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Vitek1552 [10]
4 years ago
8

What is a correct method of solving the equation x/-8 - 7 = 12 for x

Mathematics
1 answer:
Ronch [10]4 years ago
7 0
Now, I'm not sure if this is correct but I think you have to get 'x' by itself, by adding 7 to both sides and then multipying (-8) to both sides.
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Please help me I’m sorry u can’t see the other graphs it only lets me click on one at a time
kiruha [24]
I think graph 2. Hope this helps!
7 0
3 years ago
if something is on sale for 35% off the original price and the sale price is 2.73, what is the original price?
Troyanec [42]
$4.20, 2.73/65 >>> .042 x 100 >>> answer.

Bonus:
To check it you'd do 4.20/20, then multiply .21 by 13 (65% divided into 5% portions = 13 portions) and your answer will be $2.73.
5 0
4 years ago
Read 2 more answers
What is the length of Line segment S R?
tangare [24]
Using Pythagorean theorem.
16^2 + (RT)^2 = 20^2
256 + (RT)^2 = 400
(RT)^2 = 144
RT = 12


Using altitude theorem to find ST:
16/12= 12/ST
16ST = 144
ST = 9

Using Pythagorean theorem again:

12^2 + 9^2 = SR^2
144 + 81 = SR^2
225 = SR^2
SR= 15

Final answer: SR= 15

Hope this helps!
6 0
3 years ago
An inner city revitalization zone is a rectangle that is twice as long as it is wide. The width of the region is growing at a ra
Ket [755]

Answer:

The area is changing at the point of  \mathbf{61200 m^2/year}

Step-by-step explanation:

From the given information:

Let's recall from our previous knowledge that the formula for finding the area of a rectangle = L × w

where;

L = length and w = width of the rectangle

Suppose the Length L is twice the width w

Then L = 2w --- (1)

From The area of a rectangle

A = L  × w

A = 2w  × w

A = 2w²

Taking the above differentiating with respect to time

\dfrac{dA}{dt }= 4w \times  \dfrac{dw}{dt} --- (2)

At the time t

\dfrac{dw}{dt}= 34 m \ per \ year ; w = 450 \ m

Replacing the values back into equation 2, we get:

\dfrac{dA}{dt }= 4 \times 450 \times 34

\mathbf{\dfrac{dA}{dt }= 61200 m^2/year}

7 0
3 years ago
This expression is a product.
choli [55]
It's either 4 or 5, i think.
4 0
3 years ago
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