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insens350 [35]
3 years ago
14

Helps pls :-/ number 12 any help is greatly appreciated!

Mathematics
1 answer:
Alexandra [31]3 years ago
6 0
X = 5, that’s the answer to question 12
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30 is 1/10 of please tell and help me​
rjkz [21]

Answer:

i think 1/300

Step-by-step explanation:

7 0
2 years ago
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The mechanics at Giuseppe’s Auto House specialize in changing fuel injection units and transmissions. Last week, they changed 5
Lemur [1.5K]

Answer:

The solution is  (2,6)

Step-by-step explanation:

Let

x-----> the number of hours to change a fuel injection unit

y-----> the number of hours to change a transmission

we know that

5x+10y=70 -----> equation A

8x+8y=64 -----> equation B

Solve the system of equations by graphing

Remember that the solution of the system of equations is the intersection point both graphs

The solution is the point (2,6)

see the attached figure

4 0
2 years ago
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A sum of $4000 is invested at 5.5% interest per year. Find the amount of time needed to double the money if it’s compounded mont
musickatia [10]

9514 1404 393

Answer:

  C)  12y 8m

Step-by-step explanation:

The amount of principal P at compound monthly at interest rate r per year is given by ...

  A = P(1 +r/12)^(12t) . . . . after t years

Here, we want to find t, so ...

  A/P = (1 +r/12)^(12t)

  log(A/P) = (12t)·log(1 +r/12)

  t = log(A/P)/(12·log(1 +r/12))

Filling in the given values, we find t to be ...

  t = log(8000/4000)/(12·log(1 +0.055/12)) ≈ 12.6315 ≈ 12 years 7.6 months

It will take about 12 years 8 months to double the money.

8 0
3 years ago
Help me please this is a quiz for today
Alexandra [31]
Slope is 5
Y intersect is 0

Y= 5x
3 0
3 years ago
In a 45-45-90 right triangle, what is the ratio of the length of one leg to the
balandron [24]
A 1:12 is the answer for this question
5 0
3 years ago
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