3 years ago

What should be done to both sides of the equation in order to solve w - 9 = 15? Add 15. Subtract 15. Add 9. Subtract 9.

Mathematics

1 answer:

tia_tia [17]3 years ago

5 0

That would be add 9:-

w - 9 + 9 = 14 + 9

w + 0 = 23

w = 23

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N/8= 25/40 N/20=85/100 2/3=16/n 5/6=25/n

4vir4ik [10]

N/8 = 25/40
40n = 25 * 8
40n = 200
n = 200/40
n = 5

n/20 = 85/100
100n = 85 * 20
100n = 1700
n = 1700/100
n = 17

2/3 = 16/n
2n = 16 * 3
2n = 48
n = 48/2
n = 24

5/6 = 25/n
5n = 25 * 6
5n = 150
n = 150/5
n = 30

3 0

3 years ago

144 flowers in a vase the ratio of yellow to pink flowers is 5 to 6 how many yellow flowers are in the vase

azamat

$\frac{5}{11} \times 144 \: is \: the \: amount \: of \: yellow \: flowers \\ \\ \frac{5}{11} \times 144 = 65.45 = 65$
therfore there is 65 yellow flowers

4 0

3 years ago

Solve for x A. 9 B. 10 C. 42 D. 12

Cloud [144]

Answer:

Option D, 12

Step-by-step explanation:

4x-8=80/2

or, 4x-8=40

or, 4x=48

or, x=12

4 0