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lana [24]
2 years ago
13

A set of shapes has a 1:3 ratio of squares to circles. Which set of shapes has this ratio?

Mathematics
1 answer:
34kurt2 years ago
8 0

Answer:

3:9 ratio of squares to circles

Step-by-step explanation:

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PLEASE I NEED HELP!!!!!
AVprozaik [17]

Answer:

113.1 =VOLUME , 4/3 X 3.14 (3) ^3 = 113.1

7 0
3 years ago
How can 1% of 800 be used to determine 28% of 800? Enter your answers in boxes to correctly complete the statement.
mote1985 [20]

Answer:

1% of 800 is the unit rate, with the unit rate you can find any percent. such as 28%

Step-by-step explanation:

5 0
3 years ago
Why can you use cross products to solve the proportion StartFraction 18 over 5 EndFraction = StartFraction x over 100 EndFractio
gtnhenbr [62]

9514 1404 393

Answer:

  it is application of the multiplication property of equality

Step-by-step explanation:

You can use "cross products" to solve any proportion. What looks like a "cross product" is just application of the multiplication property of equality. That property says the variable value is unchanged if both sides of the equation are multiplied by the same value.

For your fraction, the "cross product" is what you get when you multiply both sides of the equation by 500.

  \dfrac{18}{5}=\dfrac{x}{100}\qquad\text{given}\\\\\dfrac{18\cdot5\cdot100}{5}=\dfrac{x\cdot5\cdot100}{100}\qquad\text{multiply by $5\cdot100$}\\\\18\cdot100=5\cdot x\qquad\text{cancel common factors; looks like cross product}

__

Note that the next step here is to divide by the x-coefficient, the 5 that was in the left-side denominator.

  \dfrac{18\cdot100}{5}=x\qquad\text{divide by 5}

Please also note that this is exactly the same result you would get by multiplying the original equation by the original denominator of x.

8 0
3 years ago
Which equation can be used to solve for b? Triangle A B C is shown. Angle A C B is 90 degrees and angle C B A is 30 degrees. The
STALIN [3.7K]

Answer:

b=(8)tan(30\°)

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

In the right triangle ABC, the tangent of angle of 30 degrees is equal to divide the opposite side to the angle of 30 degrees (AC) by the adjacent side to the angle of 30 degrees (BC)

tan(30\°)=AC/BC

substitute the given values

tan(30\°)=b/8

Solve for b

b=(8)tan(30\°)

8 0
3 years ago
Read 2 more answers
Is 1 1/2 closer to 1 or 2?
sukhopar [10]

Answer: 2

Step-by-step explanation: Since 11/2 is bigger than 1 whole it should be 2 or more. since 2 can go into 11 5.5 times.

8 0
3 years ago
Read 2 more answers
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