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3 years ago

-40= -8c plz and thank u 2 who ever gets this question

Mathematics

2 answers:

olga55 [171]3 years ago

5 0

The answer is C=5 Hope this helps

goldfiish [28.3K]3 years ago

4 0

C=5. As both of the numbers are negative the result will be positive. 40/8=5

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Mailyn loves cookies. She can eat 32 in an hour. Her brother Juan, however, needs 3 hours to eat the same amount of cookies. How

bezimeni [28]

we know that

1) Mailyn can eat 32 cookies in an hour

1 hour is equal to 60 minutes

Find how cookies eats Mailyn in one minute

by proportion

$\frac{32}{60} \frac{cookies}{minutes}= \frac{x}{1} \frac{cookie}{minutes} \\\\ x=32/60\\x=0.53 \ cookies$

2) Juan needs 3 hours to eat 32 cookies

Find how cookies eats Juan in one minute

by proportion

$\frac{32}{180} \frac{cookies}{minutes}= \frac{x}{1} \frac{cookie}{minutes} \\\\x=32/180 \\x=0.18\ cookies$

3) Find how long will it take them to eat 40 cookies together

we know that

Maylin and Juan eats in one minute together ---------> (0.53+0.18)=0.71 cookies

by proportion

$\frac{0.71}{1} \frac{cookies}{minutes}= \frac{40}{x} \frac{cookie}{minutes} \\\\0.71*x=40\\x=56.34 \ minutes$

therefore

the answer is

$56.34\ minutes$

4 0

3 years ago

Write an algebraic expression for the word expression.

kolbaska11 [484]

Answer:

3 + x

Step-by-step explanation:

Sum means to add, so you would just add 3 and x (since they haven't given an actual number and only a variable).

3 0

3 years ago

3x/4 + 3 = 20 yyyyyyyyyyyyyyyyyyyyyyyyyyyyy

Yanka [14]

3x/4+3=20
<=> 0.75x +3 =20
<=> 0.75x = 17
<=> x = 68/3

3 0

3 years ago

A construction crew is lengthening a road that originally measured 45 miles. The crew is adding one mile to the road each day. L

neonofarm [45]

The equation would be L = 1d + 45
After 21 days it would be
L = 1(21) +45
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5 0

4 years ago

In a recent survey, 60% of dads prefer to watch football on TV. 40% prefer to watch basketball. If 200 dads were surveyed, how m

MatroZZZ [7]

Given :

60% of dads prefer to watch football on TV.

40% prefer to watch basketball.

To Find :

If 200 dads were surveyed, how many more preferred football to basketball.

Solution :

Number of dad prefer football over basketball is :

$N = 200\times \dfrac{60}{100}\\\\N = 120$

Therefore, 120 dad's prefer football over basketball.

8 0

3 years ago