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fgiga [73]
3 years ago
14

Which is an obtuse angle? A. ∠ABC B. ∠BCA C. ∠CAB D. ∠BAC

Mathematics
1 answer:
alex41 [277]3 years ago
8 0
Angle BCA is an obtuse angle.

Hope this helps !! :)

 
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Suppose that the number of cars manufactured at an automobile plant varies Jointly as the number of workers and the time they wo
12345 [234]

Answer:

It takes 33 hours to produce 66 cars.

Step-by-step explanation:

When dividing 220 workers buy the amount of cars produced the amount of time spent on making 66 cars is 33 hours.

Easier Explaination:

Divide the amount of workers to the cars produced to find out how many hours it takes.

7 0
3 years ago
Determine the quotient of 2/3 divided by 4 using a visual model. Show me how..,
azamat
4 divided by 2/3 equals 6. And 2/3 divided by 4 equals about 0.1666

First you would write it as 4/1 divided by 2/3, then you would you keep, change, flip. If you do not know how to keep,change,flip just keep the first fraction then change the division sign to multiplication then flip the last fraction. Then you should get the answer. And if you need to simplify make sure to do that.
5 0
3 years ago
Is x = -7, the solution to -11 + 2x = -26? Justify your answer in complete sentences.
Natali5045456 [20]
First of all, you can move the +2x to the other side:
-11 = -26 - 2x

Then you can move the -26 to the other side and then simplify:
-11+26 = -2x
 15 = -2x

Then you can divide both sides by 2:
7.5 = -x

Then you can flip the sides and the signs around:
x = -7.5

No, The answer is not -7, it is -7.5
Hope this helps! :)
4 0
3 years ago
Finish the steps below to write a quadratic function for the parabola shown. Use the vertex form, f(x) = a(x – h)2 + k, and subs
Marta_Voda [28]
We have

f(x) = a(x – h)²<span> + k
 we know the vertex v(5,3)
</span><span>substitute in the values for h and k
</span>f(x) = a(x – 5)²<span> + 3 
</span><span>Use another point and substitute in values for x and f(x). 
for the point (6,5)
</span><span>Solve for a.
5 = a(6 – 5)2 + 3-------------- > 5=a+3-------------> a=2
</span>
The function is f(x)=a(x – h)2 + k-------- > 2(x – 5)² + 3
f(x)= 2(x – 5)² + 3-------- > 2[x²-10x+25]+3=2x²-20x+50+3=2x²-20x+53
f(x)=2x²-20x+53
<span>
the answer is f(x)=</span> 2(x – 5)² + 3----------------- > (f(x)=2x²-20x+53)<span>

</span>
8 0
3 years ago
Read 2 more answers
Figure B is a scaled copy of Figure A.<br> What is the scale factor from Figure A to Figure B?
san4es73 [151]

Answer:

3

Step-by-step explanation:

5 0
4 years ago
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