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Colt1911 [192]
2 years ago
14

PLEASE EXPLAIN FOR 23 POINTS AND BRAINLIEST!!!

Mathematics
1 answer:
fredd [130]2 years ago
3 0

Answer:

<u>ST</u><u>=</u><u>6</u>

Step-by-step explanation:

Since the question said they were approximate it means that the difference between every side's length is the amount added to the smaller one to get the bigger triangle. You find the difference (which is 2,by the way (7-5 or OC-OU)) of the given side's and relate their similarities (in this case we'll add, so it's the difference plus the other side). We've been given TU as 4 so ST=TU+2, ie. 4+2=ST

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_____ cups rice is equivalent to 1 pound
Tanya [424]

Answer:

2.5 cups is equal to 1 pound.

Step-by-step explanation:

___2.5__ cups rice is equivalent to 1 pound

Hope This Helped

7 0
1 year ago
Read 2 more answers
It took Mary 1.5 hours to bicycle 39km. Then she slowed down and took another 3 hours to bicycle 51 km more. Find her average sp
Goshia [24]
39/1.5 = 26 km per hour
51/3 = 17 km per hour
Then you need the mean. 26+17/2 = 21.5 km per hour
4 0
3 years ago
Can someone please help me asap?
pashok25 [27]

find the area the get the premiraterStep-by-step explanation:add

3 0
2 years ago
What’s the answer for this?
Yuliya22 [10]

Answer:

1.98

Step-by-step explanation:

sin(26) = EF/4.5 -->

.44 = EF/4.5 -->

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1.98 = EF

5 0
3 years ago
If arc EF = 151°, find mEDF.
user100 [1]
There is a theorem that says that this angle (formed by thre points on the circumference) is half such arc called EF.

We can deduct it as well.

1) Call O the center of the circle. The central angle (EOF) = arc EF = 151°

2) Draw a chord from F to D and other chord from D to E.

You have constructed two triangles, FOD and DOE.

3) Triangle FOD has two sides equals (because both are the radius of the circcle). Then, this is an isosceles triangle and it has two angles of the same measure. Call this measure a.

4) Triangle DOE is also isosceles, for the same reason explained in the poiint 3. Call the measure of its equal angles b.

5) The sum of the angles of the two triangles is 180° + 180 ° = 360°.

This is a + a + b + b + (360 - central angle) = 360°

=> 2a + 2b = central angle
=> 2(a+b) = cantral angle
=> (a+b) = central angle / 2 = 151° / 2 =71.5°

(a+b) is the angle that you are looking for.

Then the answer is 71.5°

 
4 0
3 years ago
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