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Mila [183]
2 years ago
5

Martin was given 10 math problems, and he has answered 7 of them. What percent of the problems does Martin have left to do?

Mathematics
2 answers:
kogti [31]2 years ago
6 0
3% or 30% I promise you its one of those I have a gut feeling its 30% so go ahead and choose that. I hope this helps.
Zielflug [23.3K]2 years ago
3 0
C. 30%
Each number(1-10) is equal to 10%
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The blank answers are 340 and 0.34

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Step-by-step explanation:

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Write the product cos(2x)sin(5x) as a sum
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8 0
3 years ago
21 Maria sold small boxes of candy for $1 and
Anna35 [415]

Answer:

There where 10 <u>more</u> Small boxes sold than Large boxes.

Step-by-step explanation:

<u>This is a typical question that can be solved by obtaining a system of two linear equations and solving for each variable. </u>

In principle Linear Equations are algebraic expressions denoting a relationship between a Dependent variable y and an Independent variable x. In a system of Two Linear equations we have<u> two equations</u> of the same variable sets (thus Two Independent variables) so in this case both y and x will be variable terms.

Now with respect to the question and the given information, here our two Variable terms will be the small and the large boxes.

<u>Given Information:</u>

  • Small Boxes (lets call them s) cost $1 per box
  • Large Boxes (lets call them l) cost $4 per box
  • Total Number of Boxes sold is 30
  • Total Profit from sold Boxes is $60

Thus from the above we can obtain one equation denoting the Total Number of Boxes sold and one equation denoting the Total Profit from sold boxes, respectively, as follow:

s+l=30        Eqn(1): Total Number of Boxes

1s+4l=60     Eqn(2): Total Profit from sold boxes

Now we have a system of two linear equations which we can solve and find the number of small and large boxes, s and l respectively.

From Eqn(1) we see that

s=30-l      Eqn(3).

Plugging Eqn(3) in Eqn(2) we can solve for l as:

1(30-l)+4l=60

30-l+4l=60       Factored out bracket

3l=60-30          Gather similar terms on each side and simplify

3l=30

l=\frac{30}{3}

l=10

Plugging in the value for l=10 in Eqn(3) we have

s=30-10\\s=20

So we know that they were<u> 10 Large Boxes and 20 Small Boxes sold</u>, thus to answer our question, there where 10 more Small boxes sold than Large boxes.

5 0
3 years ago
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Nonamiya [84]

A. the end of the equation is a set amount because there is no exponent with it, so the answer would be 11.32

B) replace x with 10 and solve the equation:

y = 1.84(10) +11.32 = 18.40 + 11.32 = $29.72

C) The number with the exponent would be the increase per hour, the answer would be $1.84

7 0
3 years ago
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