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slamgirl [31]
3 years ago
8

Simplify 2(4x-3)-3(5-x)

Mathematics
2 answers:
RideAnS [48]3 years ago
6 0

Answer:

<h2>11x - 21</h2>

Step-by-step explanation:

2(4x - 3) - 3(5 - x)     <em>use the distributive property </em><em>a(b + c) = ab + ac</em>

= (2)(4x) + (2)(-3) + (-3)(5) + (-3)(-x)

= 8x - 6 - 15 + 3x           <em>combine like terms</em>

= (8x + 3x) + (-6 - 15)

= 11x - 21

Evgesh-ka [11]3 years ago
5 0

Answer:

11x - 21

Step-by-step explanation:

2(4x-3)-3(5-x)

Distributive property

= 8x - 6 - 15 + 3x

Combine like terms

= 11x - 21

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An ant crawls at a rate of 216 ft per minute.
AysviL [449]
First, we need to understand the speed formula:

The time used = distance ÷ rate

In this case, the time needed would be:

5 1/5 ÷ 2 1/6
= (5×5+1)/5 ÷ (2×6+1)/6
=26/5 ÷ 13/6

When there is division in an equaiton, we can swap the nominator and denominator of the fraction amd change it to multiplication:

=26/5 × 6/13
= (13 x 2)/5 x 6/(13 x 1)

Factorize 26 and 13,we get:

=2/5 x 6/1
= 12/5 ft or 2.4 ft

Therefore the answer is 12/5ft or 2.4ft.

Hope it helps!
8 0
3 years ago
Find c, the hypotenuse, rounded to four decimal places, in a right triangle with b = 16 and B = 55
Fudgin [204]

Answer:

c=19.5324

Step-by-step explanation:

In given triangle ABC, we have been give values of angle B=55 degree, angle C is right angle and b=16.

Now using those values, we need to find the value of side b.

apply  formula of sin

\sin\left(B\right)=\frac{AC}{AB}

\sin\left(55\right)=\frac{16}{c}

0.819152=\frac{16}{c}

0.819152c=16

c=\frac{16}{0.819152}

c=19.5323944762

Hence final answer rounded to four decimal places is c=19.5324

4 0
3 years ago
Can somebody help me with this , please i also need the work progress ;-;​
nydimaria [60]
Need help with what?:)
4 0
3 years ago
Please help please help please help please help please help please help please help please help
Fudgin [204]

Answer:

two

Step-by-step explanation:

ilxzc d cd cf trdc4rter

8 0
2 years ago
What is the difference between simple and compound interest?
rjkz [21]

Answer:

Step-by-step explanation:

Examples. A friend asks to borrow $300 and agrees to repay it in 30 days with 3% interest. How much interest will you earn? Simple interest is calculated on the principal, or original, amount of a loan. Compound interest is calculated on the principal amount and also on the accumulated interest of previous periods, and can thus be regarded as "interest on interest."

4 0
3 years ago
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