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swat32
3 years ago
8

At which step did Nikita make an error, if at all?

Mathematics
1 answer:
Orlov [11]3 years ago
3 0

in step 2 she made an error

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Twenty-seven is smaller than five times a number increased by seven
JulsSmile [24]

Answer:

27 < 5*n +7

n<4

Step-by-step explanation:

Twenty-seven is smaller than five times a number increased by seven


Increase means add

27 < 5*n +7

Subtract 7 from each side

27-7 <5n+7-7

20 < 5n

Divide by 5

20/5 < 5n/5

4 <n

8 0
3 years ago
A movie theater sells adult and child tickets. An
e-lub [12.9K]

Answer:$52.25

Step-by-step explanation:

8.75x + 6.50y

X = 3, y = 4

(8.75 x 3) + (6.50 x 4)

26.25 +26

$52.25

6 0
3 years ago
Yuki bought a pound of confetti for 12$. What is the price, in dollars, per ounce of confetti?
Likurg_2 [28]

Answer:

Yukio will pay $2 per ounce for the confetti

Step-by-step explanation:

Divide 12 and 16 that equals 0.75 then multiply 0.75 by 2 four times. and you get 2

6 0
2 years ago
Explain how knowing 50 x 4 = 200 helps you find 500 x 400.
Anika [276]
If you do 50 times 4 it’s easier to find 500 times 400 because all you have to do it add 3 more zeros behind 200 making the answer be 200,000.
7 0
2 years ago
Read 2 more answers
Is -9.1234567 rational
Wittaler [7]

The short answer: yes.

Explanation: every rational number can be expressed as, well, a ratio. For instance, 5 can be expressed as 5/1 and 1.75 can be expressed as 7/4. Irrational numbers are not rational. For instance, pi... there is no ration for pi.

8 0
3 years ago
Read 2 more answers
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