3 years ago

Solve the following equation algebraically X^2=36

Mathematics

1 answer:

lara [203]3 years ago

6 0

Answer:

I think the answer is C.

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F(x)=x^2-1 <br> G(x)=x-1 <br> find (f+g)(10).

WARRIOR [948]

<h2>Adding Functions</h2><h3>Answer:</h3>

$(f +g)(10) = 108$

<h3>Step-by-step explanation:</h3>

Before we can solve for $(f +g)(10)$ , we need to know how $(f +g)(x)$ is defined.

$(f +g)(x) = f(x) +g(x) \\ (f +g)(x) = (x^2 -1) +(x -1) \\ (f +g)(x) = x^2 -1 +x -1 \\ (f +g)(x) = x^2 +x -2$

We can now solve for $(f +g)(10)$ :

$(f +g)(10) = (10)^2 +(10) -2 \\ (f +g)(10) = 100 +10 -2 \\ (f +g)(10) = 108$

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3 years ago

A student missed 3 questions on a 30 question test. what percent did she get correct?

Lyrx [107]

Answer:

90%

Explanation: 27/30 ÷ 3 = 9/10

9/10 ⇒ 9 x 10 = 90%

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2 years ago

Which of the following is 3 units lower than y = 4x2 – 8x + 2, but opens in the same direction and has the same shape?

olga_2 [115]

Simplify the function $y=4x^2-8x+2$ in the following way:

$y=4x^2-8x+2=4x^2-8x+4-4+2=4(x^2-2x+1)-2=4(x-1)^2-2.$

If you have to translate the graph of the function 3 units lower (down), then

$y=4(x-1)^2-2-3=4(x-1)^2-5.$

The graph of obtained function opens in the same direction as the graph of the function $y=4(x-1)^2-2.$

Answer: $y=4(x-1)^2-5.$

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3 years ago

Ordinary quarters and a fake quarter with two heads are placed in a hat. One-quarter is selected at random and tossed twice. If

motikmotik

How many quarters of each are there?

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3 years ago

A line passing (a,3) and (5,5) is perpendicular to a line passing through (0,0) and (1,a) Find the value of a.

vodka [1.7K]

Answer:

a = -5

Step-by-step explanation:

(5 - 3)/(5 - a)

2/(5 - a)

perpendicular of 2/(5 - a) = -(5 - a)/2

(a - 0)/(1 - 0) = -(5 - a)/2

a/1 = -(5 - a)/2

2a = -5 + a

a = -5

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4 years ago