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3 years ago

5

Mathematics help needed. Which of the following statements are true regarding functions?

1 answer:

Evgen [1.6K]3 years ago

3 0

A and c. No horizontal line

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Help me please am stuck

Hoochie [10]

Answer:

17/33

Step-by-step explanation:

1/2 is .5

51/1000 is .051

51/100 is just .51

3 0

2 years ago

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What is the y-value in the solution to this system of linear equations?

Alex787 [66]

This is the first line
$4x + 5y = - 12 \\ 5y = - 4 x - 12 \\ y = - \frac{ 4}{5} x - \frac{12}{5}$
$\binom{2}{ - 4} \: \: \: \: \: \: \binom{4.5}{ - 6}$
and this one is the second line:
$- 2 x + 3y = - 16 \\ 3y = 2x - 16 \\ y = \frac{2}{3} x - \frac{16}{3}$
$\binom{2}{ - 4} \: \: \: \: \: \: \binom{5}{ - 2}$

5 1

4 years ago

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The area of a triangle is 80cm² and its base is 8cm. If its height is (6+k) cm, find the value if k.

Leviafan [203]

Answer:

K=14

Step-by-step explanation:

A=1/2*b*h

80=1/2*8*(6+k) multiply by 2 on both sides

160=8*(6+k) distribute by 8

160=48+8k subtract 48 from both sides

112=8k divide by 8

14=K

8 0

4 years ago

Write an expression, using an exponent, equivalent to 5x5x5x5

expeople1 [14]

Answer:

$5^{4}$

Step-by-step explanation:

We use exponents to simplify long multiplication. The number of the exponent stands for how many of the number you have.

Because we have 4 5s, the exponent is 4.

Something like 5x5x5 would be $5^{3}$ , because there are 3 5s.

3 0

3 years ago

The temperature outside was 12 degrees and was decreasing 4 degrees every hour. What was the temperature after 3 hours?

BlackZzzverrR [31]

Answer:

It should be 0°

Step-by-step explanation:

If it decreases 4 degrees every hour and you put into a line graph, you would get 0 degrees in 3 hours.

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3 years ago

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