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2 years ago

HELP ME PLEASE I NEEEED IT SOLVE FOR D

Mathematics

2 answers:

Softa [21]2 years ago

6 0

Answer:

theres 2

Step-by-step explanation:

kotykmax [81]2 years ago

3 0

Answer:

Step-by-step explanation:

$44 = 2d + 8$

Subtract 8 both sides.

44 -8=2d+8 -8

36=2d

Divide 2 on both sides

$\frac{36}{2} \frac{2d}{2}$

18=d

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mafiozo [28]

The length of the arc

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4th grade math help<br> Please explain how to get answer

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3 years ago

Find the sum (3/7m-3+4n)+(2/7m-2m+6)

aleksley [76]

Answer:

(5/7)m + 2n + 3

Step-by-step explanation:

Rewrite 3/7m as (3/7)m for added clarity, also 2/7m as (2/7)m.

Adding (3/7)m and (2/7)m results in (5/7)m.

Next, combine -3 and 6, which yields 3.

I expected that there'd be only one term in m in both quantities. (3/7)m - 3 + 4n does have only one term, but (2/7)m - 2m + 6) seems to have two m terms. I will assume that you actually meant (2/7)m - 2n + 6).

Combining like terms, we get (5/7)m + 3 + 4n - 2n, or

(5/7)m + 2n + 3

4 0

3 years ago

Simplify completely the quantity 14 times x to the 5th power times y to the 4th power plus 21 times x to the third power times y

timofeeve [1]

We have to simplify the given expression:

$\frac{14x^5y^4+21x^3y^2}{7x^3y}$

Dividing the terms of the numerator by the given term of denominator individually, we get

= $\frac{14x^5y^4}{7x^3y}+\frac{21x^3y^2}{7x^3y}$

By using the laws of exponent, $a^m \div a^n = a^{m-n}$ , we get

= $\frac{7 \times 2 x^5y^4} {7x^3y} + \frac{7 \times 3 x^3y^2}{7x^3y}$

= $\frac{2 x^5y^4} {x^3y} + \frac{3 x^3y^2}{x^3y}$

= ${2 x^{5-3}y^{4-1}} + 3 y^{2-1}$

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Therefore, the simplification of the given expression is ${2 x^{2}y^{3}} + 3 y$ .

So, Option 3 is the correct answer.

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3 years ago

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Cabs’R Us charges $4.00 plus an additional $3.00 per mile for a ride. Call A Cab charges $2.00 plus an additional $4.00 per mile

laiz [17]

After 2 miles, the cost will be same for both companies.

Step-by-step explanation:

Charges of Cabs'R Us = $4.00

Per miles charges = $3.00

Let,

x be the number of miles.

R(x) = 3x+4.00

Charges of Call A Cab = $2.00

Per mile charges = $4.00

A(x) = 4x+2.00

For same amount;

R(x) = A(x)

$3x+4.00=4x+2.00\\4.00-2.00=4x-3x\\2=x\\x=2$

After 2 miles, the cost will be same for both companies.

Keywords: function, subtraction

Learn more about functions at:

#LearnwithBrainly

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3 years ago