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Svetllana [295]
3 years ago
12

Which view is not correct for the figure above?

Mathematics
1 answer:
Bezzdna [24]3 years ago
4 0

Answer:

Front

Step-by-step explanation:

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UNO [17]

Answer:

1. its substitution

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3. order of operations

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Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
can someone solve these two equations 2/8=3/r and the next problem is 2/5=9m/8 these are two different problems
Drupady [299]
(1) 3/4=r

(2) 16/45=m
7 0
3 years ago
Use a double angle or half angle identity to find the exact value of each expression
STatiana [176]

Answer:

Step-by-step explanation:

There are 2 very distinct and important things that we need to know before completing the problem. First is that we are given that the cos of an angle is 1/3 (adjacent/hypotenuse) and it is in the first quadrant. We also need to know that the identity for sin2θ = 2sinθcosθ.

We already know cos θ = 1/3, so we need now find the sin θ. The sin ratio is the side opposite the angle over the hypotenuse, and the side we are missing is the side opposite the angle (we do not need to know the angle; it's irrelevant). Set up a right triangle in the first quadrant and label the base with a 1 (because the base is the side adjacent to the angle), and the hypotenuse with a 3. Find the third side using Pythagorean's Theorem:

3^2=1^2+y^2 which simplifies to

9=1+y^2 and

y^2=8 so

y=\sqrt{8}=2\sqrt{2} so that's the missing side. Now we can easily determine that

sin\theta=\frac{2\sqrt{2} }{3}

Now we have everything we need to fill in the identity for sin2θ:

2sin\theta cos\theta=2(\frac{2\sqrt{2} }{3})(\frac{1}{3}) and multiply all of that together to get

2sin\theta cos\theta=\frac{4\sqrt{2} }{9}

4 0
2 years ago
A contractor is going to demolish a concrete slab. The slab is 8 inches thick.
Contact [7]

Answer:The Basic Formula

The formula multiplies the area's length in feet by its width in feet and its height in feet. This number is then multiplied by one-third and divided by 27 to convert the answer into cubic yards. To make it clearer, the equation is as follows: (Length (ft) x Width (ft) x Height (ft) x 1/3) / 27.

Step-by-step explanation:

Plz vote me 5% and thanks it helps me a lot

8 0
2 years ago
Sorry about the crack screen but can someone help me
KatRina [158]

Answer:

area = 3 \times 3 \times \pi = 9\pi

3 0
3 years ago
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