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ArbitrLikvidat [17]
2 years ago
8

The graph shows two lines, A and B.

Mathematics
1 answer:
Papessa [141]2 years ago
8 0
Part A: One solution because the lines intersect one time.
Part B: (3,4) or x=3 and y=4 (depending on how you have to write it)
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What is -4 - (8) More text
son4ous [18]

Answer:

-12

Step-by-step explanation:

(-4) - 8

Keep Flip Change

Keep

(-4)

Flip

- to +

Change to opposite

8 to -8

Result

-4 + -8 = -12

5 0
2 years ago
Read 2 more answers
Which expressions are equivalent to the one below? Check all that apply.
Aleksandr [31]

Answer:

D

Step-by-step explanation:

(5·5)*x = 25*x =25^x

the rest are wrong

5 0
3 years ago
12/23<br> 19/34<br> 22/45<br> 8/41
lbvjy [14]

Why are you even asking, i'll edit the answer once I know.

7 0
2 years ago
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You use 240 cubic inches of clay to make a sculpture shaped as a rectangular prism. The width is 4 inches less than the length a
murzikaleks [220]

Answer:

L: 6

W: 2

H: 20

Step-by-step explanation:

First, we need to know the expression to calculate the volume of rectangular prism which is:

V = L * W * H

The only thing we know is that the volume is 240 in³ and that the width is 4in less than length, the height is 2 in more than 3 times length. So, everything is set in function of the length, therefore, we'll call L = x and then solve for x

L = x

W = x - 4

H = 3x + 2

Let's replace the data in the formula of volume:

240 = x * (x - 4) * (3x + 2)

240 = (x² - 4x)(3x + 2)

Solving this we have:

240 = 3x³ - 10x² - 8x

Rearranging the equation:

3x³ - 10x² - 8x - 240 = 0

Now, in order to solve this, we need to factorize the left side:

3x³ - 18x² + 8x² - 48x + 40x - 240 = 0

3x²(x - 6) + 8x(x - 6) + 40(x - 6) = 0

(x - 6)(3x² + 8x + 40) = 0

Now that we have this, we can solve the value of x.

x1 -----> x - 6 = 0 ---> x = 6

x2 ---> (3x² + 8x + 40) = 0

Δ = 8² - 4*3*40 = 64 - 480 = -416

This value of -416 means that it's not possible to get a real number as x (only the imaginary numbers), therefore the value of x should be 6

x = L = 6

With this value we can calculate W and H:

H = 6 - 2 = 4

W = (3*6) + 2 = 20

7 0
3 years ago
Using the distributive property what will you do?
Art [367]

Answer:

Rewrite expressions!

5 0
3 years ago
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