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Paraphin [41]
3 years ago
6

Solve for x. (Similar Triangles)

Mathematics
1 answer:
natali 33 [55]3 years ago
7 0
That’s a 90 degree angle. Is that what you need to find?
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Complete the following equations . Round each value to the nearest thousandth.
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Please help me<br> Solve for x.<br> a) 30<br> b) 27<br> c) 33
OlgaM077 [116]

Answer:

x = 27

Step-by-step explanation:

The angle at any point on a straight line is 180 degrees.

The middle line over there is creating a right angle which is 90 degrees.

This must mean that both sides are 90 degrees.

3x+9 = 90

3x = 81

x = 27

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If we take 1200 as the 100%, how much percentage is 700 of it?

well \bf \begin{array}{ccllll}&#10;amount&\%\\&#10;\textendash\textendash\textendash\textendash\textendash\textendash&\textendash\textendash\textendash\textendash\textendash\textendash\\&#10;1200&100\\&#10;700&x&#10;\end{array}\implies \cfrac{1200}{700}=\cfrac{100}{x}\implies x=\cfrac{700\cdot 100}{1200}&#10;\\\\\\&#10;x=\cfrac{175}{3}

so, (175/3)% or roughly 58.3%

now, how much is (175/3)% of 15000 ?
well, if we take 15000 as the 100%
then   \bf \begin{array}{ccllll}&#10;amount&\%\\&#10;\textendash\textendash\textendash\textendash\textendash\textendash&\textendash\textendash\textendash\textendash\textendash\textendash\\&#10;15000&100\\&#10;x&\frac{175}{3}&#10;\end{array}\implies \cfrac{15000}{x}=\cfrac{100}{\frac{175}{3}}&#10;\\\\\\&#10;\cfrac{15000\cdot \frac{175}{3}}{100}=x\implies \cfrac{5000\cdot 175}{100}=x
6 0
3 years ago
Which expression is equivalent to 4/9 times 7
11111nata11111 [884]

Answer:

4/9 * 7 =3.11111111

Step-by-step explanation:

4/9 * 7 =3.11111111

8 0
3 years ago
Read 2 more answers
Louis brings 79 pencils to school. After he gives each of his 15 classmates an equal number of pencils, he will give any leftove
slavikrds [6]

Answer:

a. 4\ pencils

b. His teacher will receive more pencils (See explanation).

Step-by-step explanation:

a. The total number of pencils Louis brings to school is:

total\ pencils=79

Then, in order to calculate the number of pencils Louis’s teacher will receive after he gives each of his 15 classmates an equal number of pencils, you need to solve the division show in the picture attached.

Notice that the remainder obtained is: 4.

<em>This means that Louis’s teacher will receive 4 pencils.</em>

b. If Louis decides instead to take an equal share of the pencils along with his classmates, his teacher will receive more pencils; because the amount of pencils each classmate will receive will be less. This means that the number of pencils leftover will increase, leaving more pencils for his teacher.

4 0
3 years ago
Read 2 more answers
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