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3 years ago

This is a hard one for me. Can someone solve this one.

Mathematics

1 answer:

asambeis [7]3 years ago

3 0

Answer:

100

Step-by-step explanation:

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What is the range of the function: {(1, 3); (3, 5); (5, 7); (7, 9)}? A. {1, 3, 5, 7}

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$\{(1;\ \underline{3});\ (3;\ \underline{5});\ (5;\ \underline{7});\ (7;\ \underline{9})\}\\\\Range\ of\ this\ function:\{3;\ 5;\ 7;\ 9\}\\\\Domain\ of\ this\ function:\{1;\ 3;\ 5;\ 7\}$

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3 years ago

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Find the slope of the line through each pair of points (20,-16),(19-16)

ale4655 [162]

Answer:

Undefined slope.

Step-by-step explanation:

The formula should be y2 - y1 over x2 - x1

Points ( 20,-16 ) and ( 19, -16 )

So ( -16 - ( -16 ) ) over ( 19 - 20 )

0 over -1

The slope is 0. Undefined.

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3 years ago

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16. At a grocery store, salted peanuts in the shell cost 30 cents per ounce. Is $5.00 enough money to buy 1 pound of peanuts? If

IceJOKER [234]

Yes. There is sixteen ounces in a pound. At thirty cents an ounce, you can buy a pound for $4.80. That also leaves $.20.

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3 years ago

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Find a number such that 10 less than two thirds the number is one fourth the number

Ivan

Answer:

the number is 24

Step-by-step explanation:

10 less than two thirds the number is one fourth the number

Let the unknown number be x

two third of the number is $\frac{2}{3} x$

10 less than two third the number becomes

$\frac{2}{3}x-10$

one fourth the number becomes $\frac{1}{4}x$

10 less than two thirds the number is one fourth the number

$\frac{2}{3}x-10=\frac{1}{4}x$

We need to solve for x

LCD is 3*4 = 12

Multiply the whole equation by 12

$\frac{2*12}{3}x-10*12=\frac{1*12}{4}x$

8x - 120 = 3x

add 120 on both sides

8x = 3x + 120

Subtract 3x on both sides

5x = 120

divide by 5 on both sides

x= 24

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3 years ago

Which equation is equivalent to the formula below? <br> Y = A ( X - H) ^2 + K

frozen [14]

Answer:

Step-by-step explanation:

Given the expression y = a (x-h)² + k

First make a the subject of the formula

Subtract k from both sides

y = a (x-h)² + k

y- k = a (x-h)² + k - k

y - k = a (x-h)²

Divide through by (x-h)²

y - k/(x-h)² = a

a = y - k/(x-h)²

Hence option B is correct

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3 years ago

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