3 years ago

Please help! Image Below!

Mathematics

2 answers:

sattari [20]3 years ago

7 0

The answer is C I took the test before hopes it helps(:

drek231 [11]3 years ago

6 0

Answer:

Step-by-step explanation:

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The area of a rectangle is w^2+4w=60 where w is the width. find the width.

Svetradugi [14.3K]

The width of rectangle is 6.

Step-by-step explanation:

Given,

Area of rectangle; w²+4w=60

As w is the width, we will solve the equation to find w.

$w^2+4w=60$

Subtracting 60 from both sides

$w^2+4w-60=0$

Factorizing the equation;

$w^2+10w-6w-60=0\\w(w+10)-6(w+10)=0\\(w+10)(w-6)=0$

Either,

w+10=0 => w=-10

Or,

w-6=0 =>w=6

As width cannot be negative, therefore

Width = 6

The width of rectangle is 6.

Keywords: area, rectangle

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3 years ago

Owing each step. Wri<br>7(m + 5) = 21

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Answer:

m=-2

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3 years ago

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In 2000, the population of a country was approximately 5.99 million and by 2069 it is projected to grow to 12 million. Use the

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3 years ago

I Nisa buy dollars worth of stock and gained $25 per year Kevin bad for hundred dollars worth of stock in the last $35 per year

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Answer: x= 5 years and y = $225

Step-by-step explanation:

Since we have given that

Amount Nisa gained per year = $25

Amount Kevin lost per year = $35

According to question,

$y=100+25x\\\\and\\\\y=400-35x$

so, it becomes,

$100+25x=400-35x\\\\25x+35x=400-100\\\\60x=300\\\\x=\frac{300}{60}\\\\x=5$

so, For x= 5 years,

Their income of Nisa and loss of Kevin will be

$y=100+25x\\\\y=100+25\times 5\\\\y=100+125\\\\y=\$225$

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3 years ago