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Katarina [22]
1 year ago
12

HELPPP ME PLSSS!!

Mathematics
1 answer:
kenny6666 [7]1 year ago
5 0

Steven thinks that he will spend about 70 dollars. thus it is not a reasonable amount. hence the actual total cost is $ 48.

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more numbers and variables. A system of equations is two or more equations that can be solved to get a unique solution. the power of the equation must be in one degree.

Given that steven wants gifts for his 2 little brother and 2 older sisters he plans on spending $12 dollars on each one.

But steven thinks he will spend about 70 dollars.

Which is not a reasonable amount.

It would be 4 x $12  is about 4 x $12 =  48 dollars

Therefore, the actual total cost is $ 48.

Steven thinks that he will spend about 70 dollars. thus it is not a reasonable amount.

Learn more about equations here;

brainly.com/question/10413253

#SPJ1

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mina [271]

The problem express that the fraction of time worked by the three people need to be equivalent to one person working full time. This means that the fraction need to add up to one. We know one person works ½ time on the project and another works one third 1/3 time.

Given:

A = the amount of time that the third person needs to work on the job to add up to one

1 = ½ +1/3 + A

1 – ½ - 1/3 = A

To subtract the fractions put them all over a common denominator. Use 3 * 2 as the denominator.

1=6/6, ½ = 3/6, 1/3 = 2/6

A = 6/6 – 3/6 – 2/6

<span>A = 1/6 , The third person  must work on the project</span>

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3 years ago
Is LMN a right triangle?
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Answer:

True

Step-by-step explanation:

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Step-by-step explanation:

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3 years ago
A gasoline tank for a certain car is designed to hold 15 gallons of gas. Suppose that the actual capacity of a randomly selected
marta [7]

Answer:

Tanks of 15.3081 gallons and larger are considered too large.

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

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

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

\mu = 15, \sigma = 0.15

How large does a tank have to be to be considered too large

largest 2%, so at least the 98th percentile.

The 98th percentile is X when Z = 0.98. So it is X when Z = 2.054.

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

2.054 = \frac{X - 15}{0.15}

X - 15 = 2.054*0.15

X = 15.3081

Tanks of 15.3081 gallons and larger are considered too large.

8 0
3 years ago
Can someone help me solve these metric system operations???
Dimas [21]

lDK

but friend me on discord, and follow my robIox account, then we will talk.

discord: datboythomas123#8606

robIox: chexmix1202

HAPPY APRIL FOOLS!! *laughs SUUUUUUUUUUUPERRRRRRRR cutely*

BUT! I will answer...

if u friend me on discord, and follow my robIox account, then we will talk.

discord: datboythomas123#8606

robIox: chexmix1202

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