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olganol [36]
3 years ago
13

Help .........................................

Mathematics
1 answer:
sergeinik [125]3 years ago
7 0

Answer:

............................................................................................................................................................

Step-by-step explanation:

............................................................................

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How to do the fractions
Alenkasestr [34]

you could either multiply straight away or you could simplify right then so that you wouldn't have to it later.

20/5 * 5/2

your answer would be 10 either way

3 0
2 years ago
Can you help me plsssssssss
denpristay [2]

Answer:

im 70% sure that its D

Step-by-step explanation:

I hope i helped sorry if im wrong :D

3 0
2 years ago
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Which of the following figures has reflected over the y-axis? 40 POINTS! PLEASE ANSWER!
Sonja [21]

Answer:

the third one

Step-by-step explanation:

6 0
2 years ago
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10. The sum of the digits of a three-digit number is 11. If the digits are reversed, the new number is 46
Zarrin [17]

Answer:

hope this helps

Step-by-step explanation:

The sum of the digits of a three-digit number is 11.

If the digits are reversed, the new number is 46 more than five times the old number.

If the hundreds digit plus twice the tens digit is equal to the units digit, then what is the number?

:

Write an equation for each statement:

:

"The sum of the digits of a three-digit number is 11."

x + y + z = 11

:

The three digit number = 100x + 10y + z

The reversed number = 100z + 10y + x

:

" If the digits are reversed, the new number is 46 more than five times the old number."

100z + 10y + x = 5(100x + 10y + z) + 46

100z + 10y + x = 500x + 50y + 5z + 46

combine on the right

0 = 500x - x + 50y - 10y + 5z - 100z + 46

499x + 40y - 95z = -46

:

"the hundreds digit plus twice the tens digit is equal to the units digit,"

x + 2y = z

x + 2y - z = 0

:

Three equations, 3 unknowns

:

x + y + z = 11

x +2y - z = 0

-----------------Addition eliminates z

2x + 3y = 11

From the 2nd equation statement, we know that the 1st original digit has to be 1

2(1) + 3y = 11

3y = 11 - 2

3y = 9

y = 3 is the 2nd digit

then

1 + 3 + z = 11

z = 11 - 4

z = 7

:

137 is the original number

:

:

Check solution in the 2nd statement

If the digits are reversed, the new number is 46 more than five times the old number."

731 = 5(137) + 46

731 = 685 + 46

7 0
3 years ago
Which of the following is equivalent to 6(2y-4)+p
SVEN [57.7K]

6(2y-4)+p

If you distribute you can get

2y-24+p ;)

5 0
3 years ago
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