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zysi [14]
3 years ago
7

PLEASE HELP I NEED THIS QUICK

Mathematics
2 answers:
Molodets [167]3 years ago
6 0
50 because you make 20% into a decimal and multiply 250 and .20
VMariaS [17]3 years ago
3 0

Answer:

The discount is $50

The sale price is $200

Step-by-step explanation:

x/250 = 20/100

Cross multiply

x × 100 = 250 × 20

100x = 5000

Divide both sides by 100 to isolate variable x

100x ÷ 100 = 5000 ÷ 100

x = 50

$50 is the discount price

Take the original value of the shoes and subtract the discount to find the sale price

250 - 50 = 200

$200 is the sale price

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X-2y+z=2<br> bx+ay=3<br> -2y+z=-4<br> Choose appropriate values for a and b
jonny [76]

Answer:

Attached

Step-by-step explanation:

Just for your reference, this question will get unlimited number of solutions, attached is a few examples I calculated from Excel. Have fun to pick one or create one to be your favorite.

8 0
3 years ago
a maxicool consists of a cone full of ice cream with a hemisphere of ice cream on top. the radius of a hemisphere is 3cm. The he
Gemiola [76]

According to the information, it can be inferred that the volume of the ice cream is close to 207.33 cm³

<h3>How to calculate the volume of the maxicool?</h3>

To calculate the volume of the maxicool, we must calculate the volume of the sphere of ice cream, and the volume of the cone that is filled with ice cream.

<h3>Volumen of the sphere</h3>

V = \frac{4}{3} × π × R³

V = \frac{4}{3} × π × 3³

V = 113.09 cm³

<h3>Cone volume</h3>

V = \frac{1}{3} × π × R² × <em>h</em>

V = \frac{1}{3} × π × 3² × 10

V= 94.24 cm³

Finally we must add both values to know the total volume of the maxicool.

113.09 + 94.24 = 207.33 cm³

Learn more about volume in: brainly.com/question/13338592

5 0
3 years ago
Which type of function best models the data in the table? Justify your choice.
Mariulka [41]
A quadratic function would fit this data.

The data does not increase at the same rate each time, so it is not linear.  It comes to a maximum at (8, 150) and decreases.  It decreases the same way it increased.  This would lead to a U-shaped graph, which indicates a quadratic function.
3 0
3 years ago
Read 2 more answers
Solve 2(x + 1) = 2x + 5​
IceJOKER [234]

Answer:

no solution

Step-by-step explanation:

Given

2(x + 1) = 2x + 5 ← distribute parenthesis on left side

2x + 1 = 2x + 5 ( subtract 1 from both sides )

2x = 2x + 4 ( subtract 2x from both sides )

0 = 4 ← not possible

This indicates the equation has no solution

3 0
4 years ago
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Ever since renata moved to her new home, she's been keeping track of the height of the tree outside her window. h(t)h(t)h, left
lilavasa [31]
It was 210 cm.

The function she used is h(t) = 210 + 33t.  This is a linear function, since it is of the form f(x) = mx+b.  In a linear function, we have the slope, m, which tells us how much the height increases per year, and the y-intercept, b, which tells us how tall it was when we began measuring.  Our m value would be 33 and our b would be 210, so the original height was 210.
4 0
3 years ago
Read 2 more answers
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