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2 years ago

-1/5a+21=23 whats the answer

Mathematics

2 answers:

katrin [286]2 years ago

7 0

-a+105=115
-a= 115-110
-a=10
divide both sides by -1
answer : a=-10

sp2606 [1]2 years ago

6 0

Answer:

A = -10

Step-by-step explanation:

Combine multiplied terms into a single fraction find common denominator etc etc.

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Lexi picked 2 7/10 pounds of strawberries. That afternoon, Lexi’s sister ate 7/8 of the strawberries. How many pounds of strawbe

gavmur [86]

3 $\frac{3}{35}$ pound of strawberry

Step-by-step explanation:

Given parameters:

Pounds of strawberry picked by Lexi =2 $\frac{7}{10}$

Pounds of strawberry eaten by Lexi sister = $\frac{7}{8}$

Unknown:

Pound of strawberry Lexi's sister ate = ?

Solution:

This is a fraction word problem.

Let pound of strawberry eaten by Lexi's sister = K

We can establish that:

Pound of strawberry eaten by Lexi sister x K = Pound of strawberry picked by Lexi

Mathematically we have:

$\frac{7}{8}$ x K = 2 $\frac{7}{10}$

Learn more:

fractions brainly.com/question/1757979

#learnwithBrainly

K = $\frac{27 x 8}{10 x 7}$ = $\frac{216}{70}$

K = 3 $\frac{3}{35}$ pound of strawberry

8 0

3 years ago

I need help with this I got -10 is it right??

Dahasolnce [82]

Answer:

-14

Step-by-step explanation:

difference between -20 and -5 = 15

15 x 2/5 = 30/5 = 6

-20 + 6 = -14

7 0

3 years ago

Solve please and SHOW UR WORK

Ksenya-84 [330]

Answer:

1.3x

Step-by-step explanation:

X=1

1+0.3=1.3 (don't forget to add 'X')

So, the answer is 1.3x

hope this helps!

8 0

3 years ago

Your total comes out to be $7.33 then the sales tax is 3% how much was the sales tax

Snowcat [4.5K]

Answer:

40.00

Step-by-step explanation:

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3 years ago

How much more does $1,000 earn in eight years, compounded daily at 3%, than $1,000 over eight years at 3%, compounded semiannual

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Answer:

Step-by-step explanation:

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3 years ago