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wlad13 [49]
3 years ago
7

What 18/25 as a percent and decimal

Mathematics
2 answers:
olganol [36]3 years ago
5 0
Decimal:  \frac{18}{25} = 0.72;  18 ÷ 25  = 0.72 

Perecentage: <span /> 18 ÷ 25 = 0.72, now we're converting it a percentage..100 × 0.72 .. So therefore, your answer would have to be 72% 

:) 
marysya [2.9K]3 years ago
5 0

In order to write \frac{18}{25} as a decimal, we need to find a fraction equivalent to\frac{18}{25} with a 100 in the denominator. Notice that if we multiply the numerator and the denominator of \frac{18}{25} by 4, we get the equivalent fraction \frac{72}{100} which we can now write as a decimal. Remember that the hundredths place is 2 places to the right of the decimal point. Therefore, we can write \frac{72}{100} as 0.72.

To write a fraction to a percent, first remember that a percent is a ratio of a number to 100 so to write \frac{18}{25} as a percent, we need to find a fraction equivalent to \frac{18}{25} that has a 100 in the denominator. We can . do this by setting up a proportion.

\frac{18}{25} ≈ \frac{n}{100}

Now, we can use cross products to find the missing value.

25n = 1800

÷ 25     ÷25

n = 72%

Therefore, \frac{18}{25} is equal to 72%.

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Estimate the difference 610-187
otez555 [7]
400 because if you round 610 you will get 600 and if you round 187 you round up to get 200
4 0
3 years ago
Read 2 more answers
Angle a and b are complementary. M angle a equal (5x +2) degrees. Find m angle b. Justify your reasoning. Will mark brainliest !
Pachacha [2.7K]

Answer:

 ∠b = 88 - 5x

Step-by-step explanation:

If a and b are complementary, then sum of two angles is 90

∠a + ∠b = 90

5x + 2 + ∠b = 90

             ∠b = 90 - 5x - 2

             ∠b = 88 - 5x

3 0
3 years ago
Use the table below to find f ( 4) - f (0) + f(-8), Choose your correct response from the options below.
marshall27 [118]

Answer:

-4f

Step-by-step explanation:

Hi! Let's work on simplifying this.

f(4) = 4f

f(0) = 0, because anything x 0 is 0

f(-8) = -8f

Our equation is 4f + -8f

We can get rid of the plus negative...

4f - 8f

So we get:

-4f

6 0
3 years ago
A) explain how you can write and solve equations to find the measure of each angle
Ainat [17]

Answer:

A) For line <em>l = </em>(2x + 8°) + (5x - 10°) = 180° ....... (i)

For line <em>k</em> = (3x + 42°) + (x + 34°) = 180° ....... (ii)

B) In line <em>l, </em>two angles are = 60° and 120°

In line <em>k, </em>two angles are =  120° and 60°

Step-by-step explanation:

Requirement A

To find the measure of each angle, we have to use equation.

According to the graph, line <em>l </em>and<em> k </em>are parallel, therefore, both are straight angle. We know that a straight angle is equal to 180°. Therefore, line <em>l </em>and<em> k </em>are 180°. As both the line are intersected by line <em>j</em>, the lines are separated by two angles. So, the equation for line <em>l</em> is -

(2x + 8°) + (5x - 10°) = 180° ....... (i)

the equation for line <em>k</em> is -

(3x + 42°) + (x + 34°) = 180° ....... (ii)

Requirement B

For line "<em>l </em>"

By solving the equations, we can measure the angles

(2x + 8°) + (5x - 10°) = 180°

or, 2x + 8° + 5x - 10° = 180°

or, 7x - 2° = 180°

or, 7x = 180° + 2°

or, 7x = 182°

or, x = 182° ÷ 7 [Dividing both the sides by 7]

or, x = 26°

Therefore, 2x + 8° = 2 × 26° + 8° = 52° + 8° = 60°

the other angle is = 5x - 10° = 5 × 26° - 10° = 130° - 10° = 120°

For line "<em>k </em>"

(3x + 42°) + (x + 34°) = 180°

or, 3x + 42° + x + 34° = 180°

or, 4x + 76° = 180°

or, 4x = 180° - 76° [Deducting 76° from the both the sides]

or, 4x = 104°

or, x = 104° ÷ 4

Hence, x = 26°

Therefore, 3x + 42° = 3 × 26° + 42° = 78° + 42° = 120°

The other angle is = x + 34° = 26° + 34° = 60°

5 0
3 years ago
I need help with this❓
Amanda [17]
The answer is B because 7 does not evenly fit into 71 so the first box is 10 and the second box is .14285714285714or is simplified.143 or .14
4 0
3 years ago
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