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Andrew [12]
3 years ago
12

Im new someone please help​

Mathematics
1 answer:
Novosadov [1.4K]3 years ago
6 0

Angle 3 and 4 are supplementary angles and create a straight line.

This means when added together they need to equal 180 degrees.

Angle 3 = 180 - angle 4

Angle 3 = 180-40 = 140 degrees.

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2x + 3y = 2<br> y = {x+3
FrozenT [24]

The solution of the system is (-2,2)

Step-by-step explanation:

a solution is a system of equations intersecting.

on the graph you can see that the lines intersect at (-2,2)

8 0
3 years ago
Simplify 3(2 - c) - C​
kondor19780726 [428]

Answer:

6-3c-C

Step-by-step explanation:

3(2-c)-C

3(2)-3(c)-C

6-3c-C

7 0
3 years ago
Read 2 more answers
Help with 2&amp;3?? Please will mark brainiest of correct
Murrr4er [49]
2 wrong 3 right because you might added wrong
5 0
3 years ago
Read 2 more answers
Thanks for the help!
NikAS [45]

Answer:

A

Step-by-step explanation:

So we have the piecewise function:

f(x)= \begin{cases}\sqrt{2x} & \text{if }x

And we want to find f(8).

Since our input value is 8, choose the equation that fits our input.

The first equation demand x to be less than 3. 8 is not less than 3, so we won't use that.

The second equation demand x to e greater than or equal to 3 and less than 8. 8 is <em>not</em> less than 8. So, we won't use that.

The third equation demands x to be greater than or equal to 8. 8 is greater than or equal to 8, so we'll use the third equation.

So:

f(x)=42\text{ if }x\geq 8

f(8)=42

There're nothing more to do, we're done :)

The answer is A.

Edit: Improved Format

3 0
4 years ago
A petrol pump can hold enough petrol to supply 80
liberstina [14]
The answer is 56 cars because there is 2800 litres in the pump so if its 50 litres its going to be 2800/50=56
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