2 years ago

I need help bad with this math question

Mathematics

1 answer:

Allisa [31]2 years ago

4 0

Answer:

6 is the Answer

Step-by-step explanation:

Hope this helped!

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Combine the like terms to create an equivalent expression. Pleaseee helppp ASAP thankss

Nonamiya [84]

The answer is 2z+3. The like terms are 5z and -3z so you can subtract them and get 2z. Thus, the answer is 2z+3

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2 years ago

Consider the probability that more than 99 out of 157 software users will not call technical support. Assume the probability tha

Rainbow [258]

Answer:

$P(x>99)= 0.468$

Step-by-step explanation:

From the question we are told that:

Sample size 157

Sample mean

$\=x =np$

$\=x =157*0.56$

$\=x = 87.92$

Generally the equation for Standard deviation is mathematically given by

$\sigma=\sqrt{npq}$

$\sigma=\sqrt{157*0.56*0.44}$

$\sigma =6.22$

Therefore

$P(x>99)=P(z>(\frac{99.5-87.92)}{6.22})$

$P(x>99)=P(z>1.86)$

$P(x>99)= 0.468$

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2 years ago

I need help on. this one pliss

Fofino [41]

It’s 55, plug in the numbers and the equation is 5(3)^2 + 4(2.5) then
5(9)+10 lastly
45+10=55

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2 years ago

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Solve the inequality:<br> 4 +5t < 19

iogann1982 [59]

4 + 5t < 19
Subtract 4 from both sides
5t < 19 - 4 or 5t < 15
Divide both sides by 5
t < 3

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2 years ago

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Wyatt 25.4 ounces of fruit juice. He Divides the juice equally into 4 glasses. How much juice is in each glass?

spayn [35]

You need to divide 25.4 and 4 and you'll get 6.35

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2 years ago