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Effectus [21]
3 years ago
6

What is the answer for 4(k-6)-(3k+2)= -5

Mathematics
2 answers:
pychu [463]3 years ago
5 0
1 Simplify brackets
4(k-6)-3k-2=-5

2 Expand
4k-24-3k-2=-5

3 Simplify 4k-24-3k-24k−24−3k−2 to k-26
k-26=-5

4 Add 26 to both sides
k=-5+26

5 Simplify -5+26−5+26 to 21
k=21
Dennis_Churaev [7]3 years ago
3 0
We have 4(k-6)-(3k+2)=-5 and the answer is k=21
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Answer: He invested $350 at 4% and $850 at 5.9%

Step-by-step explanation:

Let x represent the amount which he invested in the account earning 4% interest.

Let y represent the amount which he invested in the account earning 5.9% interest.

Simone invests 1200 into two savings accounts. One account earns 4% annual interest and the other earns 5.9% annual interest. This means that

x + y = 1200

The formula for determining simple interest is expressed as

I = PRT/100

Considering the account earning 4% interest,

P = $x

T = 1 year

R = 4℅

I = (x × 4 × 1)/100 = 0.04x

Considering the account earning 5.9% interest,

P = $y

T = 1 year

R = 5.9℅

I = (y × 5.9 × 1)/100 = 0.059y

At the end of 1 year, Simon earned 64.15 in interest. it means that

0.04x + 0.059y = 64.15 - - - - - - - - -1

Substituting x = 1200 - y into equation 1, it becomes

0.04(1200 - y) + 0.059y = 64.15

48 - 0.04y + 0.059y = 64.15

- 0.04y + 0.059y = 64.15 - 48

0.019y = 16.15

y = 16.15/0.019

y = 850

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Answer:

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Step-by-step explanation:


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The answer would be $43.
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Ray Of Light [21]

Answer:

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Step-by-step explanation:

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Number of friends in the group = Number of cards in the package / Number of cards each friend gets

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8 0
3 years ago
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