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4 years ago

each month for 7 months, Samuel mows 3 lawns. how many more laws does he need to mow before he has mowed 29 lawns

1 answer:

5 0

Samuel started out with 21 mowed lawns. 7(months) x 3(lawns) = 21
If he mows 3 lawns per month, then he would have to mow lawns for another 3 months. 3 x 3 = 9.
21 + 9 = 30
Although this is one mowed lawn over the objective, any less would not reach 29.

I'm not really sure what the question is asking, so here's two answers:
He would have to mow lawns for another 3 months in order to mow 29 lawns.

Or, he would have to mow 8 more lawns.

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An article reports "sales have grown by 30% this year, to $200 million." What were sales before the growth? An article reports "

zimovet [89]

The amount of sales before growth according to the article is $153.85 million

<h3>How to find sales before growth?</h3>

let

Sales before growth = x
Percentage growth = 30%
New sales = $200 million

200 = x + (30% × x)

200 = x + (0.3 × x)

200 = x + 0.3x

200 = 1.3x

x = 200/1.3

x = 153.846153846153

Approximately,

x = $153.85 million

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2 years ago

What are the factors of 5x2 + 39x − 8?

prisoha [69]

Answer:

C. (5x - 1)(x + 8)

Step-by-step explanation:

In a factoring problem by hand, the common steps to solve would be the "AM" method, or (Add-Multiply). Simply stated, finding what adds to the x-coeficient and what multiplies to the constant. In this case, what adds to 39(x) and what multiplies to 8. Just reading that, we can see that there aren't any numbers that can do that, so we have to improvise. Set up the problem equal to something that it can factor into:

Multiply the 5 and -8 = -40: this is what we will factor
The factors with add to 39 are 40 and -1.
Set up the problem:

$5x^{2}+39x-8 = 5x^{2}+40x-x-8$

Now, we can fo the math:

$5x^{2} -8 = 5x^{2} -8$

8(5x - 1) + x(5x - 1)

Factor (5x - 1) from this:

(5x - 1)(x + 8)

And we have our answer.

4 0

3 years ago

A taxi charges a flat rate of $1.75, plus an additional $0.65 per mile. If Erica has at most $10 to spend on the cab ride, how f

yaroslaw [1]

Answer: 12.69 miles approx

Step-by-step explanation:

let x represent the number of miles traveled

1.75 + 0.65x = 10

0.65x = 8.25

x = 12.69 miles approx

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3 years ago

Please help this is like 40% of my Grade!!

svet-max [94.6K]

Answer:

120

Step-by-step explanation:

supplementary means the angles add up to 180

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3 years ago

When simplified completely, the product of a monomial and a monomial is sometimesalwaysnever a monomial

Vaselesa [24]

Answer:

Always

Step-by-step explanation:

A mononomial's variable can only have exponents 0,1,2,3 etc so the product will also be a mononomial.

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3 years ago