Solve this question? -7x-18=3

Answers

Answer 1

Answer: -7x - 18 = 3
-7x = 21
x= -3

Answer 2

Answer: the answer to the equation is 3

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Find the value of x in the equation 2 x + 20 = 15 + 3 x .a. 16
b. 25
c. 1
d. –5

Answers

x=5 are you sure d) is -5 ?

2x+20=15+3x
x=5
GoodLuck!

Line passing through the points (1, -1) and (9, 3)

Answers

Answer:

Step-by-step explanation:

(3+1)/(9-1) = 4/8 = 1/2

y + 1 = 1/2(x -1)

y + 2/2 = 1/2x - 1/2

y = 1/2x - 3/2

Anna had a solid wooden dowel with a length of 12 inches and a diameter of 1 inch, as shown below. She cut a two-inch portion out of the dowel as indicated. What was the volume, to the nearest tenth of a cubic inch, of the portion of the dowel that Anna cut out?

Answers

Answer:

Volume of the portion = 1.6 cubic inches

Step-by-step explanation:

Since, wooden dowel is in the shape of a cylinder,

Formula to be used to find the volume of the part Anna has cut from the dowel will be,

Volume = πr²h

Where r = radius of the cylinder or part of the wooden dowel

h = length of the portion

By substituting the values in the formula,

Volume = π(0.5)²(2)

= 0.5π

= 1.57 in³ ≈ 1.6 cubic inch

Therefore, volume of the portion will be 1.6 in³.

What is the result of dividing 48a3 + 32a2 + 16a by 4a?

A. 12a2 + 8a + 4

B. 12a2 + 4a + 8

C. 12a + 8

D. 12a2 + 4a + 4

Answers

The required quotient is 12a2 + 8a + 4. Option A is correct.

Quotient to be determined when dividing 48a3 + 32a2 + 16a by 4a.

What is the quotient?

The quotient is that value when quantity is divided by some value.

Here,
= (48a3 + 32a2 + 16a)/4a.
= 48a3/4a + 32a2/ 4a + 16a/4a)
= 12a2 + 8a + 16

Thus, the required quotient is 12a2 + 8a + 4. When dividing 48a3 + 32a2 + 16a by 4a.

Learn more about quotient here:
brainly.com/question/27796160

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$(48a^3+32a^2+16a)/(4a)$
$(48^3)/(4a) + (32a^2)/(4a) + (16a)/(4a)$

12a² + 8a + 4

Answer is A. 12a² + 8a + 4

List the six elements necessary for life and give examples of three molecules that contain those elements?

Answers

Answer:

Water H20 contain H2 and O2

Glucose C6H12O6 contain C , H2 ,and O2.I dont have another idea for the moment

Step-by-step explanation:

1. In winter with heavy snow, the animals in Yellowstone cannot freely roam to find food,
so hay is dropped for them from helicopters. A helicopter is 180 feet above the ground
drops a bale of hay while the helicopter itself is rising at 32 feet per second. The height (S)
in feet of the bale as a function of time is given by:s(t) = -16t2 + vit + Si
where t is the time since the bale was dropped off the helicopters (in seconds), V is the
initial velocity, and Si is the initial height.

Answers

Answer:

Step-by-step explanation:

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