3 years ago

Which number line represents 3-5?

Mathematics

1 answer:

kiruha [24]3 years ago

3 0

Answer:

please rewrite the question cause it seems unclear!

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The ratio of North American butterflies to South American butterflies at a butterfly park is 5:3. The ratio of South American bu

Natalija [7]

Answer: There are 12 European butterflies.

Step-by-step explanation:

Let be "s" the number of South American butterflies at the butterfly park.

Since the ratio of North American butterflies to South American butterflies at a butterfly park is 5:3 and the number of North American butterflies at the butterfly park is 30, you can write the folllowing proportion:

$\frac{5}{3}=\frac{30}{s}$

Solving for "s", you get:

$(s)(\frac{5}{3})=30\\\\s=(30)(\frac{3}{5})\\\\s=18$

Let be "e" the number of European butterflies at the butterfly park.

Knowing that the ratio of South American butterflies to European butterflies at the butterfly park is 3:2, and since there are 18 South American butterflies, you can write the following proportion:

$\frac{3}{2}=\frac{18}{e}$

Solving for "e", you get:

$(e)(\frac{3}{2})=18\\\\e=(18)(\frac{2}{3})\\\\e=12$

4 0

4 years ago

Planes T and X are parallel. Plane T contains line a. Plane X contains line bWhich best explains the relationship between lines

Marizza181 [45]

They have the same slope

9 0

3 years ago

Read 2 more answers

Can someone help me with 3c-8d=12 for c

Firdavs [7]

3c=12+8d
c=12+8d/3
c=4(3+2d)/3

6 0

3 years ago

Please help me because I don't understand this

Nesterboy [21]

The answer should be 3.5 (sorry if i'm wrong) You list the numbers from lowest to highest and then subtract the third quartile from the first quartile.

4 0

3 years ago

Jon has to pay $7.50 admission for the skating ring and $1.50 per hour to rent rollerblades.write an equation for the cost (y) b

e-lub [12.9K]

Here is one equations.

y = 1.50x + 7.50

7 0

4 years ago