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Zanzabum
3 years ago
15

In this triangle, what is the measure of the exterior angle?

Mathematics
1 answer:
almond37 [142]3 years ago
5 0
The question is set up oddly, but if they mean that one of the interior angles of a triangle measures 52degrees, what is the measure of its exterior angle, the you’d do the following: 180 (since they would form a linear pair) - 52 = 128 degrees.
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A delivery truck is transporting boxes of two sizes: large and small. The large boxes weigh 50 pounds each, and the small boxes
skad [1K]
So this is how we are going to solve for the given problem above.
Given that x = number of large boxes
and 120-x = number of small boxes.
So here is the solution:
50x + (120-x)20 = 4050
50x + 2400 - 20x = 4050
30x + 2400 = 4050
30x = 4050 - 2400
30x = 1650 <<divide both sides by 30
x = 55.
Therefore, there are 55 large boxes
120 - x = small boxes
120 - 55 = 65 small boxes.
Hope this is the answer that you are looking for.
Let me know if you need more help next time!

6 0
3 years ago
A circular swimming pool has a radius of 28 ft. There is a path all the way around the pool that is 4 ft wide. A fence is going
Vesnalui [34]

Answer:

length of fence =201 ft

Step-by-step explanation:

radius including path=28+4=32 ft

circumference=2πr=2×3.14×32≈201 ft.

7 0
3 years ago
What scale factor was applied to the first rectangle to get the resulting image? The answer is a decimal. The big rectangle is 2
Juli2301 [7.4K]
Scale factor is always (new/original)

so it depends which rectangle came first. if it started as large and was dilated to the smaller one, then the ratio is (.5/2.5) which simplifies to 1/5 or 0.2.
3 0
3 years ago
Angles α and β are angles in standard position such that: α terminates in Quadrant II and sinα = 3/5, β terminates in Quadrant I
777dan777 [17]

We are given

Angles α and β are angles in standard position

and

α terminates in Quadrant II

β terminates in Quadrant I

and we have

sin(\alpha)=\frac{3}{5}

we can use triangle and find cos(α)

we get

cos(\alpha)=-\frac{4}{5}

and we have

cos(\beta)=\frac{4}{5}

we can draw triangle

sin(\beta)=\frac{3}{5}

now, we can use formula

cos(\alpha+\beta)=cos(\alpha)cos(\beta)-sin(\alpha)sin(\beta)

now, we can plug values

cos(\alpha+\beta)=-\frac{4}{5}\times \frac{4}{5}-\frac{3}{5}\times \frac{3}{5}

now, we can simplify it

cos(\alpha+\beta)=-\frac{16}{25}-\frac{9}{25}

cos(\alpha+\beta)=-\frac{(16+9)}{25}

cos(\alpha+\beta)=-\frac{(16+9)}{25}

cos(\alpha+\beta)=-\frac{25}{25}

cos(\alpha+\beta)=-1...............Answer

3 0
3 years ago
I need help with the top part
mrs_skeptik [129]

Answer:

1. (1, 2)

2. (-5, 7)

3. (-6, -5)

4. (0, -3)

Step-by-step explanation:

(1 - 4) Explanation:

If we're asked to move to the right, make the x-coordinate a positive number.

If we're asked to move to the left, make the x-coordinate a negative number.

If we're asked to move upwards, make the y-coordinate a positive number.

If we're asked to move downwards, make the y-coordinate a negative number.

5 0
3 years ago
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