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siniylev [52]
3 years ago
15

1 أعط ثلاثة أمجلة

Mathematics
1 answer:
777dan777 [17]3 years ago
3 0

Answer:

? what is this girbish

Step-by-step explanation:

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Trigonometry
Alchen [17]

The area of the triangle PQR is 17.6 square units.

Explanation:

Given that the sides of the triangle are PQ = 12 and PR = 3 and m\angle P = 78^{\circ}

We need to determine the area of the triangle PQR

<u>Area of the triangle:</u>

The area of the triangle can be determined using the formula,

\text {Area}=\frac{1}{2} qr \sin P

Substituting the values, we get,

\text {Area}=\frac{1}{2}(12)(3) \sin 78

Simplifying, we have,

\text {Area}=\frac{1}{2}(36)(0.98)

Multiplying the terms, we have,

\text {Area}=\frac{35.28}{2}

Dividing, we get,

\text {Area}=17.64

Rounding off to the nearest tenth, we have,

Area=17.6

Thus, the area of the triangle PQR is 17.6 square units.

3 0
3 years ago
Read 2 more answers
What is the answer to this please
Alex_Xolod [135]
Domain: x≤5 (notice the closed dot on the right and the arrow on the left)
Range: y≤2 (notice the closed dot on the right and the arrow on the left)

The arrow means it keeps going infinitely. The closed dot means it stops there but is inclusive of that value.
3 0
3 years ago
What is the area of the figure on the coordinate plane below?
Alex787 [66]

Answer:

A 144units ^ 2

Step-by-step explanation:

5 0
3 years ago
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Melinda and Loren were building a snow fort. Melinda said that the fort was five feet high. Loren said that it was five inches h
Alexxx [7]

Answer:

5 ft melinda

Step-by-step explanation:

5 inches is like the length of your hand

5 0
2 years ago
Read 2 more answers
What is an equivalent expression for (x + 7)(x + 1).
kakasveta [241]

Answer:

x2−8x 7

Step-by-step explanation:

4 0
3 years ago
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