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otez555 [7]
3 years ago
15

6) Find the difference of (4x - 5) and (6x + 8)

Mathematics
2 answers:
lesya [120]3 years ago
8 0

Answer:

- 2 - 13

Step-by-step explanation:

( 4 x - 5 ) - ( 6 x + 8 )

= 4 x - 5 - 6 x + 8

Arranging like terms together

= 4 x - 6 x - 5 - 8

= - 2 x - 13

Allushta [10]3 years ago
6 0

Answer:

-2x- 13

Step-by-step explanation:

Hi there!

(4x - 5)-(6x + 8)

Open up the parentheses

4x - 5-6x - 8

Combine like terms

4x -6x- 5 - 8\\-2x- 13

I hope this helps!

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Can someone describe constant of proportionality pls
Luden [163]

Answer:

The constant of proportionality is the ratio between two directly proportional quantities. Two quantities are directly proportional when they increase and decrease at the same rate. The constant of proportionality k is given by k=y/x where y and x are two quantities that are directly proportional to each other.

Step-by-step explanation:

6 0
2 years ago
Which theorem or postulate justifies this statement? angle6 cong angle13
dezoksy [38]

Answer:

C. Alternate Exterior Angles Theorem

Step-by-step explanation:

I took the test

8 0
2 years ago
X-30% is 12. What is X?
skad [1K]
If i'm not wrong,i think the answer is:

30%=0.3
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5 0
3 years ago
Read 2 more answers
Which expression can be used to find the price of a $400 telescope after a 32% markup? Select all that apply.
elena-s [515]
<h3>There are 2 answers: choice C, choice D</h3>

====================================================

Explanation:

32% = 32/100 = 0.32

32% of 400 = 0.32*400 = 400(0.32), which adds onto the original 400 to get 400+400(0.32). This is why choice D is one of the answers.

We can factor out the GCF 400 to go from 400+400(0.32) to 400(1+0.32) which then simplifies to 400(1.32) or just 400*1.32. This shows choice C is the other answer. Using a calculator,

400+400(0.32) = 400 + 128 = 528

400*1.32 = 528

meaning that 400+400(0.32) = 400*1.32

The other answer choices result in other values, showing that they aren't equivalent to 528.

6 0
3 years ago
The coordinates of point Y is (-10,5). The midpoint of XY is (3,-5). Find the coordinates of point X
serg [7]

Answer:

  • the way its set up its kind of confusing ↑

Step-by-step explanation:

4 0
3 years ago
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