2 years ago

What is 1/2 + blank = 7/8?

Mathematics

1 answer:

kap26 [50]2 years ago

7 0

Answer: 3/8
Explanation: You need to write all the numerators above the least common denominator, 8.
7-4/8

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F(x) = -2x + 5<br> f ( ) = 13

scZoUnD [109]

Answer:

Okay, I haven't done this a long time however I believe with this you have to solve the equation by doing substitution.

Step-by-step explanation:

so, if f (x) equals 13, you replace the x in the equation to 13.

f(x)=-2x+5

f(x)=-2(13)+5

f(x)=26+5

f(x)=31

I believe 41 would be your answer. Hope this is right and it helped!

4 0

4 years ago

Write an algebraic expression to answer each question do this on a sheet of paper

Korolek [52]

Hello.

In 10 years, his age will be

$\mathrm{z+10}$

The sum of his current age and 10 equals his age in 10 years.

2 years ago his age was

$\mathrm{z-2}$

The difference of his current age and 2 equals his age 2 years ago.

7 years ago his age was

$\mathrm{z-7}$

The difference of his current age and 7 equals his age 7 years ago.

Therefore, his age after 10 years will be $\mathrm{z+10}$ , his age 2 years ago was $\mathrm{z-2}$ , and his age 7 years ago was $\mathrm{z-7}$

I hope it helps.

Have a nice day.

$\boxed{imperturbability}$

4 0

2 years ago

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Find slope plz!!!!ty

irga5000 [103]

Answer:

the slope is 3/5

Step-by-step explanation:

$\frac{10-7}{5-0} =\frac{3}{5}$

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3 years ago

State the extremes of the proportion below. 4/7=12/x

yKpoI14uk [10]

$\frac{4}{7} = \frac{12}{x} \\ \\ 1. \: \frac{4}{7}x = 12 \\ \\ 2. \: \frac{4x}{7} = 12 \\ \\ 3. \: 4x = 12 \times 7 \\ \\ 4. \: 4x = 84 \\ \\ 5. \: x = \frac{84}{4} \\ \\ 6. \: x = 21$

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3 years ago

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Darnell has 8 coins worth $1.80. If the coins are all quarters and nickels, how many quarters and nickels does he have?

Rudiy27

Answer:

7 quarters 1 nickel

Step-by-step explanation:

7 x.25= 1.75

1.75+ .05= 1.80

3 0

3 years ago