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astraxan [27]
3 years ago
14

Sebastian saved money in his piggy bank. He kept track on how much money he saved at the end of each week on the line graph belo

w.
How much money had Sebastian saved by the end of seven weeks?

Mathematics
2 answers:
jenyasd209 [6]3 years ago
5 0
X: weeks
Y: total amount saved

(2,30) (4,40)

M=40-30. 10
———- = —- = 5
4-2 2

Y=5x + B
30= 5(2) + B
30=10 + B
-10 -10
20= B


Y= 5x+20
Y= 5(7) + 20
Y= 35+20
Y=55$ Amount saved.
Luba_88 [7]3 years ago
4 0

Answer:

$90

Step-by-step explanation:

Look at the number 7 on the bottom right of the graph. That means at the end of 7 weeks. Now look vertically up from there until you see a point directly above 7 weeks. Look to the left of that point, and you see that the point directly above 7 weeks is at the level of $90. That means that at the end of 7 weeks, he had $90.

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Halla la diferencia de 2 numeros si su MCD es 48 y su suma es 288
Murrr4er [49]

    SUM:                x + y = 288

DIFFERENCE:   +  <u>x - y =  48 </u>

                            2x     = 336

                             x      = 168

 SUM: x + y = 288  →   (168) + y = 288   →   y = 120

Answer: 120, 168

7 0
3 years ago
A closed rectangular tank has a length of 8.5 feet, a width of 3.2 feet, and a height of 4.8 feet. Find the surface area of the
Stella [2.4K]

Answer:

166.72

Step-by-step explanation:

A= 2(wl+hl+hw)

A= 2(3.2×8.5+4.8×8.5+4.8×3.2)

A= 2(27.2+40.8+15.36)

A= 2(83.36)

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4 0
1 year ago
Joni earns $300 per week. If she gets a 25% raise, how much more money will she earn each week?
alina1380 [7]

Answer:

\huge\boxed{$75}$75

Step-by-step explanation:

Joni currently earns $300 per week (given)

To find how much more she will earn each week, write an expression adding the original pay and the raise amount.

$300 + 25%

Find 25 as a decimal for multiplication

25%  = 25/100 = 0.25

Write an expression to represent the scenario

Expression example 1:

$300 + 0.25(300)

This expression adds the original pay and the new raise together.

Expression example 2:

$300 (1.25)

This expression already takes the new pay into account by finding 125% of the original pay.

Simplify both expressions

Expression 1:

$300 + 0.25(300)

$300 + $75

$375

Expression 2:

$300 (1.25)

$375

Both expressions represent the same scenario and therefore come out to the same result. Now that we know how much Joni made after the raise, we need to find how much more money she will earn in a week with the following equation.

New amount - original amount = amount increase

Substitute known values into the equation

$375 - $300

Simplify

$75

Joni will earn $75 more each week.

Let me know if you have any questions!

3 0
3 years ago
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Step-by-step explanation:

solid of rotation. The dashed line is the axis of rotation for the solid of rotation formed by rotating the green triangle. A cone

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2 years ago
What’s the answer choice?
d1i1m1o1n [39]

Answer:

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=> 3/10 in simplest form.

Hope this helps, Please put me as brainliest!!

5 0
3 years ago
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