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zlopas [31]
3 years ago
12

Is 40(2x-16y) equivalent to 42x-56y

Mathematics
1 answer:
Gnoma [55]3 years ago
4 0
No, because the Distributive Property shows that 40(2x-16y) = 80x-640y, which does not equal 42x-56y
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Can someone please help me out with this problem
GREYUIT [131]
8 x 8= 64 so 8 is your answer.
8 0
3 years ago
Read 2 more answers
7(-2 - 5n) solve<br>how do you do this equation can you help me please?​
Shkiper50 [21]

Answer:

-14-35n

Step-by-step explanation:

First do distributive property and you multiply 7 by -2 and by -5n

5 0
4 years ago
Which set does 7 belong too
Zina [86]

The number that 7 belongs to is a rational number.

<h3>What is a rational number?</h3>

It should be noted that a rational number is a number that is expressed as the ratio of two integers.

In this case, the denominator should not be equal to zero, whereas an irrational number cannot be expressed in the form of fractions.

Rational numbers are terminating decimals but irrational numbers are non-terminating and non-recurring.

Therefore, the number that 7 belongs to is a rational number.

Learn more about numbers on:

brainly.com/question/4619309

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7 0
2 years ago
Simplify.
yKpoI14uk [10]
(-5p^4z^6u)^3

= (-5)^3p^{4 \times 3}z^{6 \times 3} u^3

= -125p^{12}z^{18} u^3

---------------------------------------------------------------------------------------------------
\text {Answer = } -125p^{12}z^{18} u^3 \text { (Answer C) }
---------------------------------------------------------------------------------------------------

3 0
3 years ago
Read 2 more answers
What is the length of the altitude of the equilateral triangle below?
Mazyrski [523]

ANSWER

The length of the altitude is 3\sqrt{3} units


<u>EXPLANATION</u>

The altitude of a triangle is the vertical height of the triangle.


From the diagram the altitude is a


Method 1: We can use Pythagoras theorem to find a


6^2=a^2+3^2


6^2-3^2=a^2


36-9=a^2


27=a^2


We take the square root of both sides,

\sqrt{27}=a


\sqrt{9\times3}=a


\sqrt{9} \times \sqrt{3}=a


3\sqrt{3}=a


Method 2 Using Trigonometry

sin(60\degree)=\frac{a}{6}

6sin(60\degree)=a


a=6\times \frac{\sqrt{3}} {2}


a=3\sqrt{3}






6 0
3 years ago
Read 2 more answers
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