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3 years ago

The ratio of red cars to blue cars in a parking lot was 9 : 5. If there were 54 red cars, how many blue cars were there?

Mathematics

1 answer:

const2013 [10]3 years ago

6 0

Answer:

there is 30 blue cars.

Step-by-step explanation:

If you know that the 9 in the ratio is the red cars. You would do 54/9=6. Then to find the blue cars you would do 6*5=30 30 is your answer (big brain)

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danny has a trianglular pyramid all triangles are conguent what is the surface area?the height is 6in and the width is 5in

Gre4nikov [31]

Answer: The answer is 60 square inches.

Step-by-step explanation: Given that Danny has a triangular pyramid where all the four triangles are congruent. The height and base of one triangle are 6 inches and 5 inches respectively. We are to find the surface area of the pyramid.

The area of one triangle is given by

$A=\dfrac{1}{2}\times\textup{base}\times\textup{height}=\dfrac{1}{2}\times 5\times 6=15~\textup{sq. inches}.$

Since the pyramid consists of four congruent triangles, so the surface area of the pyramid will be

$S=4\times A=4\times 15=60~\textup{sq. inches}.$

Thus, the answer is 60 sq. inches.

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3 years ago

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Mariah build a tabletop using square tiles there are 12 rows of tiles and 30 tiles in each row how many tiles does Maria use

Stells [14]

$30 \times 12 = 360$
360 because 30×12=360 so it would be 360 b

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3 years ago

How many times does 37 go into 50

elena-s [515]

37 goes into 50 0.74 times

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2 years ago

Factor by grouping <br> x^3+2x^2-9x-18

netineya [11]

Answer:

(x+2)(x+3)(x-3)

Step-by-step explanation:

Group and factor out the greatest common factor (GCF), then combine.

Hope this helps!!

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3 years ago

Help plz!!!!!!!!!!!!!!

olga nikolaevna [1]

2 5/16 divided 7/8

Simplify
(37/16) / (7/8)

When dividing by a fraction flip over the fraction and multiply
(37/16) * (8/7)

Multiply numerators, multiply denominators
296 / 112

Reduce the fraction
37/14

=2 9/14 <------------- answer

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3 years ago

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