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Kaylis [27]
3 years ago
6

Another One I need help withhhh sorrry

Mathematics
1 answer:
Effectus [21]3 years ago
6 0

Answer:

y = 2x+3

Step-by-step explanation:

Sorry I'm probably too late since Quizziz doesn't wait unless you have the freeze timer thing.

y = mx+b

b is the y intercept. The y intercept (when x=0) is given in the table.

Now plug a coordinate in to solve for m.

My coordinates: (1,5)

5 = m + 3

Solve.

2 = m

m = 2

Note: never plug in the y intercept when looking for m.

You can also find the slope by (subtracting the y value of one coordinate from another y value of another coordinate)/(subtracting x value from the first y coordinate above from the x value from the second coordinate).

In this case, it'd be

m = (7-5)/(2-1)

m = 2/1

m = 2

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Which number is closest to √(80)?
Citrus2011 [14]

Answer:

9

Step-by-step explanation:

8 0
3 years ago
Sin(-120) in exact value
cupoosta [38]

Step-by-step explanation:

\because \: sin \: ( -  \theta) =  - sin \:  \theta \\  \\  \therefore \: sin \: ( - 120 \degree) =  -  sin \:  120 \degree \\  \\  =  - sin \:  ( 180\degree- 60 \degree)  \\  \\  = - sin \: 60 \degree \\  \\  =  -    \frac{ \sqrt{3} }{2}  \\  \\   \purple{ \boxed{\therefore \: sin \: ( - 120 \degree) =-    \frac{ \sqrt{3} }{2} }}

3 0
3 years ago
Sara and Sam are each working on a science project in which they need to research the individual masses of the nine planets (inc
makkiz [27]

Answer:

2000 times

Step-by-step explanation:

Given

Sara:

Mercury = 3.302 * 10^{23

Saturn = 5.685 * 10^{26

Sam:

Mercury = 3.302 * 10^{29

Saturn = 5.685 * 10^{32

To determine the number of times, the mass of Saturn is greater than the mass of Mercury, we simply do the following:

Times = \frac{Saturn}{Mercury}

Using Sara's measurement; this gives:

Times = \frac{5.685 * 10^{26}}{3.302 * 10^{23}}

Apply law of indices

Times = \frac{5.685 * 10^{26-23}}{3.302}

Times = \frac{5.685 * 10^3}{3.302}

Times = 5.685/3.302 * 10^3

Times = 1.72 * 10^3

Approximate

Times = 2 * 10^3

Times = 2000

5 0
3 years ago
Please help with this equation:<br><br> 4.5(8-x)+36=102-2.5(3x+24)
Solnce55 [7]

answer

x=14

Step-by-step explanation:

4.5(8-x)+36=102-2.5(3x+24)

36-4.5x+36=102-7.5x-60

-4.5x=42-7.5x

7.5x-4.5x=42

3x=42

x=42/3

x=14

6 0
3 years ago
Simplify each expression as much as possible, and rationalize denominators when applicable. . √36/√18= ?
tino4ka555 [31]

Answer:

√2

Step-by-step explanation:

Solving the given expression step by step:

\frac{\sqrt{36} }{\sqrt{18} } = \frac{6}{3\sqrt{2} }\ \ \ [\because \sqrt{36} = 6 \ and \ \sqrt{18} = 3\sqrt{2}] \\ = \frac{3 \times 2}{3\sqrt{2} } = \frac{ 2}{\sqrt{2} }= \sqrt{2}

We rationalize denominator and change it into a simpler form as soon as possible.

7 0
3 years ago
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