      3x  = 36        {Divide both sides by 3

       x = 36/3

x = 12

Money spent by Daniel = $12

Answer:

Move all terms to the left side of the equation and simplify.

3x²−12x−21=0

Use the quadratic formula to find the solutions.

(−b±√b²−4(ac))/2a

Substitute the values a=3, b=−12, and c=−21 into the quadratic formula and solve for x.

(12±√(−12)²−4⋅(3⋅−21)0/2⋅3 Simplify =>  x=2±√11

The result can be shown in multiple forms.

Exact Form: x=2±√11

Decimal Form: x=5.31662479…,−1.31662479…

Step-by-step explanation:

Step-by-step explanation:

The quadratic equation is

x=−b=−√b2−4ac2a

for a quadratic taking the form

ax2+bx+c=0

So for this equation it is

x=−(−12)±√(−12)2−4⋅3⋅112⋅3

x=12±√144−1326

x=12±√4⋅36

x=6±√33

Answer:

ths for the points TEHEHEHEHE

Step-by-step explanation:

Answer:

P = 12x - 18, x = 7 feet

Step-by-step explanation:

We know that the formula for the perimeter of a rectangle is:

[tex]P=2l+2w[/tex]

Where l is the length and w is the width. So we just substitute in for variables:

P = 2 (5x - 7) + 2 (x - 2)

We distribute by foiling:

P = 10x - 14 + 2x - 4

Then combine like terms:

P = 12x - 18

This can be further factored to 6(2x - 3) if needed.

Since we know the expression for perimeter, we can just set it equal to 66 feet, like this:

6(2x - 3) = 66

Divide both sides by 6:

2x - 3 = 11

Add 3 to both sides:

2x = 14

Divide both sides by 2:

x = 7 feet

Answer:

Step-by-step explanation:

3.8 x 102=387.6

1.7 x 109= 185.3

387.6+185.3=572.9

Answer:

x = -3

y = -2

Step-by-step explanation:

y = 2x - 4

3y = 2x

Minus bottom from top:

2y = -4

y = -2

Plug in for y to solve for x:

3y = 2x

-6 = 2x

x = -3

Given are..

30

9

17

7

Operation to use..

Addition and Subtraction

Solution:

9 + 17 = 26

30 - 26 = 4

4 + 7 = 11

so in that case there are 11 student chosen randomly from the class has a brother and a sister.

The probability  that a student chosen randomly from the class has a brother and a sister would be; 11/30

Probability refers to a possibility that deals with the occurrence of random events.

The probability of all the events occurring need to be 1.

The formula of probability is defined as the ratio of a number of favorable outcomes to the total number of outcomes.

We are given that class of 30 students, 9 have a brother and 17 have a sister. There are 7 students who have a brother and a sister.

Therefore, we have 9 + 17 = 26

Total students

30 - 26 = 4

4 + 7 = 11

As we can see that there are 11 student chosen randomly from the class has a brother and a sister;

Probabilty = 11/30

Learn more about probability here;

https://brainly.com/question/9326835

#SPJ2

Answer:

14

Step-by-step explanation:

A = 1/2 BH

B = 5H

A = 490

490 = 5/2 * H^2

H = 14