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kondaur [170]
3 years ago
14

Can someone help me on this please? I don't know where to start.

Mathematics
1 answer:
PolarNik [594]3 years ago
8 0

Answer:

I think its c 28 cm tell me if it helped

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Sarah's sister has two summer jobs. The first job pays her $11 per hour. The second job pays her $14 per hour. In one month, she
telo118 [61]
$505 . 11 times 23 =253 . 14 times 18=252. When you add them you get $505
3 0
3 years ago
Factor the expression y4 − 81 using the polynomial identity (x2 − y2) = (x − y)(x + y).
katrin [286]
The factored form is (y^2+9)(y^2-9).

Plug the two terms into the equation by finding the root of both.
√y^4= y^2
√81= 9

From here, you plug the terms into the form (x+y)(x-y)
(y^2+9)(y^2-9)

Hope this helps!
6 0
3 years ago
Enter the factor under the radical<br><img src="https://tex.z-dn.net/?f=%28a%20-%20b%29%20%5Csqrt%7Ba%20-%20b%7D%20" id="TexForm
kvasek [131]

\\ \rm\longmapsto (a-b)\sqrt{a-b}

\\ \rm\longmapsto (a-b)(a-b)^{\frac{1}{2}}

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\\ \rm\longmapsto (a-b)^{\dfrac{3}{2}}

3 0
3 years ago
Read 2 more answers
F(x) = 5x - 3 for x = -7
erastovalidia [21]

Answer:

Step-by-step explanation:

f(-7) = 5(-7) - 3 = -35 - 3 = -38

6 0
4 years ago
The x - coordinate of A' is _____<br> . The y - coordinate of A' is _____
Kazeer [188]

Answer:

(-3, 2)

Step-by-step explanation:

Since you are reflecting over the y-axis (the vertical axis), you are flipping the figure over to the left. As a result, you are going over to -3 and up to 2

8 0
3 years ago
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