3 years ago

A box contains 7 black pencils and 28 blue onew what is the ratio between the black and blue pens

Mathematics

1 answer:

Ivenika [448]3 years ago

6 0

Answer:

1 : 4

Step-by-step explanation:

7 black : 28 blue = 7/28 ---> reduces to 1/4 ---> 1 : 4

You might be interested in

Solve the exponential equation. Use a calculator to obtain a decimal approximation, correct to two decimal places, for the solut

IRISSAK [1]

$e^x=3.4\\
x=\ln 3.4\approx1.22\\\\
2^x+6=3\\
2^x=-3\\
x\in\emptyset$

4 0

3 years ago

I REALLY NEED HELP! △DLZ∼△MYR What is YR? (Picture Included!)

o-na [289]

Answer:

YR = 33.6 in.

Step-by-step explanation:

△DLZ∼△MYR

LZ / DZ = YR / MR

21/18 = YR / 28.8

7 / 6 = YR / 28.8

YR = 7 * 28.8 / 6

YR = 33.6

6 0

4 years ago

Amina was asked to write the prime factorization of 525

ioda

Answer:

Prime factorization of 525 is 3×5×5×7

6 0

3 years ago

Read 2 more answers

I need help with this problem

marishachu [46]

True

∠2 and ∠5 are both vertical at the vertex of the 2 straight lines

7 0

3 years ago

Hilida spent 47$ and know has no money left she had blink before her purchase

Bas_tet [7]

Answer:

$47

Step-by-step explanation:

If she spent 47, and had none after, she spent 47.

8 0

4 years ago