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Annette [7]
3 years ago
11

Solve for x: -2x + 1 = -6

Mathematics
1 answer:
lukranit [14]3 years ago
8 0
<h2>Answer:</h2>

This is a 2-step equation. We will solve it in 2 steps.

-2x + 1 = -6\\\\-2x = -7\\\\x = \frac{7}{2}

The solution for this equation is x =<em> </em>\frac{7}{2}.

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Frank stands 450 feet from the base of the Statue of Liberty. If the Statue of Liberty is 306 feet tall, what is the angle of de
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tan(θ) = 300.5/400.
θ = tan^-1(300.5/400).
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3 years ago
What makes a unit rate different from other rates
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Can someone please explain the area of a circle in the simplest way possible, no links
AlekseyPX

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Well, that line is the diameter. Then cut that in half, so if the diameter is 6, the radius is 3.

Then multiply the the radius by the radius, so 3x3 once you get that, multiply the answer by pi. Pi= 3.14, so if you do 3x3x3.14 you should get 28.26. Hope this helps.

3 0
2 years ago
What is the measure of
Nastasia [14]

Answer:

70

Step-by-step explanation:

The sum of the angles of a triangle should always add up to 180 degrees.

In this problem, they have given us 2 angle measures of the triangle - 40 degrees and 70 degrees. To figure out the third angle, we simply need to figure out how many more degrees we need for reaching the 180 degrees.

I'm just going to do some simple math:

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3 0
2 years ago
The coordinates of the vertices of a regular polygon are given. Find the area of the polygon to the nearest tenth.
alexandr1967 [171]

Answer:

The area is equal to 8\ units^{2}

Step-by-step explanation:

we have

A(0, 0), B(2, -2), C(0, -4), D(-2, -2)

Plot the figure

The figure is a square (remember that a regular polygon has equal sides and equal internal angles)

see the attached figure

The area of the square is

A=AB^{2}

<u><em>Find the distance AB</em></u>

the formula to calculate the distance between two points is equal to

d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}

substitute the values

AB=\sqrt{(-2-0)^{2}+(2-0)^{2}}

AB=\sqrt{(-2)^{2}+(2)^{2}}

AB=\sqrt{8}

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<u><em>Find the area of the square</em></u>

A=(2\sqrt{2})^{2}

A=8\ units^{2}

4 0
3 years ago
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