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ValentinkaMS [17]
4 years ago
7

PLEASE PLEASE PLEASE HELP!! Explanations on how to set it up would be great!

Mathematics
1 answer:
faltersainse [42]4 years ago
8 0
Opposite sides of a parallelogram are congruent.
3x+ 2= 4x-3
Subtract 3x from both sides
2= x -3
Add 3 to both sides
5= x

2y+7=4y-9
Subtract 2y from both sides
7= 2y -9
Add 9 to both sides
16 = 2y
Divide by 2 on both sides
8 = y
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The figure is made up of a cylinder, a cone, and a half sphere. The radius of the half sphere is 3 inches. What is the volume of
zavuch27 [327]

Looks like your figure is missing...

Could you repost it with the figure next time?

Someone will solve it for sure.

Regards;

Leukonov.

8 0
4 years ago
Questione Simplify Cosa + 2Cos(a +240")​
melamori03 [73]

Step-by-step explanation:

\cos(a)  + 2 \cos(a + 240)

\cos(a)  + 2 \cos(a)  \cos(240)  -  \sin(a)  \sin(240)

\cos(a)  + 2( -  \frac{ \cos(a) }{2}  +   \frac{ \sqrt{3} }{2}   \sin(a) )

\cos(a)  -  \cos(a)  +  \sqrt{3}  \sin(a)

\sqrt{3}  \sin(a)

If you graph the new identity, and the og identiy, they will be conciding graphs, so they are the same identity.

7 0
3 years ago
Jack has a business mowing lawns and charges a flat fee of $20 per yard, plus an additional $5 an hour. He wants to make sure th
podryga [215]
If you do 20 + 5x = 70, that'll give you the total hours (x)

70-20 = 50,
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6 0
3 years ago
Read 2 more answers
Which shows the following expression after the negative exponents have been eliminated? m^7 n^3/ mn^-1 assume m=0 and n=0
aliina [53]

Given expression is \frac{m^7n^3}{mn^{-1}}.

where m \neq 0, n \neq 0,

Now we have to simplify this and find the next step so that negative exponent gets eliminated.

We know that when negative exponent changes sign, then it moves from numerator to denominator or from denominator to numerator as shown in the formula:

x^{-m}=\frac{1}{x^m}

or\frac{1}{x^{-m}}=x^{m}


n has negative exponent in denominator so it will move to numerator and we get:

\frac{m^7n^3n^1}{m}

or \frac{m^7n^3n}{m}

Hence final answer is \frac{m^7n^3n}{m}.

8 0
3 years ago
Read 2 more answers
Question Progress
kozerog [31]
5 - 2 times 38 is -71.
Have a nice day
7 0
4 years ago
Read 2 more answers
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