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2 years ago

9

because his goal is to bike 65 miles over the four days what equation can be used to find the number of miles he should bike on

the first day

2 answers:

Karo-lina-s [1.5K]2 years ago

8 0

His first day
Answer: 16.25

2 years ago

this is wrong

Fed [463]2 years ago

8 0

$y = 65 \div 4$

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PLS HELP! If f(x) = -9x + 12, and f(x) = -6, find x.

aivan3 [116]

Answer:

2

Step-by-step explanation:

You can rewrite thosee two equations as -9x+12=-6, because f(x)=f(x)

Now isolate x

-9x+12=-6

-9x+12-12=-6-12 (subtract 12, subtraction property of equality)

-9x=-6-12

-9x=-18 (simplify)

-9x/-9=-18/-9 (divide by 9, division property of equality)

x=2

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2 years ago

Which values of k are solutions to the inequality |-k-2|<18? Check all that apply<br> -40

LenaWriter [7]

Answer:

any number except -20

Step-by-step explanation:

$|-k-2|$

$-k-2$ $-k-2>18$

$-k$ $-k>18+2$

$-k$ $-k>20$

Multiply by -1 to make the k positive. This will alter all the terms which means 20 will become negative. NOTE: When multiplying or dividing by negative numbers, the inequaliy sign flips.

$k>-20$ $k$

k must be either greater than -20 but not including it or fewer than -20 but not including it; therefore, any number between negative infinity and -21 and -19 and postive infinity

6 0

3 years ago

Read 2 more answers

BRAINLIEST FOR RIGHT ANSWER!!

julsineya [31]

Answer: ${\boxed{h(x+4)=\frac{9+3x}{8+x}}}$

Concept:

In a function f(x), it represents a function in terms of x or for x. Therefore, to find the values in the function, substitute values within the parenthesis to solve.

Solve:

<u>Given information</u>

$h(x)=\frac{-3+3x}{4+x}$

<u>Need to find</u>

$h(x+4)$

<u>Substitute (x + 4) to the position of x</u>

$h(x+4)=\frac{-3+3(x+4)}{4+(x+4)}$

<u>Distributive property on the numerator</u>

$h(x+4)=\frac{-3+3x+12}{4+(x+4)}$

<u>Combine like terms</u>

$h(x+4)=\frac{-3+12+3x}{4+4+x}$

$\boxed{h(x+4)=\frac{9+3x}{8+x}}$

Hope this helps!! :)

Please let me know if you have any questions

5 0

1 year ago

What is equivalent to the square root of -27

lions [1.4K]

For the square root of a negative number, you would have to get into imaginary numbers. If you haven't learned about it yet, then the answer would be no real solutions. But if you have, here's how to solve it:

First, identify that 9 x 3 = 27. To after taking the square root, you will get 3√3 (Since the square root of 9 is 3 and there's no square root of 3, so leave it in the √)

However, since it is a negative number, you will have to include the letter i in the answer. i represents the imaginary part of it since you can't have a negative number in the square root.

So your answer will look like 3i√3.

3 0

2 years ago

What is the value of sine of begin argument 45 degrees end argument?

nirvana33 [79]

Answer:

Option A

fraction numerator square root of 2 over denominator 2 end fraction

Step-by-step explanation:

The answer can be obtained using a calculator.

It corresponds to a notable identity

sin (45) = $\sqrt{2}$ / 2

sin (45) = 0.7071

$\sqrt{2}$ / 2 = 0.7071

Please see attached picture

5 0

2 years ago