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3 years ago

What is 4(-2)+(-3)(-5)?

Mathematics

2 answers:

Svetlanka [38]3 years ago

8 0

I say that the answer is 7 bc it’s -8+15

Degger [83]3 years ago

5 0

Answer is 7

-8 + (15) =7

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Wirte an inequality to comepare the ratios 2/4 and 5/6

polet [3.4K]

The inequality is < so 2/4 < 5/6.

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3 years ago

Graph the linear equation find three points that solve the equation then plot on the graph -3y=-x-7

Ira Lisetskai [31]

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3 years ago

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1/3(33x +15) - 1/3 ( 21x +18) =10

inn [45]

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3 years ago

Evaluate: 955-105 x 4 +118

drek231 [11]

Answer: −420x+1073

Step-by-step explanation:

Let's simplify step-by-step.

955−105x(4)+118=955+−420x+118

Combine Like Terms:

=955+−420x+118=(−420x)+(955+118)=−420x+1073

Answer: =−420x+1073

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3 years ago

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What is the average cost of 7 articles if 3 of them cost 30k each and the rest cost 12.5k each

LenKa [72]

${\bold{\red{\huge{\mathbb{QUESTION}}}}}$

what is the average cost of 7 articles if 3 of them cost 30k each and the rest cost 12.5k each

$\bold{ \red{\star{\blue{GIVEN }}}}$

TOTAL NUMBER OF ARTICLE= 7

ARTICLES FOR 30K = 3

ARTICLES FOR 12.5K = 7-3= 4

$\bold{\blue{\star{\red{TO \: \: FIND}}}}$

Average cost of 7 articles

$\bold{ \green{ \star{ \orange{FORMULA \: USED}}}}$

$\red{AVERAGE = \frac{TOTAL \: COST}{ NUMBER \: OF\: ARTICLES }}$

$\huge\mathbb{\red A \pink{N}\purple{S} \blue{W} \orange{ER}}$

$Average \: cost \: of \: 7 \: articles - > \\ \frac{(3 \times 30k) + (12 .5k \times 4)}{7} \\ \frac{90k + 50k}{7} \\ \frac{140k}{7} \\ \blue {Average \: cost \: of \: 7 \: articles - >} \\ 20k$

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3 years ago