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Sergio039 [100]
3 years ago
15

Which expressions are equivalent to the one below? Check all that apply 21x/7x

Mathematics
2 answers:
Anika [276]3 years ago
8 0

The answer is A,C.

Hope this helps!

Delvig [45]3 years ago
3 0

A,C, E But if that doesnt work leave E out of it

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YALL PLEASE HELP IS IT ADDITION MULTIPLICATION OR SUB
alekssr [168]

Answer:

6 x \frac{3}{4}= 4\frac{2}{4}

Step-by-step explanation:

6 0
3 years ago
Who can do this question, I don't know how to do...this is difficult for me....who can teach me?
cupoosta [38]
We know that AB and CD are parallel.  This allows many assumptions.
From that we know that angle A and angle D are congruent. 
That means that x + 8 = 2x - 22 and we can solve for x
x + 8 = 2x - 22
x + 30 = 2x
30 = x or x = 30

We know from the figure that angle B is x or now that we solved for x is 30 degrees.  Also, we know that both angle A and angle D are 38 degrees.  Now we can solve for the vertical angle E which has a measure of y degrees.  A triangle has the sum of its angles equal to 180 degrees.

We can set up an equation like this 30 + 38 + y = 180
30 + 38 + y = 180
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That is how you would solve this problem
4 0
4 years ago
Find the value of x. 64 x
lions [1.4K]

Answer:

the value of x is 116

Step-by-step explanation:

180-64=116

5 0
3 years ago
Use the distributive property to simplify the expression.
zepelin [54]

Option D

Using the distributive property, -7(8x – 3) + x = -55x + 21

<em><u>Solution:</u></em>

Given that we have to use distributive property to simplify the given expression

Given expression is:

-7(8x – 3) + x

Let us first understand about distributive property

The distributive property lets you multiply a sum by multiplying each addend separately and then add the products.

<em><u>The distributive property is represented as:</u></em>

a(b + c) = ab + ac

Apply this property in given expression for -7(8x - 3)

-7(8x - 3) = (- 7 \times 8x) + (-7 \times -3)\\\\-7(8x - 3) = -56x +21

Apply the above result in given expression

-7(8x - 3) + x = -56x + 21 + x

Combine the like terms. Add -56x and x

-7(8x - 3) + x = -56x + 21 + x = -55x + 21\\\\-7(8x - 3) + x = -55x + 21

Thus the given expression is simplified. Option D is correct

6 0
3 years ago
The mass of a proton in scientific notation is 1.6 x 10-24 grams. What is the mass of a proton in standard form
borishaifa [10]

Answer:

Step-by-step explanation:

343

4 0
4 years ago
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