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4 years ago

How do I simplify (-3)(7)+(-5)(-2)

Mathematics

2 answers:

Delvig [45]4 years ago

6 0

Answer:

-21+10 or simpilest form -11

Step-by-step explanation:

1. -3x7+ -5x-2

2. -21+10

3. -11

ss7ja [257]4 years ago

3 0

-11

Step by step explanation:

(-3)(7) + (-5)(-2) step 1: multiply -3 by 7

-21 + (-5)(-2) step 2: multiply -5 by -2

-21 + 10 step 3: add 10 to -21

-11

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Sonja [21]

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3 years ago

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Akimi4 [234]

Answer:

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3 years ago

The general term for the sequence 3/4,6/5,9/6,12/7,15/8

Ronch [10]

Answer:

B . $\frac{3 n}{n+3}$

Step-by-step explanation:

<u>Arithmetic sequence</u>:-

Step1:

Given sequence is $\frac{3}{4} ,\frac{6}{5} ,\frac{9}{6} ,\frac{12}{7} ,\frac{15}{8}$

Above sequence taking numerator terms

3,6,9,12,15 are in arithmetic progression

First term a= 3 and difference d = 3

now n t h term of given sequence is

$t_{n} =a+(n-1)d$

now substitute a =3 and d=3

$t_{n} = 3+(n-1)3 = 3+3 n-3=3n$

Step2:-

Above sequence taking denominator

4,5,6,7,8...

here a=4 and d=1

$t_{n} =a+(n-1)d$

$t_{n} =4+(n-1)1$

$t_{n}=3+n$

Final answer is the general term of given sequence is

$t_{n} = \frac{3n}{3+n}$

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4 years ago

Qhat are the edge lengths of 6 inches and edge lenghthe of the other 1.25,4/3,1.5,7/4 and 2

finlep [7]

Given:U.S Flag - rectangle in shapescale of 0.5 cm = 1 inlength of the scale 2.5 cmwidth of the scale 4.75 cmperimeter of the scale = 2(L+W) = 2(2.5+4.75) = 2(7.25) = 14.5cmperimeter of the actual flag is:14.5cm * 1in/0.5cm = 29 inches.

Read more on Brainly.com - brainly.com/question/1306723#readmore

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3 years ago

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notka56 [123]

Answer:

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Step-by-step explanation:

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3 years ago

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