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Vika [28.1K]
3 years ago
7

5(-6)plus (-7) Please help

Mathematics
2 answers:
VARVARA [1.3K]3 years ago
8 0

Answer:

-37

Step-by-step explanation:

Remember to follow PEMDAS and the left -> right rule.

<u>PEMDAS:</u>

Parenthesis

Exponent (& roots)

Multiplication

Division

Addition

Subtraction

----------------

Also, note the rules of sign:

Multiplying...

Positive number and another positive number will result in a positive answer.

Positive number and a negative number will result in a negative answer.

Negative number and another negative number will result in a <em>positive </em>answer.

--------------------------------------------------------------------------------------------------------

Note the question:

5 x -6 + (-7)

First, change the sign for -6 + -7. Note the rule above and change the sign.

5 x -6 - 7

Next, solve. Remember to follow PEMDAS. Multiply 5 and -6 together

5 x -6 = -30

Then, combine the remaining terms.

-30 - 7 = -37

You're answer:

-37

--------------------------------------------------------------------------------------------------------

~

IgorLugansk [536]3 years ago
6 0

Answer:

-37

Step-by-step explanation:

Well for the multiplication its easy because if it is different signs then all you have to do is multiply it normally the add the negatuve sign.

6×5=30

-6×5=-30

2. For adding negative number to a negative number you just add it on.


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yuradex [85]

The answer is<em> </em><em>D</em>.

I hope this helps



5 0
4 years ago
For the given decimal −0.009, find the two integers closest to it.
irinina [24]

Answer:

0 and -1

Step-by-step explanation:

The two integers closest to -0.009 are 0 by truncation and -1 by approximation.

8 0
3 years ago
How do you find the squared foot of an octagon?
Westkost [7]

Answer:

The four pieces cut off can be arranged into two squares with sides of length b feet and hence the area of the octagon is w 2 - 2 b 2 square feet. Since w = 12 feet, all that is needed is to find b. square feet which is approximately 119 square feet.

Step-by-step explanation:

5 0
3 years ago
PLs help I will award brainliest.
Xelga [282]

Answer:first 5 viricalls on the left

Step-by-step explanation:

4 0
3 years ago
Please help me out :)
arlik [135]

Answer:

\frac{\sqrt{17} }{7}

Step-by-step explanation:

Using the Pythagorean identity

sin²x + cos²x = 1, then

sinx = \sqrt{1-cos^2x}

Note that (\frac{4\sqrt{2} }{7})² = \frac{32}{49}

sinΘ = \sqrt{1-(32/49)}

        = \sqrt{\frac{17}{49} } = \frac{\sqrt{17} }{7}

5 0
3 years ago
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