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yKpoI14uk [10]
3 years ago
7

This question is worth 20 points and I will mark brainliest

Mathematics
1 answer:
lapo4ka [179]3 years ago
6 0

Answer:

2(3h+7)

=6h+14

6h+7+7 (True)

3h+3h+14 (True)

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Mr Jones has 20,000 to invest. He invests part at 6% and part at 7%, if hr earns 1,280 in interest after 1 year, how much did he
MariettaO [177]


Let x be the amount he invests at 6%

1280 = 0.06x + 0.07(20000 - x)
1280 = 0.06x + 1400 - 0.07x
1280 - 1400 = -0.01x
-120 / -0.01 = x
x = 12000

Therefore, he invests $12,000 at 6% and $8,000 at 7%

6 0
3 years ago
jesse bought 2 sheets of stamps. on each sheet there are 5 rows of stamps with 6 stamps in each row. how much did he buy.
lana [24]

Answer:

he bought 60 stamps

Step-by-step explanation:

6*5=30

30*2=60

5 0
3 years ago
X=a(m/q) solve for a
Nuetrik [128]

Answer:

x=a(m/q)

a= x(q/m)

Step-by-step explanation:

we just has to invert the function to take expression to the other side of equality.

hope so you will understand.

3 0
3 years ago
The sum of the numerator and denominator of a fraction expressed in simplest form is 17. If 3 is added to the numerator, the val
Anastasy [175]
X+y=17 solve for a variable and plug into the 2nd equation
(x+3)/y=1 also could be written as x+3=y
x=17-y
17-y+3=y combine and add y over to other side
20=2y
y=10
plug back in x+10=17
x=7
so the original fraction is 7/10
6 0
4 years ago
Read 2 more answers
2^2 x 5^2 is the prime factorization of what number
SSSSS [86.1K]

Answer:

100 is the correct answer.

Step-by-step explanation:

=2×2×5×5

=4×25

=100

Hope this helps you. Have a nice day. Please mark as brainliest. It helps a lot. :)

8 0
3 years ago
Read 2 more answers
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