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Anestetic [448]
2 years ago
8

Find the sum −1/2(7z+4)+15(5z−15)

Mathematics
2 answers:
nlexa [21]2 years ago
7 0

Answer:\frac{143x-453}{2}

sattari [20]2 years ago
4 0

Answer: \frac{143x - 453}{2}

Step-by-step explanation:

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The vertex of this parabola is at (-2, 5) (opens upward)
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Answer:

b.  y = 3(x+2)^2 + 5

Step-by-step explanation:

The vertex form of a parabola is

y = a(x - h)^2 + k    where (h, k) is the vertex.

Here  h = -2 and k = 5 so the following could be the required equation\;

y = 3(x+2)^2 + 5

7 0
3 years ago
What is the volume of the prism?​
Naddika [18.5K]

Answer:

420

Step-by-step explanation:

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8 0
3 years ago
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Llana [10]
X=t-yz   and we are asked to solve for y so, subtract t from both sides

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7 0
3 years ago
Find the sum of 3.0478 and 4.92 using the correct number of significant digits.
Vanyuwa [196]

Answer:

Since the least number of digits in the number is 2 decimal places

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Step-by-step explanation:

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6 0
1 year ago
What is the value of x in the rhombus below?
Maurinko [17]
Look into my attachment

in rhombus ABCD, ∠AOB = 90°

Look at ΔAOB
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∠BAO + ∠AOB + ∠ABO = 180°
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4x + 96 = 180
4x = 84
x = 21

5 0
3 years ago
Read 2 more answers
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