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iris [78.8K]
3 years ago
6

-12(5/6a-7/8)+1/14(3 1/2-1 2/5)

Mathematics
1 answer:
VMariaS [17]3 years ago
5 0

Answer:

10a + 10.65

Step-by-step explanation:

- 12(5/6a - 7/8) + 1/14(3.5 - 1.4)

- 12(5/6a - 7/8) + 0.25 - 0.1

10a + 10.5 + 0.25 - 0.1

10a + 10.65

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Jocelyn Clinton works for a company that uses a percentage method to compute income tax withheld. Jocelyn is single and claims o
Veronika [31]
Jocelyn makes more than $195 but not over $645. The amount she has to pay is 15% of the excess of 196. Find this first via subtraction.

421 - 195 = $226 over 

Take 15% of this

226 x .15 = $33.9

The tax also includes a $14.4 addition to this 15%.

33.9 + 14.4 = $48.3 total income tax
6 0
3 years ago
Yesterday, 4/7 of the 210 students in a contest gave their speeches. How many students gave their speeches?
Elenna [48]

Answer:

120.

Step-by-step explanation:

210 * 4/7

=  30 * 4

= 120.

6 0
3 years ago
Dave and 6 friends went to dinner. They split the bill evenly. The total for the meal was $84. How much did each friend pay
enyata [817]

Step-by-step explanation:

Dave + 6 friends = 7 friends in total

84 ÷ 7 = 12

Each friend paid $12

4 0
3 years ago
there are 640 students in one school. How many boys are there if it is known that 1/4 of the number of girls is equal to one six
Anna007 [38]

Answer:

960

Step-by-step explanation:

You have to figure out what 1/4th of 640 is, which is 160.

It says that number is 1/6th of boys, so you multiply by the inverse.

160x6 = 960

7 0
2 years ago
Read 2 more answers
Y=2× Y=×+1<br> A: (2/3, 1/3)<br> B: (1,2)<br> C: (2,1)<br> D: (1/3, 2/3)
FrozenT [24]

Answer:

The answer is B: (1,2)

Step-by-step explanation:

(solved using elimination method)

-2x+y=0

y=x+1

-x+y=1

-2x+y=0

x+y=-1

-x=-1

x=1

-1+y=1

y=2

(x,y)=(1,2)

5 0
2 years ago
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