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3 years ago

8

I really need help in math

1 answer:

Klio2033 [76]3 years ago

7 0

Y=3 means go up 3 then over three over and over then find where it lands on the chart. so first one would be 3. in the second one you go over 1 up 4. first answer would be 4.

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HELP ASAP!!!!!!!! 15 POINTS + BRAINLIEST!!!!!!

Andre45 [30]

A) c=18
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subtract 13 from both sides
0.5c^2 = 81
Square root of both sides to get c alone
0.5c=9
double c to make it just c
c=18

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Subtract one from each side
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square root each side
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3 years ago

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ArbitrLikvidat [17]

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3 years ago

Read 2 more answers

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Anit [1.1K]

Answer:

Domain: 10, 1, 2

Range: 3, 4, 9, 5

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8 0

4 years ago

The average of 10 numbers is -5. A new number is added to the list making the average -6. What is the new number?

Shtirlitz [24]

Answer:

- 16

Step-by-step explanation:

Average is calculated as

average = $\frac{total}{count}$

Thus for the given 10 numbers we have

$\frac{total}{10}$ = - 5 ( multiply both sides by 10 )

total = - 50

let the number added be x, then

$\frac{total+x}{11}$ = - 6 ( multiply both sides by 11 )

total + x = - 66, that is

- 50 + x = - 66 ( add 50 to both sides )

x = - 16

The new number is - 16

4 0

3 years ago

Find thetwo consecutive integers whose product is 24

malfutka [58]

Answer:

There is no solution to this equation that is an integer for x.

Step-by-step explanation:

x is the first integer, and x+1 the second

$x(x+1) = 24\\x^{2} + x - 24 =0\\$

$x = \frac{-1+\sqrt{1^{2}+4*24}}{2} =\frac{-1+\sqrt{97}}{2}\\x = \frac{-1-\sqrt{1^{2}+4*24}}{2} =\frac{-1-\sqrt{97}}{2}$

5 0

3 years ago