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puteri [66]
4 years ago
12

Jared bought a package of pens containing 20 pens if 3/4 of the pens have black ink how do you determine the number of pens with

black ink
Mathematics
1 answer:
Varvara68 [4.7K]4 years ago
7 0

Answer:

The number of black ink pen are 15 pens.

Step-by-step explanation:

As given

Jared bought a package of pens containing 20 pens.

if\ \frac{3}{4}\ of\ the\ pens\ have\ black\ ink.

Thus

Number\ of\ black\ ink\ pens = \frac{3}{4}\times Total\ number\ of\ pens

Putting the value

Number\ of\ black\ ink\ pens = \frac{3}{4}\times 20

Number of black ink pens = 3 × 5

                                          = 15 pens

Therefore the number of black ink pen are 15 pens.

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NNADVOKAT [17]
What’s your question to ur homework
4 0
2 years ago
Question - Find each f(c) using synthetic substitution. f(x) =5x 5 + 10x 4 + 3x 3 + 8x 2 – 6x – 3; c = 3
SpyIntel [72]

Answer:

2157

Step-by-step explanation:

The given function is

f(x)=5x^5+10x^4+3x^3+8x^2-6x-3

We want to find f(c) when c=3.

This means the remainder when f(x) is divided by x-3

We perform the synthetic division:

    5     10      3      8       -6      -3

<u>3|         15    75    234    726    2160</u>

    5     25    78    242    720    2157

Therefore the remainder is 2157

You are right

7 0
4 years ago
Order the numbers from least to greatest 0.36, 0.3, 0.25, 0.31
Leona [35]

Answer:

0.25, 0.3, 0.31, 0.36

Step-by-step explanation:

0.3 is actually 0.30

After this comparison is simple.

3 0
3 years ago
the ratio of boys to girls in a classroom is 7:5 4 boys are added to the class the ratio is now 1:1 find the total number of gir
OLEGan [10]

Answer:

14

Step-by-step explanation:

7/5. = x/ x- 4 (the ratio to each other is the same)

cross multiply

7x-28 = 5x

simplified: -2x = -28

divide x and -28 by -2

x= 14

x= # of girls

7 0
3 years ago
6/5÷5/9 = what is the answer
liq [111]
6/5 ÷ 5/9 is the same thing as 6/5 × 9/5 so your answer would be 54/25 
7 0
3 years ago
Read 2 more answers
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