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laila [671]
3 years ago
13

Which shows two expressions that are equivalent to (-7)(-15)(-5)?

Mathematics
1 answer:
Svet_ta [14]3 years ago
3 0
Your correct answer will be...D
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Invest $6,300 in two different accounts the first account paid 11% the second account paid 6% in interest at the end of the year
MAVERICK [17]

Answer: he invested $5300 at 11% and $1000 at 6%

Step-by-step explanation:

Let x represent the amount which he invested in the first account paying 11% interest.

Let y represent the amount which he invested in the second account paying 6% interest.

He Invest $6,300 in two different accounts the first account paid 11% the second account paid 6% in interest. This means that

x + y = 6300

The formula for determining simple interest is expressed as

I = PRT/100

Considering the first account paying 11% interest,

P = $x

T = 1 year

R = 11℅

I = (x × 11 × 1)/100 = 0.11x

Considering the second account paying 6% interest,

P = $y

T = 1 year

R = 6℅

I = (y × 6 × 1)/100 = 0.06y

At the end of the year, he had earned $643 in interest , it means that

0.11x + 0.06y = 643 - - - - - - - - - -1

Substituting x = 6300 - y into equation 1, it becomes

0.11(6300 - y) + 0.06y = 643

693 - 0.11y + 0.06y = 643

- 0.11y + 0.06y = 643 - 693

- 0.05y = - 50

y = - 50/ - 0.05

y = 1000

x = 6300 - y = 6300 - 1000

x = 5300

7 0
3 years ago
The bumper car ride at the state fair has three red cars,four green cars,and two blue cars.Joe is first in line for the ride and
sp2606 [1]
The answer is B.33.3%
7 0
3 years ago
What are factorials? And how do you do them in fractions like
Ket [755]
I think that it is 54
4 0
3 years ago
Elizabeth swims 50 feet in ten seconds. Jesse swims 110 feet in 20 seconds.
erica [24]

Answer: Jesse

Step-by-step explanation:

Elizabeth - 50f/10s

Jesse - 55f/10s

Reagan - 53.3333333/10s

Jesse is the fastest

5 0
3 years ago
Read 2 more answers
What is 6+6+6+6+6+6= ?
IRINA_888 [86]

Answer:

36

Step-by-step explanation:

6x6

5 0
2 years ago
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