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Zolol [24]
3 years ago
10

Check all that apply

Mathematics
1 answer:
lozanna [386]3 years ago
3 0

Answer:

D. be congruent

Step-by-step explanation:

vertical angles are angles that are across from each other on intersecting lines and they are always congruent

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Solving quadratic equations solve: x^2=81
xenn [34]

Answer:9

Step-by-step explanation:

Square root of 81 is9.

8 0
3 years ago
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A shoebox is 14 inches long and 9 1/2 inches wide. Its volume is 665 cubic inches. Which equation can you use to find how tall t
Vilka [71]

Lets see

  • Volume=Length ×Breadth ×Height

B=9 1/2=9.5in

L=14in

Now

  • 665=14(9.5)H
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7 0
2 years ago
In a class of 25 students, 18 of them brought in permission slips for a field trip.
natali 33 [55]

Answer:

A.18/25

B.72% of them brought in their permission slips

C.0.72

D.There the exact same value and we would divide by 100 to go from percentage to decimal and multiply by 100 to go to decimal to percentage Sign.

Step-by-step explanation:

3 0
3 years ago
Jack and Jill both start at point A. They each walk in a straight line at an angle of 105° to each other. After 45 minutes Jack
ASHA 777 [7]

Answer: The distance between them is 8.38 km

Step-by-step explanation:

Let's suppose both of them start at the point (0km, 0km), and that Jack walks along the positive x-axis, then Jill walks at an angle of 105° measured from the positive x-axis.

After 45 minutes, jack has walked 4.5km, then if his initial position was (0 km, 0 km)

Then his new position will be (4.5km, 0km)

Jill has walked 6km, but we need to write this in rectangular components.

We can think in this as a triangle rectangle, then the components will be:

x-component = 6 km*cos(105°) = -1.55 km

y-component = 6km*sin(105°) = 5.80 km

Then the new position of Jill is ( -1.55km, 5.80km)

Now, we know that the distance between two points (a, b) and (c, d) is:

Distance = √( (a - c)^2 + (b - d)^2)

Then the distance between Jill and Jack will be equal to the distance between ( -1.55km, 5.80km) and (4.5km, 0km)

This is:

Distance = √( (-1.55km - 4.5km)^2 + (5.80km - 0km)^2)

Distance = 8.38 km

This means that they are 8.38km apart.

4 0
2 years ago
I need this done today<br> 3 yards 2 feet = __________ ft
vfiekz [6]

Answer:

11 feet

Step-by-step explanation:

3 yards equals 9 feet because there are 2 feet in one yard. 2*3=9

9+2= 11

7 0
2 years ago
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