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CaHeK987 [17]
3 years ago
5

Math help please i don’t know how to do this

Mathematics
1 answer:
Sedaia [141]3 years ago
7 0
You have to add and multiply each puf the m and devide by 3
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The ratio of red cars to blue cars in a parking lot was 5:3 . If there was 40 red cars , how many blue cars were there ?
Bas_tet [7]
The answer is x equals 24
you set up a proportion new over old
so for red cars 40 over 5
since we don’t know the new for blue cars we’ll use x
so x over 3
we then make them equal to each other
40 x
—- = —-
5 3
cross multiply, then we get
120=5x
isolate the x by dividing 5 from both sides to get 24
5 0
3 years ago
Reposting this because no body gave me the equation. An equation would be appreciated :)
o-na [289]

bring the like terms together,

\frac{6q}{5}  +  \frac{4q}{5}  \leqslant 28 + 3 + 3 - 3

\frac{10q}{5}  \leqslant 31

2q \leqslant 31

q \leqslant  \frac{31}{2}

3 0
3 years ago
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The sum of a number y and 9 is greater than 10​
astra-53 [7]

Answer:

y</= 2

Step-by-step explanation:

9 + 1 = 10

9 + 2 < 10

y = anything < 2

4 0
3 years ago
Debra has ridden 57 miles of a bike course the course is 60 miles long what percentage of the course has Debra ridden so far
Reptile [31]

Hello!

To find our answer, we just divide.

57/60=0.95

We multiply by 100 to find our percent

100(0.95)-95

Therefore, our answer is 95%

I hope this helps!

4 0
3 years ago
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Which of the following statements are true of the discriminant? The discriminant is b2 – 4ac in the quadratic formula. The discr
steposvetlana [31]
A is true If im not mistaking 
7 0
3 years ago
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