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WINSTONCH [101]
3 years ago
13

Complete ratio ... i’ll give the brainly thing

Mathematics
1 answer:
Dovator [93]3 years ago
7 0
Whatever the person above said lol
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Solve for x! Please help!
erica [24]

Answer:

<h2>x = 12</h2>

Step-by-step explanation:

ΔADC and ΔCDB are similar (AA). Therefore the sides are in proportion:

\dfrac{AD}{DC}=\dfrac{DC}{DB}

We have AD = 16, DC = x, DB = 9. Substitute:

\dfrac{16}{x}=\dfrac{x}{9}            <em>cross multiply</em>

x^2=(16)(9)\to x=\sqrt{(16)(9)}\\\\x=\sqrt{16}\cdot\sqrt9\\\\x=4\cdot3\\\\x=12

3 0
3 years ago
A car wheel is 56 cm in diameter. A. How far does the car go in one revolution of the wheel?
andre [41]

The car moved 175.84 cm in one revolution

The car has moved 17584 cm in 100 revolutions

<em><u>Solution:</u></em>

Given that car wheel is 56 cm in diameter

diameter = 56 cm

To find: distance traveled in one revolution of wheel

Usually wheel is of circular shape

one revolution of wheel = circumference of circle

<em><u>The circumference of circle is given as:</u></em>

c = 2 \pi r

We know that,

diameter = 2(radius)

d = 2r

<em><u>So the circumference becomes:</u></em>

c = \pi d

substitute \pi = 3.14 and d = 56 cm

c = 3.14 \times 56 = 175.84

Thus the car moved 175.84 cm in one revolution

<em><u>B. How far does it go in 100 revolutions</u></em>

Distance covered in 100 revolutions = 100 x Distance covered in 1 revolution

\rightarrow 100 \times 175.84 = 17584

Thus the car has moved 17584 cm in 100 revolutions

6 0
3 years ago
Mixed number as a decimal. 8 1/10
Anvisha [2.4K]

Answer: 8.1

Step-by-step explanation: How you convert a mixed number into a decimal is taking the whole number (not the fraction part) and putting it in front of the decimal, then you get the fraction's denominator to 10 multiply if needed, then you take the fractions top number and put it after the decimal, Now your converted!

If you need any further help or instruction let me know!

8 0
3 years ago
1. The sign outside Mrs. Washington’s catering company is in the shape of a trapezoid, as shown below.
valentina_108 [34]
The perimeter of the sign is 11 ft
The area of the sign is 7.5ft^2

Hope this helps :)
3 0
3 years ago
Read 2 more answers
Enter the exact product of 5.21 •7.3.
frez [133]

Answer:

3.033

Step-by-step explanation:

5.21*7.3=3.003

6 0
3 years ago
Read 2 more answers
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