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3 years ago

Hello I really need help. Thanks :)

Mathematics

1 answer:

BARSIC [14]3 years ago

7 0

Answer:

y + 1 = 4/3(x - 9)

Step-by-step explanation:

Point-slope form: y - y₁ = m(x - x₁)

Substitute the numbers into the equation:

y - (-1) = 4/3(x - 9)

y + 1 = 4/3(x - 9)

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Divide 4/5 by 2/3.<br> a. 8/15b. 5/6c. 1 1/5d. 1 7/8

Ivan

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2 years ago

Which equation has a slope of -2 and passes through the point (1,-6)?

Naily [24]

Answer:

y=-2x-4

Step-by-step explanation:

Given that,

Slope, m = -2

It passes through the point (1,-6).

We need to find the equation of line that passes throgh the given point. It can be calculated as:

$y-y_1=m(x-x_1)$

Put y₁ = -6, x₁ = 1 and m = -2

$y-(-6)=(-2)(x-1)\\\\y+6=-2x+2\\\\y+2x+6-2=0\\\\y=-2x-4$

Hence, the equation of line is y=-2x-4.

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2 years ago

Which number line shows the estimate of square root of 47 in the correct interval of integers

mr_godi [17]

Answer:

Step-by-step explanation:

Because yes

8 0

3 years ago

Read 2 more answers

Find the number of real number solutions for the equation. x^2+5x+7=0

koban [17]

Given a quadratic equation $ax^2+bx+c=0$ , we define the discriminant as

$\Delta = b^2-4ac$

The number of real solutions of the equation depend on the sign of $\Delta$ :

If $\Delta>0$ the equation has two solutions
If $\Delta=0$ the equation has one double solution
If $\Delta$ the equation has no real solutions

In this case, we have

$\Delta = 25-28=-3$

And so this equation has no real solutions.

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2 years ago

Ashley has $62, part of which she wants to use to pay back the money she owes people. She owes $13 to her brother and she owes $

laila [671]

Answer:

Step-by-step explanation:

Amount at hand = $62

Amount owed = $13 + $39

= $52

$62 - $52

= $10

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2 years ago