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Aloiza [94]
3 years ago
8

PLEASE HELP I GIVE THANKS

Mathematics
1 answer:
Brrunno [24]3 years ago
5 0
To figure this out, we use the Pythagorean theorem; a^{2} + b^{2} = c^{2}
x=8in and z=√100in
8²+y²=(√100)²
64+y²=100
y²=100-64
y²=36
√(y²)=√36
y=6
The answer is C: 6 in
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Podcza

7 0
3 years ago
Given: ABCD parallelogram BK ⊥ AD , AB = 6, AK = 3 Find: m∠A, m∠B, m∠C, m∠D
Troyanec [42]

Answer: Angle A = 60°, angle B = 120°, angle C = 60°, angle D = 120°

Step-by-step explanation: Please refer to the attached diagram for further details.

The question has given the parallelogram ABCD as having side AB measuring 6 units, side AK measuring 3 units and line BK has been drawn perpendicular to line AD. This means line AK forms a right angle at the point where it meets line AD. From the information provided and the figure derived from that, we have right angled triangle ABK with the right angle at point K, line AB equals 6 units and line AK equals 3 units.

Using angle A as the reference angle, line AK is the opposite (side facing the reference angle), line AB is the hypotenuse (line facing the right angle) and line AK is the adjacent (side that lies between the right angle and the reference angle).

Hence, using the trigonometric ratios,

Cos A = adjacent/hypotenuse

Cos A = 3/6

Cos A = 0.5

Checking with the calculator, (that is second function of Cos 0.5)

A = 60

The opposite sides of a parallelogram are equal (that is line AD is parallel to line BC) and therefore opposite angles are equal (that is angle A is equal to angle C).

Similarly, angle B is equal to angle D. However, angles in a quadrilateral equals 360 degrees.

Therefore, angles in parallelogram ABCD is derived as;

A + B + C + D = 360

60 + B + 60 + D = 360

120 + B + D = 360

Subtract 120 from both sides of the equation

B + D = 240

Having known that angle B equals angle D, angles B and D is derived as each half of the value 240

Angle B = 240/2

Angle B = 120

and angle D = 120

Therefore, the angles are;

A = 60, B = 120, C = 60, D = 120

3 0
3 years ago
4=y divided by 3. what is y
Marrrta [24]

Answer:

y = 9

Step-by-step explanation:

1) Multiply both sides by 3.

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2) Simplfiy 3 × 3 to 9.

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3) Switch sides.

9

6 0
2 years ago
Read 2 more answers
ali buys 120 cans of drink for a total of £30. He wants to make a profit of 40%. What price should he charge each can for him to
Dafna11 [192]
30*(100%+40%)
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140% as a decimal is (140/100) which is 1.4
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42/120=0.32.

Ali should sell each can for $0.32

Hope this helps :)
7 0
3 years ago
Read 2 more answers
4. A local school is conducting a fundraiser. The relationship between the number of raffle
murzikaleks [220]

Answer:

4. D.$500

5. 165 Im not sure on this one

Step-by-step explanation:

4. 5/25=5 thats how many one costs, then you do 500/5=100

5 0
3 years ago
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