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sukhopar [10]
3 years ago
9

Please help with this question! i'm really struggling :(

Mathematics
1 answer:
Dmitriy789 [7]3 years ago
4 0

Answer:

Step-by-step explanation:

You need to learn about Interpreting graphs,x-intercepts and y-intercepts And Translating functions

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Is 7x-y=6 Independent
Stella [2.4K]
1. Slope = 7

2. x-intercept = 6/7 = 0.85714

3. y-intercept = 6/ - 1 = -6.00000

Rearrange:

Rearrange the equation by subtracting what is to the right if the equal sign from both sides of the equation:

7x-y- (6) = 0

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3 years ago
How many combinations of 4 can you make of 25 basketball cards?
pochemuha

Answer: 6 if by whole number or 6.25 for decimals


Step-by-step explanation:


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3 years ago
Work out the volume of this sphere.
Ratling [72]

Step-by-step explanation:

Find the radius: 19 ÷ 2 = 9.5

4/3 x 22/7 x 9.5 x 9.5 x 9.5 = 3592

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3 0
2 years ago
5cosx -2sin(x/2) +7=0<br>Help me to find x step by step<br>pls​
miskamm [114]

Answer:

x = 180

Step-by-step explanation:

First, you need to know

1. Double-angle formula:

cos(2x) = cos^{2}x - sin^{2}x

2. Pythagorean identity:

cos^{2}x + sin^{2}x = 1

Back to your problem, replacing the variable by the above:

5cosx-sin\frac{x}{2}+7 = 0

5(cos^{2}\frac{x}{2}-sin^{2}\frac{x}{2}) - 2sin\frac{x}{2} + 7 = 0 By Double-angle formula

5(1 - 2sin^{2}\frac{x}{2}) - 2sin\frac{x}{2} + 7 = 0 By Pythagorean identity

Given y = \frac{x}{2}

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10sin^{2}y+2siny-12=0

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siny = 1, y =90

y = \frac{x}{2}

x = 180

8 0
3 years ago
For which mapped relation is the domain {1,2,3}?
pav-90 [236]
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The domain is the x values, so the right side of the circle are the x’s.
7 0
3 years ago
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