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charle [14.2K]
3 years ago
9

Please help and show the work

Mathematics
1 answer:
ozzi3 years ago
3 0

9514 1404 393

Answer:

  (C) no solutions

Step-by-step explanation:

If you multiply the first equation by 2, you get ...

  2x +2y = 4

When you compare this to the second equation ...

  2x +2y = 8

you realize there are <em>no values of x and y that can satisfy both equations</em>. There are no solutions.

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2) Find BC<br> С<br> 67<br> 52<br> 4<br> B<br> 21<br> A) 20<br> C) 20.7<br> B) 16<br> D) 18
JulsSmile [24]

Answer:

i got D

Step-by-step explanation:

<u>sin 67</u><u> </u> = <u>sin</u><u> </u><u>5</u><u>2</u>

21 BC

BC=17.98

BC=18

8 0
3 years ago
Derrick's Dog Sitting and Darlene's Dog Sitting are competing for new business. Derrick's Dog Sitting
yanalaym [24]

Answer

The cheaper dog sitter is Derrick's.

Step-by-step explanation:

You did not really ask a question here but i am assuming that your asking who is the cheaper route.

4 0
3 years ago
Which of these statements are correct about two parallel lines in a coordinate plane? Select three that apply.
Goryan [66]

Answer:

Step-by-step explanation:

4 0
3 years ago
If quadrilateral PQRS is a kite, which statements must be true? Check all that apply.
mel-nik [20]

A kite is a quadrilateral in which two disjoint pairs of consecutive sides are congruent (“disjoint pairs” means that one side can’t be used in both pairs).

Then:

  • Two disjoint pairs of consecutive sides are congruent by definition - QP≅QR and QR is not congruent to RS (one side can’t be used in both pairs);
  • One diagonal (segment QS, the main diagonal) is the perpendicular bisector of the other diagonal (segment PR, the cross diagonal), so PM≅MR;
  • The opposite angles at the endpoints of the cross diagonal are congruent, thus ∠QPS≅∠QRS.
  • ∠PQR is not congruent to ∠PSR, because they are not angles at the endpoints of the cross diagonal.

Answer: correct options are A, B and E.

3 0
4 years ago
Read 2 more answers
Estimate the area of tje fan if m
kati45 [8]

Answer:

Area of the given fan is 763.4 cm²

Step-by-step explanation:

Area of a sector in a circle = \frac{\theta}{360}(\pi r^2)

Here, angle θ = Central angle subtended by the arc

r = Radius of the circle

Since, fan is in the form of a sector of a circle with radius = 27 cm

Measure of the central angle subtended by the arc FN = ∠FAN = 120°

Area of the fan = \frac{120}{360}(\pi )(27)^2

                         = \frac{729\pi }{3}

                         = 243π

                         = 763.407

                         ≈ 763.4 cm²

Therefore, area of the given fan is 763.4 cm²

8 0
3 years ago
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