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Nitella [24]
3 years ago
14

Consider the following equations:

Mathematics
1 answer:
Dmitry [639]3 years ago
8 0

Answer:

The Answer is: (-2,1)

Step-by-step explanation:

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Heelp will give brianliest
gizmo_the_mogwai [7]

Answer:

256

Step-by-step explanation:

4(7)^2 + 30(2)

196 + 60 = 256

4 0
3 years ago
A student earned a grade of 80% on a math test that had 20 problems. How many problems on this test did the student answer corre
boyakko [2]

Answer:

16 problems.

Step-by-step explanation:

100% divided by 20 questions.

100/20 is equal to 5, therefore each question is worth 5 points.

Grade of 80% divided by points per question.

80/5 is 16 so the student answered 16 questions correctly.

6 0
2 years ago
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Find angle A and angle E
riadik2000 [5.3K]

Answer:

m∠A = 50°

m∠E = 50°

Step-by-step explanation:

7x - 17 and 2x + 8 are same side exterior angles. They have a sum of 180°.

7x - 17 + 2x + 8 = 180

9x - 9 = 180

9x = 189

x = 21

∠A and 7x - 17 are supplementary. ∠E and 2x + 8 are vertical angles.

m∠A + 7x - 17 = 180

m∠A + 7(21) - 17 = 180

m∠A + 147 - 17 = 180

m∠A + 130 = 180

m∠A = 50

m∠E = 2x + 8

m∠E = 2(21) + 8

m∠E = 42 + 8

m∠E = 50

8 0
2 years ago
Can an object be in pure translation as well as in pure rotation simultaneously?
Inessa [10]
  <span>"Pure translational" motion means the object is moving from place to place but isn't rotating at all. Mathematically, that means every point on the object has the same velocity vector as every other point on the object. For example, say you have a box that's sliding along the ground, and say each corner on the box is moving at 15 feet per second at an angle of 26 degrees west of north. Since every point on the box has the same velocity vector, the motion is "pure translational." 

"Pure rotational" motion means the object is rotating, but its position in space isn't changing. Mathematically, that means that every point on the object moves in a circle around some axis (usually through the object's center of mass).

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
</span>
5 0
3 years ago
4x + 2 = 5(x + 10) what is x
Leya [2.2K]
The answer would be -48
3 0
3 years ago
Read 2 more answers
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