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Nostrana [21]
3 years ago
5

70% of what number is 28?

Mathematics
2 answers:
MArishka [77]3 years ago
4 0

Answer:

40

Step-by-step explanation:

70% × ? = 28

70% × ? = 28

? =

28 ÷ 70% =

28 ÷ (70 ÷ 100) =

(100 × 28) ÷ 70 =

2,800 ÷ 70 =

40 plz mqrk brainliest

gayaneshka [121]3 years ago
3 0
70% of 28 = 19.6
70% = 0.7
0.7/28 = 19.6
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Answer:

y+1=-13(x-6)

Step-by-step explanation:

Point-slope form is denoted by: y-y_1=m(x-x_1), where (x_1,y_1) is the point and m is the slope.

Here, we know that our point is (6, -1) and the slope is -13. That means that x_1=6, y_1=-1, and m = -13. So plug these in:

y-y_1=m(x-x_1)

y+1=-13(x-6)

And, that's the answer: y+1=-13(x-6).

<em>~ an aesthetics lover</em>

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A cone has a circular base with a diameter of 18 inches. The height of the cone is 40 inches. What is the approximate lateral ar
aliya0001 [1]

The approximate lateral area of the circular cone with has the base diameter 18 in and height 40 in long is 1,159 square inches

<h3>What is the lateral area of cone?</h3>

Lateral area of the cone is the area bounded by the surface of the cone, and this Lateral area of the cone can be found out using the following formula.

A=\pi r\sqrt{h^2+r^2}

here. (<em>h</em>) is the height of the cone and (<em>r</em>) is the radius of the cone.

A cone has a circular base with a diameter of 18 inches. The height of the cone is 40 inches.

Put these values in the above formula as,

A=(3.14) (9)\sqrt{40^2+9^2}\\A\approx1159\rm \; in^2

Hence, the approximate lateral area of the circular cone with has the base diameter 18 in and height 40 in long is 1,159 square inches

Learn more about the lateral area of the cone here:

brainly.com/question/858717

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3 years ago
Find the vale of x and explain.
tekilochka [14]

Answer:

x=37

Step-by-step explanation:

You know all the angles in a triangle add up to 180.

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Then you subtract 180 and 143 which equals 36.

[72+71=143

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I hope this helps you!

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3 years ago
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