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2 years ago

What is the measure of angle C

Mathematics

1 answer:

Maurinko [17]2 years ago

4 0

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Hey guys please answer if you know

jonny [76]

Answer:

Step-by-step explanation:

note that

(a + b)² = a² + b² + 2ab , that is

a² + b² + 2ab = (a + b)² ← subtract 2ab from both sides

a² + b² = (a + b)² - 2ab

= 5² - 2(3)

= 25 - 6

= 19

6 0

3 years ago

Read 2 more answers

Zoey needed to get her computer fixed. She took it to the repair store. The

cricket20 [7]

Explanation

x = Amount paid one hour

205.25 - 59 = 146.25

3.25x = 146.25

x = 146.25 ÷ 3.25

x = 40

7 0

3 years ago

2y = 3(2x + 2) - 7x<br> Identify y-intercept and slope

Anuta_ua [19.1K]

Slope= 10
X intercept: 2

4 0

2 years ago

HELP IF U CAN! ASAP PLEASE!

lesya692 [45]

Answer:

Just do your best

Step-by-step explanation:

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2 years ago

The equation 2x^2 – 8x = 5 is rewritten in the form of 2(x – p)^2 + q = 0. what is the value of q?

QveST [7]

Answer:

q = -13

Step-by-step explanation:

The given equation is:

$2x^{2}-8x=5$

Taking 2 as common from left hand side, we get:

$2(x^{2}-4x)=5\\\\2[x^{2} - 2(x)(2)]=5$

The square of difference is written as:

$(a-b)^{2}=a^2 - 2ab + b^{2}$ Equation 1

If we compare the given equation from previous step to formula in Equation 1, we note that we have square of first term(x), twice the product of 1st term(x) and second term(2) and the square of second term(2) is missing. So in order to complete the square we need to add and subtract square of 2 to right hand side. i.e.

$2[x^{2}-2(x)(2)+(2)^2-(2)^{2}]=5\\\\ 2[x^{2}-2(x)(2)+(2)^2]-2(2)^{2}=5\\\\ 2(x-2)^{2}-2(4)=5\\\\ 2(x-2)^2-8=5\\\\ 2(x-2)^{2}-8-5=0\\\\ 2(x-2)^{2}-13=0$

Comparing the above equation with the given equation:

$2(x-p)^{2}+q=0$ , we can say:

p = 2 and q= -13

6 0

3 years ago