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o-na [289]
3 years ago
7

Plz explain.This to me will brainliest.

Mathematics
1 answer:
Alex777 [14]3 years ago
8 0

\$228.75\ per\ week\\\\one-fifth\to\dfrac{1}{5}\ of\ her\ earnings\ each\ week\ is\ equal\\\\\dfrac{1}{5}\cdot\$228.75=\$45.75\\\\\text{How much money will she have saved after 2 months?}\\\\Two\ months\ it's\ 59-62\ days.\ It's\ less\ than\ 9\ weeks.\\Calculate\ for\ 8\ weeks.\\\\Therefore\ your\ answer\ is\ \$45.75\cdot8=\$366.00

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Write the equation of the line of best fit using the slope-intercept formula $y = mx + b$. Show all your work, including the poi
Dennis_Churaev [7]

Answer:

y=\frac{5}{7}x+\frac{135}{7}

Step-by-step explanation:

You only need two points on a line to find the equation for that line.

We are going to use 2 points that cross that line or at least come close to. You don't have to use the green points... just any point on the line will work.  You might have to approximate a little.

I see ~(67.5,67.5) and ~(64,65).

Now once you have your points, we need to find the slope.

You may use \frac{y_2-y_1}{x_2-x_1} where (x_1,y_1) \text{ and } (x_2,y_2) are points on the line.

Or you can line up the points vertically and subtract then put 2nd difference over 1st difference.

Like this:

(  64  ,   65  )

-( 67.5, 67.5 )

--------------------

-3.5        -2.5

So the slope is -2.5/-3.5=2.5/3.5=25/35=5/7.

Now use point-slope form to find the equation:

y-y_1=m(x-x_1) where m is the slope and (x_1,y_1) is a point on the line.

y-65=\frac{5}{7}(x-64)

Distribute:

y-65=\frac{5}{7}x-\frac{5}{7}\cdot 64

Simplify:

y-65=\frac{5}{7}x-\frac{320}{7}

Add 65 on both sides:

y=\frac{5}{7}x-\frac{320}{7}+65

Simplify:

y=\frac{5}{7}x+\frac{135}{7}

6 0
3 years ago
Find the perimeter of the figure. I’ll mark brainliest if correct
koban [17]

Answer:

66 ft.

Step-by-step explanation:

Add 9+9+9+9+30 and that equals 66.

4 0
2 years ago
Read 2 more answers
If f(x)= x*2 +3 and g(x) = 4x + 1, what is f(g(2))?
enot [183]

Answer:

f(g(2))=84

Step-by-step explanation:

Step one:

Given data

f(x)= x*2 +3

g(x) = 4x + 1

Step two

Let us find g(2) first then we proceed to find f(g(2))

g(2)=4(2) +1

g(2)=8+1

g(2)=9

Since g(2)=9

f(g(2))=x*2 +3

f(g(2))=9*2 +3

f(g(2))=81+3

f(g(2))=84

5 0
2 years ago
Write a multiplication equation that corresponds to each division equation. 10 divided by 5, 4.5 divided by 3, 1/2 divided by 4
nika2105 [10]

Answer: 1: 2 x 5 = 10      2: 1.5 x 3 = 4.5        3: 0.125 x 4 = 1/4

Step-by-step explanation:

4 0
2 years ago
Slope:<br> intercept<br> Y=2/3x-4
aleksandrvk [35]

Answer:

slope is 2/3, the y-intercept is -4

Step-by-step explanation:

y=mx+b

m is always the slope. b is always the y-intercept. please give brainliest!!

8 0
2 years ago
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