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Strike441 [17]
3 years ago
15

What is the measure of one interior angle of a regular polygon that has 40 sides?

Mathematics
1 answer:
s344n2d4d5 [400]3 years ago
8 0
Hope this is correct and hope it helps x

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Solve the system of equations by substitution. 3/8 x + 1/3 y =17/24 and <br> x + 7y = 8
goblinko [34]
\left \{ {{ \frac{3}{8}x+ \frac{1}{3}y  = \frac{17}{14} } \atop {x+7y=8}} \right.

To solve this system by substitution, first isolate x in the second equation.

x+7y=8
x+7y-7y=8-7y
x=8-7y

Now, plug this expression (8-7y) for x in the top equation to solve for y.

\frac{3}{8} (8-7y)+ \frac{1}{3} y= \frac{17}{14}
3- \frac{21}{8} y+ \frac{1}{3} y= \frac{17}{24}
72-63y+8y=17
72-55y=17
-55y=17-72
-55y=-55
y=1

Now that you have y, plug it into the second equation and solve for x.

x+7y=8
x+7(1)=8
x+7=8
x=1

Last step is to plug your x- and y-values in to both equations to check your work.

\frac{3}{8} (1)+ \frac{1}{3} y= \frac{17}{24}

\frac{3}{8} * \frac{3}{3} = \frac{9}{24} ;  \frac{1}{3} * \frac{8}{8} = \frac{8}{24}

\frac{9}{24} + \frac{8}{24} = \frac{17}{24}  <--True

1+7(1)=8
1+7=8   <--True

Answer:
x=1 \\ y=1
5 0
4 years ago
A 15 oz can of peaches costs $1.99 and a 24 oz can of peaches cost $2.55. How much is the price per ounce of the 15 oz can of pe
Natalka [10]
Divide the price by the number of ounces.

=$1.99 ÷ 15 ounces
=$0.13

The price per ounce of the 15 ounce can is $0.13.

Hope this helps! :)
6 0
3 years ago
Read 2 more answers
Which equation is equivalent to <br> −<br> (<br> 6<br> −<br> x<br> )<br> =<br> 24<br> ?
kondor19780726 [428]
(6-x)=24

X=-18

If you subtract a negative number with a positive number it adds them together making it positive (6- -18)=24
8 0
3 years ago
How are points graphed on a coordinate plane?
bogdanovich [222]
Points are graphed on a coordinate plane by placing a dot on a location on a graph.
8 0
4 years ago
Read 2 more answers
Can anyone help me solve some of these
Andrews [41]

The answer to the sunset question is 16 F.

Work Example:

With the number -2, you can order the work simple like these examples over here.

18 + (-2) = 16.

The problem is usually written like this, and here is a little trick. When a positive number is added to a negative number, instead of adding itself, it subtracts the positive form of the negative number with 18, which is our positive number.

18 - 2 = 16.

If you place the -2 as the second number in the equation, the negative works nicely and looks like a minus sign. Or, you can do it in a different way.

4 0
4 years ago
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