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allsm [11]
2 years ago
5

REALLY EASY, REALLY NEED HELP

Mathematics
1 answer:
Dima020 [189]2 years ago
7 0

My bad VectorFundament20, sheesh

Answer:

y=10x

Step-by-step explanation:

So y is basically 10 times x because each y value, 10, 20, 30 is coming from multiplying the x value by 10. For example, 0 = 10* 0, 10 = 10*1, 20 = 10*2, 30 = 10*3.

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What is he slope and y intercept for the line Y=-4x+2​
Sav [38]

y=mx+b

slope is also m

b is the y-intercept

Y=-4x+2​

answer:

slope=-4, y-intercept=2

7 0
2 years ago
Hi I hope you are all okay could someone help me with this math question thankyou !!!
earnstyle [38]

Answer:

x = 49

Step-by-step explanation:

Given the mathematical expression and data;

y = 1/√x

y = 7 and x = 64

First of all, we would find the constant of proportionality, k;

y = k/√x

7 = k/√64

7 = k/8

k = 7 * 8

k = 56

Next, to find the value of x, when y = 8

y = k/√x

Substituting the values, we have;

8 = 56/√x

Cross-multiplying, we have;

8 * √x = 56

√x = 56/8

√x = 7

Taking the square of both sides, we have;

(√x)² = 7²

x = 49

8 0
3 years ago
What is the conjugate of 5 - 4i?
xxTIMURxx [149]

Answer:

5 + 4i

Step-by-step explanation:

In general, the conjugate of a + bi is a - bi

5 0
3 years ago
I have a question that has already been answered. I just need someone to please explain the steps.
Jobisdone [24]

Answer:

Step-by-step explanation:

Using brackets will really help.

y = (x^2 + 4x + ... ) - 5       You are trying to complete the square. The square in this case is a trinomial that is squared.

To do that, you take 1/2 the linear term (4x)/2, drop the x (4/2), and square the result (4/2)^2. The number is 2^2 which is 4.

So far what you have is

y = (x^2 + 4x + 4) - 5  

Now you just can't add 4 without adjusting it somehow. If you do, the whole question will change it's value. Because you added 4 inside the brackets, you must subtract 4 outside the brackets.

What that means is 4  inside - 4 outside. So it looks like this

y = (x^2 + 4x + 4) - 5 - 4

Now you continue on

y = (x + 2)^2 - 9  The 4 combines with the 5 to make nine.

8 0
3 years ago
During the school fundraiser, lsaac sold tubs of cookies dough for $15 each. He made $165. Write an equation that could be used
gregori [183]

165\15= number of tubs

165 divided by 15 equals the amount of the tubs that he sold.

(I assume the two different name things, isaac&dominic, is a mistake since there isnt any information for Dominic)

3 0
2 years ago
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