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Elena L [17]
3 years ago
10

18.4x-3.1=12.4x-16.9

Mathematics
1 answer:
Blababa [14]3 years ago
7 0

Answer:

x=-2.3

hope this helps

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one angle of a linear pair is 10 more than two thirds the other angle. find the measure if both angles
BigorU [14]

Answer:

One Angle = 110°

Other Angle = 70°

Step-by-step explanation:

A linear pair means that two angles are in a straight line (or, a straight angle).

A straight line is 180 degrees.

THey are supplementary.

We can say one angle is "a" and another one is "b".

<em>One angle is 10 MORE THAN 2/3rds of the other, we can write:</em>

<em>a=\frac{2}{3}b+10</em>

<em />

<em>Also, since they are supplementary (add up to 180), we can write:</em>

<em>a + b = 180</em>

<em />

We can now substitute 1st equation in this one and find b:

a+b=180\\(\frac{2}{3}b+10)+b=180\\\frac{2}{3}b+b=180-10\\\frac{5}{3}b=170\\b=\frac{170}{\frac{5}{3}}\\b=170*\frac{3}{5}\\b=110

Since a + b = 180, we can write:

a + 110 = 180

so,

a = 180 - 110

a = 70

Thus,

One Angle = 110°

Other Angle = 70°

8 0
3 years ago
In paragraph for m, explain how one may determine when two triangles are congruent.give a diagram with labels and details to sup
Anon25 [30]
A pair of congruent triangles will have the same three side lengths and the same the angles. The equal sides and angles may not be in the same position due to turning or flipping, but they are always there. You can draw a phone with congruent lines on each triangle.

I hope this helps
5 0
3 years ago
(7 + (-3) - 4 ) ÷ ( (-7) x ( 2 - (-6) ) )<br><br> Please show work!
Temka [501]

Answer:

Undefined

Step-by-step explanation:

(7 - 3 - 4) ÷ (-7 * (2+6))

(0) ÷ (-56)

Undefined because zero cannot be divided

Hope this helps :)

5 0
3 years ago
Read 2 more answers
7 is subtracted from a number y. Then the result is multiplied by 3. The final answer is equal to 12.
Lana71 [14]

Step-by-step explanation:

\bull \:  \bf \: the \: equation \: is \\  \sf \hookrightarrow \: 3(y - 4) = 12 \\  \sf \hookrightarrow \: 3y - 12 = 12 \\  \sf \hookrightarrow \: 3y  = 12 + 12 \\  \sf \hookrightarrow \: 3y = 24 \\  \sf \hookrightarrow \: y =  \frac{24}{3}  \\  \sf \hookrightarrow \: y = 8

4 0
3 years ago
Find the gradient of the line segment between the points (-4,-5) and (2,-4).
dezoksy [38]

Answer:

1/6

Step-by-step explanation:

gradient= change in y/ change in x

-4--5/2--4= 1/6

1/6 is the gradient

8 0
3 years ago
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