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maksim [4K]
2 years ago
10

13 added to the product of an integer and negative 7 is 62

Mathematics
1 answer:
lutik1710 [3]2 years ago
5 0

Answer:

Step-by-step explanation:

(x*-7)+13 = 62

(x*-7) = 62 - 13

x*-7 = 49

x = 49 / -7

x = -7

check work

((-7)*-7)+13 = 62

(49)+13 = 62

62 = 62

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Hope it helps <3

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What is the value of x?
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3 years ago
Need Help Please!!!!!!!
marshall27 [118]

ANSWER

$1,413.81

EXPLANATION

The compound interest formula is given by:

A=P(1+r\%)^t

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3 years ago
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A team of three students are working on a language-learning app; they need to develop 300 micro-lessons and 300 micro-tests befo
Olegator [25]

Answer: a) 15 b)

Step-by-step explanation:

Let X be the number of days:

a)

For LESSONS:

Jordan does 10 / day ( 10*X)

Marco 5 / day ( 5*X)

Junyi 5 / day ( 5*X)

For TESTS:

Jordan does 5 / day ( 5*X)

Marco 10 / day ( 10*X)

Junyi 8 / day ( 8*X)

for each they need a total of 300

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b) 5X+10X = 300 => 15X = 300 => X = 20 days for the tests

so in 20 days they will finish without him

If jordan works 10 hours a day, we just replace him with 10/24

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so at the end to complete both tasks they need 29.58 days

4 0
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