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DENIUS [597]
3 years ago
5

When 19 is added to one-quarter of a number, the result is 40. What is the number?

Mathematics
2 answers:
Kaylis [27]3 years ago
6 0

Answer:

5.25

Step-by-step explanation:

1. 19 + 1/4x =40

2. 1/4x=40-19

3. 1/4x=21

4. x= 21/1/4

5. x= 5.25

Alborosie3 years ago
4 0
84. Subtract 19 from 40 and multiply that number times the reciprocal of 1/4... which is 4
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372 picoseconds equal to how many femoseconds
Vlad1618 [11]

Answer:

372,000 femtoseconds

Step-by-step explanation:

<u>1 picoseconds = 1000 femtoseconds</u>

372 picoseconds = 1000 * 372 femtoseconds

1000 * 372

372,000

Answer:  372,000 femtoseconds

5 0
2 years ago
Solve for Y please help me
spayn [35]

Answer:

y = j - rx/c

Step-by-step explanation:

8 0
2 years ago
What is the value of the expression?
Kamila [148]
Must do multiplication first....
-2/5 - 3/7 x 7/10
-2/5 - 21/70 (I'll reduce 21/70)
-2/5 - 3/10
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7 0
3 years ago
What is the area of this figure?<br> Enter your answer in the box below.​
viva [34]

Answer:

A = 81 m²

Step-by-step explanation:

The formula for area of the parallelogram is

 A = LH         where L is the length of the base, and H is the height

L is given as 9, and H is given as 5, so

 A = (9)(5) = 45 m²

The are of the triangle is

 A = (1/2)bh         where b is the base and h is the height

b is given as 9.  Its's 9 because that side of the parallelogram is parallel to the base of the parallelogram and is also equal in measure.  The height of the triangle is give as 8, so the area is..

 A = (1/2)(9)(8)

       A = 36  m²

The total area is

45 m² + 36 m² = 81 m²

8 0
3 years ago
Alice is paying her bill at a restaurant. The tax on the cost of her meal is 5%. She decides to leave a tip of 20% of the cost o
AnnyKZ [126]
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6 0
2 years ago
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