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stellarik [79]
3 years ago
15

Which expression is equivalent to

Mathematics
2 answers:
Butoxors [25]3 years ago
4 0

Answer:

It should be B

Step-by-step explanation:

Hope this helps

mestny [16]3 years ago
3 0

Answer:

B. 21.5x-8

Step-by-step explanation:

First use the distributive property to distribute the -4 to (2-6x) which gets

-8+24x, then combine the like terms within the equation -8+(24x-2.5x) to get -8+21.5x.

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18. When y = x?, which of the following expressions is<br> equivalent to -y ?
vitfil [10]

Answer:

-y=-x

The problem:

y=x then -y=?

Step-by-step explanation:

If y=x, then -y=-x.

Just like if u=9, then -u=-9.

Or, if -m=8, then m=-8.

5 0
3 years ago
What is 1+1?????????????????????​
ivolga24 [154]
It is 2 lol also use a calculator it’s wayyy easier this is like the easiest equation every
3 0
3 years ago
5*9 (sqrt 10)^3= Help please
Nikitich [7]
Use BODMAS or BIDMAS (Brackets, over Indices, Division, Multiplication, Addition, the Subtraction, this tells you which order to do things in)

As you cant do √10 in the brackets you do the indices, so (√10)³
Split this up to make it easier
(√10)³= √10 x √10 x √10 = 10√10

You the multiply this by 9

9 x 10√10 = 90√10

then multiply by 5

5 x 90√10 = 450√10 = 1423.024947 (using calculator)
7 0
3 years ago
Put together, Albert and Jason have
Anon25 [30]

Answer:

Step-by-step explanation:

you have to subtract 110 by 42 then when you have that number you divide it by two. then you add 42 to one of the twin numbers. That will be how many jason has, and albert will have the other number you kept the same.

7 0
3 years ago
0.44 in scientific notation
babunello [35]
44x10^-2
or in other words
44 times 10 to the -2nd power
3 0
4 years ago
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