3 years ago

5 more than the product of a number and 4 is equal to 3 use variable y for unknown number

Mathematics

1 answer:

Inessa05 [86]3 years ago

8 0

Answer:

$(y + 4) + 5 = 3 \\ y + 9 = 3 \\ y = - 6 \\$

I'm not sure

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What is (-3 3/4) - (2 1/4)?

lisabon 2012 [21]

Answer: $-6$

Step-by-step explanation:

Rewrite the expression:

$-3\frac{3}{4}-2\frac{1}{4}$

Factor out the negative:

$-3\frac{3}{4}-2\frac{1}{4}$

$-(3\frac{3}{4} +2\frac{1}{4})$

Rewrite the sum:

$-(3\frac{3}{4} +2\frac{1}{4})$

$-((3+2)+(\frac{3}{4}+\frac{1}{4}))$

Calculate the sum:

$-((3+2)+(\frac{3}{4}+\frac{1}{4}))$

$-(5+1)$

Solve:

$-(5+1)$

$-6$

Please mark brainliest if this helped you :)

3 0

3 years ago

Cheryl is buying lace for her dance costume. One foot of lace costs 3 dollars. How much does each amount cost?

NemiM [27]

Answer:

3/4 of a foot will cost $2.25.

Step-by-step explanation:

This question is solved by rule of three, due to proportions.

One foot of lace costs 3 dollars. How much is 3/4 of a foot going to cost?

1 foot - 3 dollars

3/4 foot - x dollars

$x = 3 \times \frac{3}{4} = \frac{9}{4} = 2.25$

3/4 of a foot will cost $2.25.

7 0

3 years ago

I need help...... someone plzzz help

bagirrra123 [75]

The answer is 58 and 39

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3 years ago

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If a person rides their bike 40 miles in 5 hours, then they rode their bike at a speed of ___ Mph?

monitta

Answer:

8 mph

Step-by-step explanation:

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3 years ago

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Dominic spent 2 3/4 hours on his art project. Rachel worked 1 1/3 times as long on her art project as Dominic worked. For how ma

12345 [234]

Answer:

Step-by-step explanation:

Rachel worked for 3 2/3 hours.

Multiply the fractions to get the answer.

2 3/4 x 1 1 /3 is 3 2/3.

Hope it helps you :D

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3 years ago