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Zina [86]
3 years ago
9

Answer these and show your work PLEASE AND THANK YOU ASAP

Mathematics
1 answer:
neonofarm [45]3 years ago
7 0

Answer:

Step-by-step explanation:

Download pdf
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Alvin is 7 years younger than Elgas. The sum of their ages is 63. What is Elgas age?
Elden [556K]

Answer:

Elgas is 35.

Step-by-step explanation:

Let's set up an equation.

Alvin is 7 years younger than Elgas.

A = E - 7

The sum of their ages is 63.

A + E = 63

Let's use substitution.

Plug in the first equation of A into the second equation.

A + E = 63

(E - 7) + E = 63

Combine like terms.

2E - 7 = 63

Add 7 to both sides.

2E = 70

Divide both sides by 2.

E = 35

Elgas is 35.

Hope this helps!

6 0
3 years ago
Round to the nearest Tenth.
choli [55]
26.04 I think I am not really sure what the question is asking
3 0
2 years ago
Find the greatest common factor
timama [110]

<u>answers to 1 - 4:</u>

1.<em> </em><em>GCF: </em>2

2. <em>GCF:</em> 3

3. <em>GCF : </em>7

4.<em> GCF:</em> 3


4 0
3 years ago
The area of a rectangle is 42 square feet.
Alchen [17]

Answer:

26 ft and 46 ft.

Step-by-step explanation:

The prime  factors of 42 are 2 * 3 * 7.

Possible lengths and widths  are:

L = 7, W = 6 giving a perimeter of  2*7 + 2*6 = 26 ft.

L = 14 , W = 3  giving perimeter = 34 ft.

L = 21, W = 2 giving perimeter = 46 ft.

3 0
3 years ago
On the first day of vacation, you read one-quarter of a novel. On the second day, you read half of the remaining pages. On the t
OverLord2011 [107]

The computation shows that the number of pages is 320.

The number of pages read in this second day will be 120.

<h3>How to illustrate the information?</h3>

Fraction read on first day = 1/4

Fraction news on second day = 1/2 × 3/4 = 3/8

Fraction read on last day = 1 - (1/4 + 3/8) =3/8

The number of pages that the book has will be:

= 3/8 × x = 120

0.375x = 120

x = 120/0.375

x = 320

The number of pages is 320.

b. The number of pages read on this second day will be:

= 3/8 × 320

= 120

Learn more about computations on:

brainly.com/question/4658834

#SPJ1

4 0
2 years ago
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