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3 years ago

Three consecutive integers are n-1, n and n+1. Write an expression for the sum of the three integers.

Mathematics

1 answer:

svlad2 [7]3 years ago

6 0

N-2,n and n+2;n-3,n and n+3,n-4,n and n+4....

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Which expressions are equivalent to 7 (negative three-fourths x minus 3)? Select two options.

polet [3.4K]

The equivalent expressions are:

$7(-\frac{3}{4}x - 3) = (7 \times \frac{-3}{4}x) + (7 \times -3)\\\\7(-\frac{3}{4}x - 3) = \frac{-21x}{4} - 21$

Solution:

Given expression is:

$7(-\frac{3}{4}x - 3)$

We have to find the equivalent expressions

By distributive property,

a(b + c) = ab + ac

Therefore,

$7(-\frac{3}{4}x - 3) = (7 \times \frac{-3}{4}x) + (7 \times -3)\\\\7(-\frac{3}{4}x - 3) = \frac{-21x}{4} - 21$

Thus equivalent expressions are found

7 0

3 years ago

Read 2 more answers

B is the midpoint of ac. bc = 3x - 1. ac = x + 3. find the value of ab

Ilia_Sergeevich [38]

Answer:

ab=bc because b devide ac in two equal sizes

ac=ab+bc

ac=2×ab

ac =2×bc

lets substitute ac and bc there we are given

x+3=2(3x-1)

x+3=6x-2

-5x/-5=-5/-5

x=1

ab=3(1)-1

ab=2

8 0

1 year ago

Which steps are involved in multiplying fractions??

lana [24]

Write out the problem. ...Simplify the first fraction. ...Simplify the second fraction. ...Multiply the numerators of both fractions. ...Multiply the denominators of both fractions. ...Place the new numerator over the new denominator.

4 1

3 years ago

. Put f(x) = x2 + 3 in y2.

saveliy_v [14]

Answer:

(X2+3)2

Step-by-step explanation:

First, you have to substitute in what f(x) equals for y since f(x) stands for y.

By doing this, the equation turns into (x2+3)2, because x2+3 is y, and 2 because the original equation way y2.

After you substitute, the answer is (x2+3)2.

5 0

2 years ago

A spinner is divided into 15 identical sectors and labeled 1 through 15.

avanturin [10]

Sender would be 4 x 7 divided by 15

4 0

2 years ago