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Aleonysh [2.5K]
3 years ago
10

Solve for x:

Mathematics
1 answer:
Fantom [35]3 years ago
3 0

2x + 6 + 3x + 12 = 33

5x + 18 = 33

5x = 33-18

5x = 15

therefore x=3

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nlexa [21]
If the temperature drops 35 degrees everyday for 7 days, you would have to add -35 + -35 + -35 +-35 + -35 + -35 + -35, since each day it drops the temperature would be -35, now the answer would be -245.

Hopefully this helped. :)
8 0
3 years ago
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Two positive integers have a sum of 23 and a product of 126. Find the two numbers.
meriva

Answer:

SUBTRACT

Step-by-step explanation:

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3 years ago
Write two equivalent fractions for 56/64
Aleksandr-060686 [28]

Answer:

7/8 and 14/16

Step-by-step explanation: for the first one just divide by 8 for the second one divide by 4

4 0
2 years ago
Wendy and Connor each deposit 8,300 into accounts that earn 3.5% interest for 25 years Wendy's account earns annual simple inter
Burka [1]

Answer:

Connor will earn more interest because he is getting compound interest.

Step-by-step explanation:

I have to assume in this case that the interest is 3.5% Per year:

Simple Interest = P(r + t)

{P = Principle, r = interest rate, t = time)

Wendy = $8,300 x (3.5% x 25)

Wendy = $7,262.50 (2 d.p)

Wendy = $8,300 + $7,262.50

Wendy = $15,562.50

Compound Interest = P (1 +r )^{t}

{P = Principle, r = interest rate, t = time)

Connor = $8,300 x (1 + 0.035)^{25}

Connor = $19,614.93

Wendy's Interest = $15,562.50 - $8,300 = $7,262.50

Connor's interest = $ 19,614.93 - $8,300 = $11,314.93

<em><u>Connor earned more interest by $4,052.43</u></em>

<em><u /></em>

<u>___________________________________________________</u>

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Hope this helps!

PLEASE MARK AS BRAINLIEST :)

Have a good day :)))))

7 0
3 years ago
Please help me with this anyone I beg
Ilia_Sergeevich [38]

Answer:

A)336

B) In how many ways can you arrange 8 people in 3 different chairs?

C) 21

D) You want to buy 3 cartoon books from a book store that has 7 cartoon books. In how many ways can you select?

Step-by-step explanation:

A) P(n, r) = P(8, 3)

Formula for permutation is;

P(n, r) = n!/(n - r)!

P(8, 3) = 8!/(8 - 3)!

P(8, 3) = (8 × 7 × 6 × 5!)/5!

5! will cancel out to give;

P(8, 3) = (8 × 7 × 6)

P(8, 3) = 336

B) In how many ways can you arrange 8 people in 3 different chairs?

C) C(n, r) = C(7, 2)

Formula for combination is;

C(7, 2) = n!/(n - r)!r!

Thus;

C(7, 2) = 7!/(7 - 2)!2!

C(7, 2) = (7 × 6 × 5!)/(5! × 2 × 1)

5! will cancel out to give;

C(7, 2) = 7 × 6/2

C(7, 2) = 21

D) You want to buy 3 cartoon books from a book store that has 7 cartoon books. In how many ways can you select?

8 0
2 years ago
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