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Liula [17]
2 years ago
14

HALP ASAP !!! 10 POINTS

Mathematics
1 answer:
Art [367]2 years ago
5 0

Answer: a

reason:

if you take any of the numbers and plug it in it works

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Elijah's father is 47. He is 17 years older than twice Elijah's age. How old is Elijah?​
ch4aika [34]

Answer:

let Elijah age be a

Then

2*a + 17 =47

2a=47-17

2a=30

a=15

Step-by-step explanation:

4 0
2 years ago
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Taryn is shopping for a Christmas tree. At Home Depot the one she likes is $149.00 and she has a 15% off coupon. At Lowe's the o
Vitek1552 [10]

Answer:

Step-by-step explanation:

At home depot

Price of Christmas tree = $149.00

Discount = 15%

Amount discounted = 15% of $149

Amount discounted = 15/100 * $149

Amount discounted = 15 * 1.49

Amount discounted = $22.35

Amount she paid = $149-$22.35

Amount she paid = $126.65

At Lowe's:

Price of Christmas tree = $175.00

Discount = 260%

Amount discounted = 20% of $175

Amount discounted = 20/100 * $175

Amount discounted = 0.2 * 175

Amount discounted = $35

Amount she paid = $175-$35

Amount she paid at Lowe's = $140

<u><em>From the prices above, it can be seen that Home Depot has a better deal since the price after removing discount is lower than that of Lowe's.</em></u>

<u><em></em></u>

<u><em>Amount she will save will be $140 - $126.65 = $13.35</em></u>

6 0
3 years ago
What number should be added to the expression x2 14x to change it into a perfect square trinomial?.
makkiz [27]

Answer:

  49

Step-by-step explanation:

When you look at the square of a binomial, you see ...

  (x +a)^2 = x^2 +(2a)x +a^2

The constant value (a^2) is <em>the square of half the x-coefficient</em>.

  (14/2)^2 = 49 . . . . the value to be added.

Adding 49 gives ...

  x^2 +14x +49 = (x +7)^2

8 0
1 year ago
If Susan earn 1,800 per month and her rent is 504 per month, what percent of her income is spent on rent?
svetoff [14.1K]
504÷1800=0.28
28% of her income goes to her rent
4 0
3 years ago
Multiply mixed numbers 3 1/2 X 2 1/3
cricket20 [7]

Answer:

8 1/6

Step-by-step explanation:

that is da answer bbbbb

6 0
2 years ago
Read 2 more answers
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