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8_murik_8 [283]
3 years ago
9

What can you add to 70 to make 90

Mathematics
2 answers:
Morgarella [4.7K]3 years ago
5 0
What is one way to represent 19
Anna11 [10]3 years ago
3 0
X + 70 = 90
x = 90 - 70
x = 20 <== u can add 20 to 70 to get 90
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Е<br> 15 in.<br> 1.<br> 12 in.<br> Find l.<br> l = √ [?] in
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If the diameter is 12 inches and height be 15 inches then the slant height be 16.15 inches.

Given that the diameter be 12 inches and the height be 15 inches.

We are required to find the length of slant height.

The slant height of an object  is basically a distance measured along a lateral face from the base  along the "center" of the face.

We are given diameter be 12 inches so we have to first find the radius.

Radius=12/2   (Diameter is equal to twice the radius)

Radius=6 inches

Slant height is given as under:

l^{2} =r^{2} +h^{2}

Slant height=\sqrt{(6)^{2} +(15)^{2} }

=\sqrt{36+225}

=\sqrt{261}

=16.15 inches

Learn more about slant height at brainly.com/question/6613758

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2 years ago
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Step-by-step explanation:

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3 years ago
What is the decimal that is equivalent to the fraction 9/10​
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Answer:

0.9

Step-by-step explanation:

To convert a fraction to a decimal, divide the numerator by the denominator.

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3 years ago
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The population of bulgaria has been decreasing at an annual rate of 0.89%. if the population of bulgaria was about 7,450,349 peo
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Step-by-step explanation:

8 0
2 years ago
Use linear approximation, i.e. the tangent line, to approximate 1/0.201 as follows: Let f (x) = 1/x and find the equation of the
yuradex [85]

Answer:

f(0.201) ≈ 4.975  

Step-by-step explanation:

1. Calculate the position of the point and the slope of the tangent

f(x) = \dfrac{1}{x}\\\\f'(x) = -\dfrac{1}{x^{2}}

When x = 0.2

f(0.2) = \dfrac{1}{0.2} = 5\\\\f'(0.2) = - \dfrac{1}{0.2^{2}} = -\dfrac{1}{0.04} = -25

So, the point is at (0.2, 5) and the slope of the tangent is -25.

2. Calculate the equation of the tangent line

y = mx+ b

Substitute the coordinates of the point

5 = -25×0.2 + b

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The equation of the tangent line is

y = -25x + 10

3. Calculate y when x = 0.201

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4. How good is the approximation?

The actual value of f(0.201) is 4.975 124 …

\text{Percent error} = \dfrac{0.000124}{4.975124} \times 100 \, \% = \mathbf{0.0025 \, \%}

4 0
3 years ago
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