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VikaD [51]
4 years ago
7

9.25 − 4.5q = -19.37 − 15.1q

Mathematics
1 answer:
Natalija [7]4 years ago
5 0

Step 1: Simplify both sides of the equation.

9.25−4.5q=−19.37−15.1q

9.25+−4.5q=−19.37+−15.1q

−4.5q+9.25=−15.1q−19.37

Step 2: Add 15.1q to both sides.

−4.5q+9.25+15.1q=−15.1q−19.37+15.1q

10.6q+9.25=−19.37

Step 3: Subtract 9.25 from both sides.

10.6q+9.25−9.25=−19.37−9.25

10.6q=−28.62

Step 4: Divide both sides by 10.6.

\frac{10.6q}{10.6} =  \frac{-28.62}{10.6}

q=−2.7

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Sally is planning a trip for 225 students
Gala2k [10]

Answer: 75 students.

Step-by-step explanation:

In the data set we have a total of 10 + 8 + 7 + 5 = 30 students.

of those, 10 want to go to the park, the percentage is:

(10/30)*100% = 33.3%

Then, out of the 225, we can expect that a 33.3% (or 0.333 in decimal form) want to go to the park, this is:

N = 225*0.333% = 74.925

We can roud it up, and get N = 75

So Sally can expect that 75 students want to go to the park

4 0
3 years ago
28 is what percent of 51
AVprozaik [17]
I got 54.90196 for that problem
3 0
3 years ago
What is 6(5g + 2) = 30g​
Scrat [10]

Answer:

g ∈ ∅

Step-by-step explanation:

Expand the expression

30 g + 12 = 30  

Cancel out the 30g on both sides

12 = 0

Decide whether the statement is true or false

g ∈ ∅

8 0
3 years ago
The area of the trapezium is four times the area of the parallelogram. Work out the value of x
Rina8888 [55]

Answer:

2.5cm

Step-by-step explanation:

area of trapezium = 4 * area of parallelogram

1/2(a+b)*h=4* bh

1/2(5+11)*4= 4* 3.2x

8*4=4*3.2x

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3 0
3 years ago
7d-12+2d+3=18 solve variable. include steps, also check your answer!
fiasKO [112]

Answer:

d = 3

Step-by-step explanation:

7d - 12 + 2d + 3 = 18

9d - 9 = 18

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d = 3

CHECK:

7(3) - 12 + 2(3) + 3 = 18

21 - 12 + 6 + 3 = 18

18 = 18

4 0
3 years ago
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