3 years ago

Choose all that are correct given the equation (equation: y=1/4x+9)

1 answer:

4 0

Options a, b, and d are all correct.
I just substituted the x values into a calculator and checked if the y value was equal as well

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At each mile marker for the first five miles of a marathon, Ellie was 18 seconds, 9 seconds, 14 seconds, 6 seconds, and 3 second

mixas84 [53]

The mean is the average.

Let A = mean

A = (18 + 14 + 9 + 6 + 3)/5

A = 50/5

A = 10

Ellie's mean time is 10 seconds.

3 0

2 years ago

Which choice should i pick A.0.27 B.0.25 C.0.07 D.0.33

Vladimir79 [104]

Answer:

B.0.25

Step-by-step explanation:

7 0

2 years ago

The legs of a scalene triangle are represented by (x + 4), (x + 8), and ( 2x − 3). Which polynomial expression BEST represents t

ivanzaharov [21]

The perimeter of the triangle is: 4x+9

Step-by-step explanation:

Perimeter is the measurement of boundary of any closed figure.

Given

s1 = x+4

s2 = x+8

s3 = 2x-3

So, the perimeter will be the sum of all three sides

$P = s_1+s_2+s_3\\= (x+4) + (x+8) + (2x-3)\\= x+4+x+8+2x-3\\= 4x+9$

Hence,

The perimeter of the triangle is: 4x+9

Keywords: Perimeter, triangle

Learn more about perimeter at:

#LearnwithBrainly

6 0

2 years ago

(5m 3 + 3mn 2) + (-7m 2n + mn 2 - n 3) - (mn 2 + 2m 3)

lara [203]

Answer:

$3m^{3}+3mn^{2} -n^{3}- 14mn$

Step-by-step explanation:

I assumed that the numbers after the spaces were powers. This question was rather unclear.

8 0

3 years ago

Please help me with each my math questions thank you

SVEN [57.7K]

Answer:

1) 3 3/4

2) The the inequality is greater than or equal to 2

3) f > 5

Step-by-step explanation:

It just is

3 0

2 years ago