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siniylev [52]
3 years ago
12

I NEED HELP NOW!!!!

Mathematics
2 answers:
gayaneshka [121]3 years ago
3 0

Answer:

before you asked this question did you look it up

Step-by-step explanation:

Kaylis [27]3 years ago
3 0

Answer:

I have to go soon but this is what i can do for u right now

Part 1: It is most definitely Unit 2.

Unit 2 has 24 dots in total while Unit 1 has 25.

Part 2: Mean = 13 (13.44)

Mean Absolute Deviation = 3 (2.848)

Step-by-step explanation:

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If the racetrack publishes that the odds in favor of a horse winning a race are 5 to 9, what is probability that the horse will
crimeas [40]
I divided 5 by 9 and multiplied it by 100 to get the percentage for the probability the horse will win. I got 55.55%. I subtracted 55.55 from 100 and got 44.45% chance of not winning the race.
5 0
3 years ago
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Use a linear approximation (or differentials) to estimate the given number:<br><br> √99.8
levacccp [35]
99.2 = 100 + 1/2 (99.2 - 100) / 100 = 10 - 1/2 0.8/10 = 10 - 0.04 = 9.96
6 0
3 years ago
What is the value of x? <br> X=
brilliants [131]

Answer:

x=7

step-by-step explanation:

\frac{5}{40}  =  \frac{3}{2x + 10}

5(2x+10) =3×40

10x + 50 = 120

10x =120-50= 70

x = 70/10= 7

5 0
3 years ago
What is simplest form of sqrt 2 + sqrt 5 / sqrt 2 - sqrt -5? √2 + √5 / √2 - √-5
Leni [432]

Answer:

\frac{-7-2\sqrt{10}}{3}

Step-by-step explanation:

we have

\frac{\sqrt{2}+\sqrt{5}}{\sqrt{2}-\sqrt{5}}

Simplify

Multiply the expression by  \frac{\sqrt{2}+\sqrt{5}}{\sqrt{2}+\sqrt{5}}

(\frac{\sqrt{2}+\sqrt{5}}{\sqrt{2}-\sqrt{5}})(\frac{\sqrt{2}+\sqrt{5}}{\sqrt{2}+\sqrt{5}})

Apply difference of squares in the denominator

\frac{(\sqrt{2}+\sqrt{5})^2}{(\sqrt{2})^2-(\sqrt{5})^2}

\frac{2+2\sqrt{10}+5}{2-5}

\frac{7+2\sqrt{10}}{-3}

\frac{-7-2\sqrt{10}}{3}

6 0
3 years ago
In desperate need of help!
VladimirAG [237]

Answer:

y=24

Step-by-step explanation:

Straight line = 180°

collect like terms.

7y+12=180°

-12. - 12

7y=168°

÷7. ÷7

y=24

3 0
3 years ago
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