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lisov135 [29]
3 years ago
7

A pair of $72 sneakers is marked with a sign $20 OFF or 20% OFF: The $20 of final price is​

Mathematics
1 answer:
Dafna1 [17]3 years ago
8 0

Answer:

52

Step-by-step explanation:

i did the test.

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Slope of (-7,-2) (9,4)
Olenka [21]

Answer:

m= \frac{3}{8}

Step-by-step explanation:

1. Use the slope equation to solve the problem

\frac{y_{2} -y_{1}}{x_{2} -x_{1} }

2. Plug in your values into the equation.

\frac{4-(-2)}{9-(-7)}

3. Simplify the equation.

m= \frac{3}{8}

4 0
3 years ago
An engineer on the ground is looking at the top of a building. The angle of elevation to the top of the building is 22°. The eng
Pavlova-9 [17]
Let the distance from the engineer to the base of the building be x, then
tan 22 = 450/x
x = 450/tan 22 = 1,113.79

Therefore the distance from the engineer to the base of the building to the nearest foot = 1,114 feet
5 0
3 years ago
Find the unknown sides of the triangle
DedPeter [7]

Answer:

the unknown side of the triangle is 2\sqrt{21}

Step-by-step explanation:

a^2+b^2=c^2

4^2+b^2=10^2

16+b^2=100

b^2=100-16

b^2=84

b=\sqrt{84} or 2\sqrt{21}

7 0
2 years ago
How to find the area of a sector with a sector angle of 72 degrees and a radius of 14 cm​
skad [1K]

Answer:

Exact area: 39.2π cm²

Approximate area: 123.2 cm²

Step-by-step explanation:

The area of a circle is πr².

A full circle can be thought of as a sector of a circle with 360° of central angle. For a sector of a circle with a central angle of n°, multiply the area of the circle by the fraction n°/360°.

The formula for the area of a sector of circle with central angle n° and radius r is

A = (n°)/(360°) × πr²

Here we have n = 72; r = 14 cm

A = (n°)/(360°) × πr²

A = (72°)/(360°) × π × (14 cm)²

A = 39.2π cm² = 123.2 cm²

7 0
1 year ago
5. Order from least to greatest.<br> 4996,<br> 10<br> 48%<br> 3. 41<br> 0.408,<br> 7100
weeeeeb [17]

Answer:

0.408

48%

3.41

10

4996

7100

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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