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Irina-Kira [14]
2 years ago
11

I don’t understand can someone help me

Mathematics
1 answer:
Elden [556K]2 years ago
6 0
You set 49 equal to 8x - 15

So

8x - 15 = 49
+15 + 15

8x = 64

Then divide by 8

X= 8
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A multiplier of 1.641 corresponds to a percentage increase or decrease of what percent?
bezimeni [28]

Answer:

A multiplier of 1.641 corresponds to a percentage increase or decrease of 64.1%.

Step-by-step explanation:

To determine a percentage increase or decrease of a certain number, a calculation consisting of the multiplication of said number by 1 plus the decimals corresponding to the percentage to be increased must be performed. Thus, for example, if you want to increase a number by 50%, you must multiply that number by 1.50. Therefore, if you multiply a number by 1,641, this implies that you are wanting to increase or decrease the initial number by 64.1%.

6 0
3 years ago
If p and q vary inversely and p is 10 when q is 19 , determine q when p is equal to 2
GenaCL600 [577]
You divide 10 by 5 is two so 19 decided by five is 3.8
6 0
3 years ago
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6.<br> 12(30-12)<br> 3<br><br><br><br> helpppp
NemiM [27]

Answer:

648 is your answer

Step-by-step explanation:

hope this helps!!

3 0
3 years ago
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Find 2 sum whose sum is 4806 and difference is 1050 explanation​
arlik [135]

Answer:

The two numbers are 2928 and 1878

Step-by-step explanation:

Given this information, we can set up two equations:

x + y = 4806

x - y = 1050

We can solve these simultaneous equations by elimination, which means we can either add or subtract the two equations to solve one of the variables.

In this case, adding the equations together will eliminate y so we can solve for x (remember that y + - y is the same as y - y):

   x + y = 4806

+  x - y = 1050

____________

   2x     = 5856

This can then be simplified to x = 2928 (by dividing by 2)

Now we know x, we can substitute this value into any equation to find y:

2928 + y = 4806 so y = 4806 - 2928 which is 1878.

The two numbers are 2928 and 1878.

Hope this helps!

7 0
2 years ago
Here are the heights (in inches) of 8 students in a seminar.
EastWind [94]

Answer:

50%

Step-by-step explanation:

there are 8 students and 4 are shorter than 65 inches.

So 4 divided by 8 = 0.5 or 50%

7 0
2 years ago
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