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sergiy2304 [10]
3 years ago
15

Use the numbers to complete the subtraction problem(1,2,3,4,5,6). The ■ represents the missing numbers. 6454 - 299■ =■■■9.

Mathematics
1 answer:
s2008m [1.1K]3 years ago
8 0
6545 - 2995 = 3459
.....
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Solve the equation and show your work W + 87 = 102
Helen [10]
I believe it is this : 102 - 87 = 15 = W
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Find EG
tresset_1 [31]
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What is the vertex of the graph of f(x) = x2 + 10x - 9? A) (-5, -34) B) (-5, -9) C) (5, -9) D) (5, 66)
sukhopar [10]

Answer:

A) (-5, -34)

Step-by-step explanation:

f(x) = x^2 + 10x - 9

We complete the square to get the equation in vertex form

Take the coefficient of the x term and divide by 2 then square it.  We add it and then subtract it not to change the value of the equation

f(x) = x^2 + 10x +(10/2)^2 - (10/2)^2 - 9

f(x) = x^2 +10x +25 -25 -9

f(x) = (x^2 +10x +25) -34

The term in parentheses simplified to (x+10/2) ^2

     = (x+5)^2 -34

   = (x - -5)^2 -34

This is in the form (x-h)^2 +k

The vertex is (h,k)  h=-5 and k=-34

(-5,-34)

4 0
3 years ago
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I don't even know how to figure this out. I don't have a formula for this
yuradex [85]

Answer:

\sin\theta=\dfrac{15}{17}

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Step-by-step explanation:

Use the trigonometry formula

\cos^2\theta+\sin^2\theta=1

You are given that

\cos \theta=\dfrac{8}{17}

Substitute into the first formula

\left(\dfrac{8}{17}\right)^2+\sin^2\theta=1\\ \\\dfrac{64}{289}+\sin^2\theta=1\\ \\\sin^2\theta=1-\dfrac{64}{289}=\dfrac{289-64}{289}=\dfrac{225}{289}\\ \\\sin \theta=\pm \dfrac{15}{17}

Angle \theta is acute angle, then the sine of this angle is positive and

\sin\theta=\dfrac{15}{17}

3 0
3 years ago
Which fraction is equivalent to (1/2)(1/2)(1/2)
aniked [119]

Answer:

3/6       4/8

Step-by-step explanation:

5 0
3 years ago
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