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Triss [41]
3 years ago
12

Suppose an auto racer won a 400 mile race with a time of ​1:41​:58. at one point the racer was 40 miles closer to the finish tha

n the start. how far had the racer gone at that​ point?
Mathematics
1 answer:
enot [183]3 years ago
7 0
400/2 = 200
200 + 20 = 220
200 - 20 = 180
Answer: He had gone 220 miles.

He was 180 miles from the finish and 220 from the start, so he was 40 miles closer to the finish than to the start.
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A line passes through the point (6, -8) and has a slope of -3/2
DENIUS [597]
Use y=mx + b, which is slope intercept form

b = y intercept(when x=0)
m = slope

You need to find the y intercept. Use your coordinates and substitute it in the slope intercept equation.

we use (6, -8)

y = mx + b

Then, -8 = -3/2(6) + b

-8 = -9 + b
1 = b

Thus,

y = -3/2x + 1


8 0
2 years ago
How can I get the answer
marshall27 [118]

Answer:

A.

Step-by-step explanation:

To find the inverse of a function, first make f(x) a y

So,

y = \frac{12}{x} -18

Then switch the x and the y

x = \frac{12}{y} - 18

Solve, for y

7 0
3 years ago
Which equation is an identity?
aleksley [76]

Answer:

<h3>C. 2x+3+1/2 (4x+2)+2</h3>

Step-by-step explanation:

This is the answer

8 0
3 years ago
3 plus 27 divided by (4 plus 5) Find the sum 1/3 plus 2/5
dezoksy [38]

Answer:

4.) 6

5.) \frac{11}{15}  

Step-by-step explanation:

4.

PEMDAS

Parenthesis, Exponents, Multiplication, Division, Adition, Subtraction.

3 + 27 ÷ ( 4 + 5 )

Do the parenthesis first ( 4 + 5 )

3 + 27 ÷ 9

Do the division next ( 27 ÷ 9)

3 + 3

Now addition.....( 3 + 3)

6

__________________________________________________________

5.

\frac{1}{3} + \frac{2}{5}

In order to find the sum between these 2 fractions, we need to find a common denominator, and in this case, it can be 15...

\frac{1 * 5}{3 * 5} = \frac{5}{15}

\frac{2 * 3}{5 * 3} = \frac{6}{15}

Now that we have a common denominator, we can add them up...

\frac{5}{15} + \frac{6}{15} =\frac{11}{15} \\\\\frac{11}{15}

\frac{11}{15}  is ur answer.

Hope this helped!

Have a supercalifragilisticexpialidocious day!

7 0
2 years ago
Read 2 more answers
Find cos(B) in the triangle.<br> Choose 1 answer: 8/17
gavmur [86]

Answer:

8 / 17

Step-by-step explanation:

So cosine is adjacent ÷ hypotenuse.

Adjacent = 8

Hypotenuse = 17

8 / 17

7 0
3 years ago
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