2 years ago

Help answer this question

Mathematics

1 answer:

Zarrin [17]2 years ago

7 0

In my opinion a is the coorest answer

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Please help me with this

zzz [600]

Answer: Z'(-7;8)

suppose the coordinates of Z' is Z'(x,y)

we have:

$\left \{ {{x=8.cos90-7.sin90=-7} \atop {y=8.sin90+7.cos90=8}} \right.$

=> Z'(-7;8)

Step-by-step explanation:

3 0

2 years ago

Please solve the following right triangle below. The round the following decimal answers to the nearest tenth.

alekssr [168]

$K=180^{\circ}-90^{\circ}-40^{\circ}=50^{\circ}$ .

$KL=\sin(40^{\circ})\cdot8\approx5.1$ .

$ML=\cos(40^{\circ})\cdot8\approx6.1$ .

Hope this helps.

8 0

3 years ago

Elaina is planning to save enough money to buy laptop computer. She needs $600. She already has $200 in her bank account. She is

Natali [406]

Answer: 200+40x=600

Step-by-step explanation:

200+40x=600

600-200=400

40x=400

40/40= 1 or x

400/ 40=10

x=10

5 0

3 years ago

An aircraft takes off and climbs at a constant 30° angle until it reaches an altitude of 6 miles.

Firlakuza [10]

Answer:

10.4 miles

Step-by-step explanation:

Let the horizontal distance is x

<u>Use tangent to solve this:</u>

tan 30° = 6/x
x = 6 / tan 30°
x = 10.4 mi (rounded)

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2 years ago

Quadrilateral G, H, I, J has vertices G(-1,2), H(-1,4), I(-2,5) and

bonufazy [111]

I think the answer Is D fame

6 0

2 years ago