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Irina-Kira [14]
3 years ago
11

PLEASE ANSWER FOR 15 POINTS!!

Mathematics
1 answer:
gavmur [86]3 years ago
7 0
Ok, the equation should be like this:
Let c be the cost of each cookie
50c-20>60
When you solve it, c>1.6
Which means that each cookie should be sold for an amount more than $1.60
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What is the difference between a random and biased sample?
emmainna [20.7K]
Random probably wont go with other people said, biased may go for what has most reviews
3 0
3 years ago
Tiffany used to live 15 kilometers away from the school, but after she moved she now lives 9.9 kilometers away. She is _____ per
valkas [14]

Answer:

Tiffany is 34% closer to the school.

Step-by-step explanation:

Given the statement: Tiffany used to live 15 kilometers away from the school, but after she moved she now lives 9.9 kilometers away.

She lived away from the school = 15 km

as, she moved 9.9 km away.

Now, the distance closer to school from where she lived = 15 -9.9 = 5.1 km

To, find how much percent she is closer to school.

Percent states that a number or ratio expressed as a fraction of 100.

percent = \frac{5.1}{15} \times 100 = \frac{51 \times 100}{150} = \frac{51 \times 10}{15}

Simplify:

percent closer to school = 34%

Therefore, she is 34% closer to the school.



5 0
3 years ago
What is the value for m and n?
Inga [223]

Answer:

M = 8 N = 10

Step-by-step explanation:

Multiplying exponents adds the exponent, meaning that inside of the brackets, it is a^4 * b^5. Multiply the exponents by two because you are squaring the entire equation. Therefore, m=8 and n=10

7 0
2 years ago
Why is 6/11=x/33 not a proportion
sertanlavr [38]

6/11=x/33 is not a proportion because they aren't equal to each other.

6 0
3 years ago
Keith weighs 20 kg more than Beth,while henry weighs 30kg less than twice as much as Beth. If Keith and Henry weigh the same, ho
dybincka [34]

Answer:

50kg

Step-by-step explanation:

K = Keith  B = Beth  H = Henry

K = 20 + B

H = 2B - 30

K = H

20 + B = 2B - 30

B = 50kg

3 0
3 years ago
Read 2 more answers
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