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lana66690 [7]
2 years ago
7

PLEASE HELPPPP

Mathematics
2 answers:
grandymaker [24]2 years ago
6 0
Is B 2,826,800 I’m sure
slamgirl [31]2 years ago
3 0

Answer:

the answer is b

Step-by-step explanation:

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Find all solutions to the equation:
crimeas [40]

Let z = sin(x). This means z^2 = (sin(x))^2 = sin^2(x). This allows us to go from the equation you're given to this equation: 7z^2 - 14z + 2 = -5

That turns into 7z^2 - 14z + 7 = 0 after adding 5 to both sides. Use the quadratic formula to solve for z. The only solution is z = 1 (see attached image). Since we made z = sin(x), this means sin(x) = 1. All solutions to this equation will be in the form x = (pi/2) + 2pi*n, which is the radian form of the solution set. If you need the degree form, then it would be x = 90 + 360*n

The 2pi*n (or 360*n) part ensures we get every angle coterminal to pi/2 radians (90 degrees), which captures the entire solution set.

Note: The variable n can be any integer.

7 0
2 years ago
Each egg carton holds one dozen eggs. Michael's chicken farm fills 121 egg cartons. He thinks that there were over 1500 eggs. Is
Kobotan [32]
121 x 12 = 1452 so over 1500 is not a correct estimate. Less than 1500 is the right estimate
3 0
2 years ago
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gladu [14]

The formula of an area of a triangle:

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We have b = 8x and h = 7x. Substitute:

A=\dfrac{1}{2}(8x)(7x)=(4x)(7x)=28x^2

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5 0
3 years ago
The points in the table lie on a line. Find the slope of the line.<br><br><br><br> slope:
laiz [17]

Answer:

Slope =1

Step-by-step explanation:

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4 0
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Serggg [28]

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Step-by-step explanation: hope it helped

7 0
3 years ago
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