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jok3333 [9.3K]
3 years ago
14

Please answer ASAP! Photo below!

Mathematics
2 answers:
Maru [420]3 years ago
7 0
B


-2 1/4 = -9/4
(-9/4)/(-2/3)
Sonbull [250]3 years ago
4 0

Answer:

the 2nd choice

Step-by-step explanation:

-2 1/4  ÷  (-2/3)= - 9/4 ÷ (-2/3)

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What is the sum of 10000+101010
vredina [299]

Answer:

111010

Step-by-step explanation:

it is the correct answer

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What is the area of this partial circle with a radius of 14 inch
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Step-by-step explanation:

Since this circle is partial we will divide the area of the whole circle by 2

the area of a circle is expressed by \pi r^2 so insert 14 for the radius.

14^2\pi

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divide the area by 2

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Hope that helps :)

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The equation f(x) = 3x2 − 24x + 8 represents a parabola. What is the vertex of the parabola?
s2008m [1.1K]

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5 0
3 years ago
Write 5 and 2/5 as a decimal
Alenkasestr [34]

Answer:

5.4.

Step-by-step explanation:

If we divide 2 by 5 we get 0.4

So 5 and 2/5 = 5.4

7 0
3 years ago
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5) In the figure, triangle ABC is a right triangle at B. If CD = 15, find BC to the nearest tenth.
ycow [4]

Answer:

BC ≈ 4.0

Step-by-step explanation:

∠ DCA = 180° - 70° = 110° ( adjacent angles )

∠ DAC = 180° - (30 + 110)° ← sum of angles in triangle

∠ DAC = 180° - 140° = 40°

Using the Sine rule in Δ ACD to find common side AC

\frac{AC}{sin30} = \frac{15}{sin40} ( cross- multiply )

AC × sin40° = 15 × sin30° ( divide both sides by sin40° )

AC = \frac{15sin30}{sin40} ≈ 11.668

Using the cosine ratio in right triangle ABC

cos70° = \frac{adjacent}{hypotenuse} = \frac{BC}{AC} = \frac{BC}{11.668} ( multiply both sides by 11.668 )

11.668 × cos70° = BC , then

BC ≈ 4.0 ( to the nearest tenth )

6 0
3 years ago
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