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Dvinal [7]
3 years ago
14

Question in the image below:

Mathematics
1 answer:
horrorfan [7]3 years ago
4 0

Answer:

x = 5/33 or 0.151515151

Step-by-step explanation:

7(-6x-2) = 8(3x-4)

step 1: simplify the equation.

-42x - 14 = 24x - 4

step 2: isolate the variable (using the balance method).

-42x - 14 + 14 = 24x - 4 + 14

-42x = 24x + 10

-42x - 24x = 24x - 24x + 10

-66x = 10

step 3: solve for x.

x = 10 ÷ -66

x = 5/33

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40% of the children in a sports club play badminton. 25% of the children who play badminton also play squash. There are 11 child
Keith_Richards [23]

Answer:

There are 110 children total in the sports club

Step-by-step explanation:

To get this answer, its actually easier than it seems. You might need a calculator however.

First you start with the 11 children who play both badminton and squash, then, you divide that by 0.25 (25%) to get 44.

Next you take 44 and divide it by 0.4 (40%) to get 110.

And there you go! If you want to make sure you got it right simply start with 110 and multiply it by 0.4 then multiply the number/decimal you get by 0.25. You should get 11 to confirm your answer :)

6 0
4 years ago
Joe needs to buy supplies for a birthday party. At the store, balloons cost $0.50 each and party hats each cost $1.25. If Joe wa
VladimirAG [237]

Answer:

0.50b+1.25h=20

Step-by-step explanation:

Let b be the number of balloons and h be number of party hats.

We have been given that balloons cost $0.50 each, so cost of b balloons will be 0.50b.

We are also told that party hats each cost $1.25, so cost of h party hats will be 1.25h.

Further, Joe wants to spend exactly $20 on the party supplies. We can represent this information in an equation as:

0.50b+1.25h=20

Therefore, the equation 0.50b+1.25h=20 represents the number of balloons ( b) and the number of party hats ( h) that Joe can buy spending exactly $20.

5 0
3 years ago
Whats 3 = 1x? <br> somebody pls answer this it's a quiz and I CAN'T THINK!!
goblinko [34]
The answer is x=3
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4 0
3 years ago
Read 2 more answers
I need help with one more of these.
nataly862011 [7]
I think it is yz but I and not completely sure
6 0
3 years ago
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A die is a cube with 1 edgemeasuring 0.62 inches. Find the total volume of the 5 dice in agame.
igomit [66]

The volume of one die is the edge to the power of 3:

V=0.62^3in^{3^{}}.

The total volume is five times the above volume:

5V=1.19164in^3.

Answer:

1.19164in^3

5 0
1 year ago
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