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LiRa [457]
3 years ago
9

Not sure about this one. Just double checking. Simplify. −4(3−1)+2

Mathematics
2 answers:
belka [17]3 years ago
5 0
-4 ( 3-1) + 2

-4 (2) + 2

-8 + 2

-6 is your answer

hope this helps
ANEK [815]3 years ago
4 0
<span>−4(3−1)+2
=</span><span>−4(2)+2
= -8 + 2
= -6</span>
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Help pls and tysm because I'm not strong in this area. ​
serious [3.7K]
Alright, first thing's first, simplify the equation as much as you can. If you wanted, I suppose you could just multiply everything by 40, but that's super unconventional.

7x/8 - 3x/8 = 1/5 + 3/10

Simplify:
4x/8 = 1/5 + 3/10

Make sure that when subtracting or adding fractions that the denominators (The number on the bottom of the fraction) are equal.

In order to add 1/5 and 3/10 together, all we have to do is ensure that both denominators are equal.

To do this, simply multiply 1/5 by 2/2. The new fraction will be 2/10 (You can do this since it's the exact same fraction, 2/10 will simplify down to 1/5. The reason we did this was to make sure that the two fractions had equal denominators).

Our equation now looks like this:
4x/8 = 2/10 + 3/10

Add the fractions on the right:
4x/8 = 5/10

Huh, whaddya know? Both the fraction on the left and the right can be simplified into 1/2! (4/8 becomes 1/2, and 5/10 becomes 1/2)

1x/2 = 1/2
x/2 = 1/2

If you want to, I suppose you could cross multiply to check, but the answer's already pretty obvious.

x = 1

Good luck! If you need me to explain anything I did here, just ask :))
-T.B.
5 0
3 years ago
The total estimated cost of attending a public two-year college in Hasani’s home town last year was $2,265. The cost of attendin
AlekseyPX

Last year total estimated cost: $2,265

This year (after 1 year) total estimates cost for 2 years is: 1.05 X $2,265 = $2,378.25

So, for 1 year will be the half of the above amount: $2,378.25 : 2 = $1,189.13


5 0
3 years ago
Read 2 more answers
What is the surface area of the triangular prism?
Marizza181 [45]

Answer:

222 cm²

Step-by-step explanation:

Each triangle's area is 6 cm², each side rectangle's area is 75 cm², and the bottom rectangle's area is 60 cm². Since there are two triangles, two side rectangle's, and one bottom rectangle, you would add all of their areas together:

6 + 6 + 75 + 75 + 60 leads you to the answer of 222 cm².

8 0
3 years ago
What is thiss?? Can someone help me pleaseee and like soon it’s find the missing number on the number line
mylen [45]
I believe the anwser to this question is -19
8 0
3 years ago
What is the value of the expression All of 3.9 multiplied by 10 to the power 5 over all of 1.3 multiplied by 10 to the power 2?
Dima020 [189]
So first write out the expression:
\frac{3.9*10^{5}}{1.3*10^{2}}
take two 10's from the top to cancel with the two 10's on the bottom.
3.9/1.3 is 3.
The answer is 3*10^3
4 0
3 years ago
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