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3 years ago

Please Help! Knowing the negative sign (–) also means "opposite", how do you we read this expression, -8 • 2?

Mathematics

2 answers:

ycow [4]3 years ago

7 0

The answer is -12468

Nostrana [21]3 years ago

3 0

Negative eight times two? not quite sure what you are asking

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Find the value of x

GuDViN [60]

Answer:

x = 12

Step-by-step explanation:

The exterior angle is equal to the sum of the opposite interior angles

3x+19 + 5x = 115

Combine like terms

8x + 19 = 115

Subtract 19 from each side

8x+19 -19 = 115 -19

8x = 96

Divide each side by 8

8x/8 = 96/8

x =12

7 0

3 years ago

4n+ 6 -2n = 2(n + 3)<br> Please help me solve

Paraphin [41]

Answer is provided in the image attached.

5 0

3 years ago

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Plz help its 7th grade distributive proprty

Marat540 [252]

Answer:

a = 3.9

Step-by-step explanation:

Isolate the varible by dividing each side by factors that don't contain the variable.

5 0

3 years ago

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Rewrite as a quotient of two base - 9 logarithms. write your answer in simplest form log 17 =<br>

4vir4ik [10]

Answer:

$\frac{log_{9}17 }{log_{9}10 }$

Step-by-step explanation:

Using the change of base rule for logarithms

$log_{b}$ x = $\frac{log_{c}x }{log_{c}b }$ ( where c is the new base )

Given

log 17 , that is $log_{10}$ 17 , then

$log_{10}$ 17 = $\frac{log_{9}17 }{log_{9}10 }$

8 0

3 years ago

Can you help me with 12-3(x+1)=30

inysia [295]

Greetings!

$12-3(x+1)=30$
Distribute the Parenthesis.
$12-3x-3=30$
Combine like terms.
$9-3x=30$
Add -9 to both sides.
$(15-3x)+(-9)=(30)+(-9)$
$-3x=21$
Divide both sides by -3.
$(-3x)/-3=(21)/-3$
The Answer Is:
$x=-7$

Hope this helps.
-Benjamin

7 0

4 years ago