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3 years ago

You have a ribbon that is 6 7/8 inches long. You use 2/5 of it on a project. How much ribbon is left?

Mathematics

2 answers:

weqwewe [10]3 years ago

8 0

Answer:

Oof

Step-by-step explanation:idk sorry

Gwar [14]3 years ago

7 0

Answer:

2 3/4 inches or 2.75 inches

Step-by-step explanation:

6 7/8 × 2/5 = 2 3/4

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If 12 > -15, which of the following must be true?

Tcecarenko [31]

Answer:

12 is to the right of -15 on a number line.

Step-by-step explanation:

Hope this helps! - CJ

5 0

3 years ago

40 is 80% of what number?

agasfer [191]

Answer:

Step-by-step explanation:

.80n = 40

n = 40 divided by .80

40/8/10 = 400 / 80 = 50

Best Of Luck,

- I.A. -

6 0

3 years ago

The mathematics department of a college has 6 male professors, 9 female professors, 5 male teaching assistants, and 6 female tea

Hitman42 [59]

Given:

6 male professores

9 female professores

5 male teaching assistants

6 female teaching assistants

Sol:.

$N(A\text{ or B)=N(A)+N(B)-N(A and B)}$

N (professors)

$\begin{gathered} =6+9 \\ =15 \end{gathered}$

N(Male)

$\begin{gathered} =6+5 \\ =11 \end{gathered}$

N(professors and male)

$=6$

N(professors OR male) = N(professors) + N(males) -N(professor OR male)

$\begin{gathered} N(\text{ Professors OR male)=15+11-6} \\ =20 \end{gathered}$

N(People to choose from)

$\begin{gathered} =6+9+5+6 \\ =26 \end{gathered}$

Then probablitiy is:

$\begin{gathered} =\frac{20}{26} \\ =\frac{10}{13} \end{gathered}$

Then the probability is 10/13

6 0

1 year ago

The height of a trapezoid is 18 in. and its area is 96 in square. One base of the trapezoid is 6 inches longer than the other ba

ale4655 [162]

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3 0

3 years ago

Jenna had 45 yards of yarn. She used 1/5 of it for a kitting project. How much yarn did she use

erastovalidia [21]

You want to divide 45 by 5.

45/5= 9

She used 9 yards of yarn for her knitting project.

I hope this helps!
~kaikers

5 0

3 years ago

Read 2 more answers