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2 years ago

5

NEED HELP will give BRAINLY

1 answer:

LenKa [72]2 years ago

8 0

Answer:

y=1x+8

Step-by-step explanation:

The best way to remember the formula is y=mx+b aka (your mom's ex bf)
Just by looking at the slope you can automatically tell it's moving by one so in your formula, 'm' is the slope.
Add 1x to replace 'm' or you can leave x alone because x is already one, your choice.
b is the indication on where your slope started in the y-axis.
In this case, by looking at the y-axis on the graph, the slope starts at 8 so that will be your b.
Therefore, your answer is y=1x+8

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KatRina [158]

We begin with 1,000 fish in a lake.
Each year the population declines to 15%
Then they put back 500 fish in the lake.

The equation: (1000 * .85) +500

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2 years ago

If the slope of a line is 2 and the y-intercept is 7, what would the equation be in slope intercept form?

Artist 52 [7]

Answer:

y = 2x+7

Step-by-step explanation:

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1 year ago

Solve the equation by using quadratic formula . Show your work! Answer maybe in radical or decimal form .

Lorico [155]

Answer:

$x_1=\frac{-2+\sqrt{14}}{2}\approx 0.871,x_2=\frac{-2-\sqrt{14}}{2}\approx-2.871$

Step-by-step explanation:

$2x^2+4x-5=0$

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$x=\frac{-4\pm\sqrt{4^2-4(2)(-5)}}{2(2)}$

$x=\frac{-4\pm\sqrt{16+40}}{4}$

$x=\frac{-4\pm\sqrt{56}}{4}$

$x=\frac{-4\pm2\sqrt{14}}{4}$

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5 0

2 years ago

Let $\overline{AB}$ and $\overline{CD}$ be chords of a circle, that meet at point $Q$ inside the circle. If $AQ = 6,$ $BQ = 12$,

Cloud [144]

9514 1404 393

Answer:

2

Step-by-step explanation:

The products of chord lengths are the same for the intersecting chords:

AQ×BQ = CQ×DQ

6×12 = CQ×(38 -CQ)

This gives a quadratic in CQ:

CQ² -38CQ +72 = 0 . . . . . write in standard form

(CQ -2)(CQ -36) = 0 . . . . . factor the quadratic

CQ = 2 or 36 . . . . . . . values of CQ that make the factors zero

The minimum length of CQ is 2 units. (DQ will be 36.)

3 0

2 years ago

Help me I don’t get this

andre [41]

Step-by-step explanation:

Area = 8 × 5

Area = 40^2

Perimeter is the length around the edges

Therefore it is 8+8+5×5 (since there are 4 edges)

Perimeter = 2×8 + 2×5

= 40 + 10

= 50cm

4 0

3 years ago