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3 years ago

My teacher did not teach me this I was absent so can someone please help me

Mathematics

1 answer:

AnnZ [28]3 years ago

8 0

Put the numbers (for example 4 5/6) into improper fractions first and then multiply the two top number with the two bottom numbers of the fraction.
So, 4 5/6 would be (4x6 +5) 29/6 and then if I want to multiply it by for say 1/3 then it would be 29x3 and 6x3.

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How do you solve the system:<br> y+1=2x<br> 5y+5=10x

Marta_Voda [28]

Answer:

choose "infinitely more solutions"

Step-by-step explanation:

Let's solve this system by substitution method

y+1=2x

- 1 = - 1

y = 2x -1 <-- sbstitute this in the next equation

---------------------------------------------------------------------------------

5y+5 = 10x

5(2x -1) + 5 = 10x

10x -5 + 5 = 10x

10x + 0= 10x

- 10x = -10x

0 = 0 <-- infinitely more solutions

4 0

3 years ago

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What Ps the value<br>of (100)^o

Bond [772]

Answer:

(100)^0=1

Step-by-step explanation:

This follows the laws of indices

6 0

3 years ago

G(n)=80×(3/4)^n<br>Complete the recursive of g(n)

PtichkaEL [24]

You could use photomath for thiss!

5 0

3 years ago

A sleep time of 15.9 hours per day for a newborn baby is at the 10h percentile of the distribution of sleep times for all newbor

Nuetrik [128]

Answer:

option (D) 16.5

Step-by-step explanation:

Data provided:

Sleep time of , X = 15.9 is at the 10th percentile

Standard deviation, σ = 0.5 hour

also,

10th percentile of normal distribution is

Z = F⁻¹(0.10)

Z = - 1.28 (Using Standard Normal distribution)

Now,

$\\Z=\frac{X-\mu}{\sigma}$

X = μ + ( σ × Z )

μ = X - ( σ × Z )

on substituting the respective values, we get

μ = 15.9 - 0.5 × (-1.28)

μ = 16.5

Hence, the correct answer is option (D) 16.5

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3 years ago

7x -2 + 10x + x + 6x What is x

pentagon [3]

Answer: 24x - 2

Step-by-step explanation: 7x -2 + 10x + x + 6x

24x -2

5 0

2 years ago

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