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IRINA_888 [86]
3 years ago
7

Combine like terms to create an equivalent expression.

Mathematics
1 answer:
svetoff [14.1K]3 years ago
8 0

Answer:

2/5m - 1/5

Step-by-step explanation:

distribute the 2 to every term in ()

2(1/5m-2/5) = 2/5m - 4/5

now you have 2/5m -4/5 +3/5

combine like terms variables with variables, non- variables with non-variables. -4/5 + 3/5 = 1/5

2/5m - 1/5

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A cash register contains only five dollar and ten dollar bills. It contains twice as many five's as ten's and the total amount o
Effectus [21]

Answer:

31

Step-by-step explanation:

Let number of ten dollar bills be x .

So, number of five dollar bills = 2 x

Total amount of money in the cash register = 620 dollars

Amount of money in total cash as a result of  five dollar bills = 2 x × 5 = 10 x  dollars

Amount of money in total cash as a result of  ten dollar bills =  x × 10 = 10 x dollars

According to question ,

Total amount of money in the cash register = Amount of money in total cash as a result of  five dollar bills +  Amount of money in total cash as a result of  ten dollar bills

⇒ 620 = 10 x + 10 x

⇒ 620 = 20 x

⇒ x = \frac{620}{20} = 31

So, number of ten dollar bills = 31

3 0
3 years ago
What series of transformations map triangle △ABC onto △EDF ​ to prove that ABC≅EDF ?
Nonamiya [84]
Hello!

The correct answer is A translation 3 units up then a reflection across the x-axis.

Translation: moving/sliding a figure
Reflection: taking a figure and flipping it over a line.
7 0
3 years ago
Read 2 more answers
Solve for x: 2/3=8/x+6
Tresset [83]

Answer:

x = 6

Step-by-step explanation:

2/3=8/x+6

Using cross products

2 * (x+6) = 3*8

2(x+6) = 24

Divide by 2

x+6 =12

Subtract 6

x = 6

8 0
3 years ago
Read 2 more answers
A regular hexagon has an area of 750.8 cm. The side length is 17 cm. Find the apothem.
kompoz [17]

Since, a regular hexagon has an area of 750.8 square cm and The side length is 17 cm.

We have to find the apothem of the regular hexagon.

The formula for determining the apothem of regular hexagon is s \div {{2 \tan (\frac{180}{n})}, where 's' is any side length of regular hexagon and 'n' is the number of sides of regular hexagon.

So, apothem = 17 \div {2 tan(\frac{180}{6})

= 17 \div {2 tan(30)

= 17 \div {1.15}

= 14.78 units

Therefore, the measure of apothem of the regular hexagon is 14.7 units.

Option B is the correct answer.

5 0
3 years ago
2 over 5 (x − 4) = 2x.
Sav [38]
2/5 (x-4)=2x   answer is x= -1
5 0
3 years ago
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