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tia_tia [17]
3 years ago
15

Which one of those is it

Mathematics
1 answer:
Karolina [17]3 years ago
6 0
The first option because you would need to get rid of 2/3 by dividing it on both sides, then you would subtract 57 to get x
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Pieter wrote and solved an equation that models the number of hours it takes to dig a well to a level of 72 feet below sea level
jek_recluse [69]

Answer:

Step-by-step explanation:

Is this the entire question? Some of it makes no sense without a diagram or something.

To get rid of A you actually have to solve the equation.

7h – 5(3h – 8) = –72        Remove the brackets

7h - 15h + 40 = - 72          Combine the like terms

- 8h + 40 = - 72                Subtract 40 from both sides

- 8h = -112                        Divide by -8

    h = 14

Well the depth is a whole number so A is true.

We don't know anything about time. But the answer is positive.

C is false because B is true.

We don't know exactly what the depth of the well is.

I would pick A, but you need the entire question.

8 0
2 years ago
Please and Thank You ​
sergejj [24]

Answer:

its a after about 17.5 billion years of watching shrek it is a

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Helppppp please will give brainlist ​
NeX [460]

Answer:

D or answer 4                   y=-5/2x+7

Step-by-step explanation:

Well we can first start of by finding the y-intercept.

Note that when x=0, you can find your y-intercept.

Knowing this, and looking at the table, 7 is the y-intercept because when y=7, x=0.

So we can eliminate choices 'a' and 'c,' or answers 1 and 3, because they have the y-intercept as -7, when it's just 7.

Please know that in the equation:

y = mx + b

y = y-coordinate or any given point

mx = slope

b = y-intercept

Now we must find slope

To find the slope we need to do:

(y2 - y1) / (x2 - x1) or rise/run

The two coordinates I choose to use is (0, 7) and (6, -8).

(-8 - 7) / (6 - 0) = -5/2

-5/2 is the slope

Finally, look for an equation that has 7 as the y-intercept and -5/2 as the slope.

Answer: D or answer 4

7 0
3 years ago
Hannah has a small circular table. The radius of the tabletop is 23 cm.
ale4655 [162]
Area of circle = πr2 = π(23)^2
7 0
3 years ago
Read 2 more answers
For each expression, select all equivalent expressions from the list.
ratelena [41]

\qquad\qquad\huge\underline{{\sf Answer}}

Let's find the equivalent expressions ~

#1. PROBLEM

\qquad \tt \dashrightarrow \:11x - 4x + 10x

\qquad \tt \dashrightarrow \:21x - 4x

\qquad \tt \dashrightarrow \:17x

#2. PROBLEM

\qquad \tt \dashrightarrow \:2(1 + 8y)

\qquad \tt \dashrightarrow \:(2 \times 1) + (2 \times 8y)

\qquad \tt \dashrightarrow \:2 + 16y

8 0
2 years ago
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