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3 years ago

The following dot plot represents student scores on the Unit 1 math test. Scores are in whole number increments.

Mathematics

1 answer:

ratelena [41]3 years ago

5 0

Answer:

38.3 (idk if it can be a decimal)

i think its 15. dont come at me

18 i think

~s9154499~

~Mia for short~

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Jina wants to measure the width of a river. She marks off two right triangles, as shown in the figure. The base of the larger tr

Brilliant_brown [7]

Answer:

width of a river = 45m

Step-by-step explanation:

ration and proportion

let x = width of a river

x 20.9 m

------ = --------

56 m 26 m

x = (20.9 * 56) / 26

x = 45 m

therefore the width of a river is 45 m

7 0

3 years ago

Inverse of y=xsquare root -36

brilliants [131]

Answer: y=6 i believe

Step-by-step explanation:

3 0

3 years ago

Combine like terms in the expression below. 5c + 6 + 8c - 2 Plz help

Eva8 [605]

Answer:
13c+6-2

Explanation:
You combine the amount of cs with each other.

8 0

3 years ago

A group of students are planning a mural at a wall the rectangular wall has dimensions of (6x+7) by (8x+5) and they are planning

zvonat [6]

Answer: $46x^2+73x+15$

Step-by-step explanation:

The area of a rectangle can be calculated with the formula:

$A=lw$

l: the length of the rectangle.

w: the width of the rectangle.

The area of the remaning wall after the mural has been painted, will be the difference of the area of the wall and the area of the mural.

Knowing that the dimensions of the wall are $(6x+7)$ by $(8x+5)$ , its area is:

$A_w=(6x+7)(8x+5)\\\\A_w=48x^2+30x+56x+35\\\\A_w=48x^2+86x+35$

As they are planning that the dimensions of the mural be $(x+4)$ by $(2x+5)$ , its area is:

$A_m=(x+4)(2x+5)\\\\A_m=2x^2+5x+8x+20\\\\A_m=2x^2+13x+20$

Then the area of the remaining wall after the mural has been painted is:

$A_{(remaining)}=A_w-A_m\\\\A_{(remaining)}=48x^2+86x+35-(2x^2+13x+20)\\\\A_{(remaining)}=48x^2+86x+35-2x^2-13x-20\\\\A_{(remaining)}=46x^2+73x+15$

8 0

3 years ago

Find the slope of the line?

LenKa [72]

Answer:

-3/4

Step-by-step explanation:

Option 1

Direction of the line: Down

-Negative Slope

Rise=-3

Run=4

Rise/Run=-3/4

Option 2

Points: (1,-2) and (-3,1)

y2-y1/x2-x1= 1-(-2)/-3-1

1+2/-3-1

-3/4

3 0

3 years ago

Read 2 more answers