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Elden [556K]
3 years ago
5

How old is the 7th person that walked in?

Mathematics
2 answers:
mario62 [17]3 years ago
7 0
7th person that walked in would be 66 years old
m_a_m_a [10]3 years ago
7 0

Answer:

Step-by-step explanation: 70

35 + 45 = 70

Just add the Average of 6 people to 35

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Jennifer has 25 coins with a total value of $4.25. The coins are quarters and nickels. How many of each does she have?
kirill115 [55]

Answer:

15 quarters, 10 nickels

Step-by-step explanation:

q+n=25

0.25q+0.05n=4.25

multiply the first equation by -0.25 and add the second equation to it

-0.25q-0.25n=-6.25\\0.25q+0.05n=4.25
________________
                -0.2n=-2

n=\frac{-2}{-0.2} =10   has 10 nickels

q=25-n=25-10=15  has 15 quarters

10(.05) +15(0.25) = 0.5 + 3.75 = 4.25

Hope this helps

8 0
1 year ago
If f(x) = 2x^2+ 1 and g(x)= x^2-7, find (f-g)(x)
Ganezh [65]

Answer:

2x squared +1 (-)x squared -7 is

a.) x squared +8

Step-by-step explanation:

:)

4 0
3 years ago
What’s the slope of (-3,4)(2,-5)
olasank [31]
-9/5 or -1.8
2 - - 3 = 5
-5 - 4 = -9
6 0
3 years ago
Read 2 more answers
Show the work to divide 8.4 by 0.03
Sveta_85 [38]
Well, 0.03= 3%
So i divided 8.4 by 100 and i got 0.084.
Then I multiplied that by 3 (because 3%) and i got the answer of 0.252
7 0
3 years ago
Read 2 more answers
Abigail's rectangular flower garden has a width of 4 1/4feet and an area of 12 3/4 square feet.
tresset_1 [31]

Answer:

3 feet long

Step-by-step explanation:

4 1/4x3=12 3/4

6 0
3 years ago
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