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3 years ago

Which is the smallest number? 2.07,2.7,2.4,2,2.04

Mathematics

1 answer:

Natasha2012 [34]3 years ago

6 0

I believe it is 2 because, 0.4 is added on to 2. 2.7 is basically 2.70 making it 0.70 bigger than 2. I hope this helped

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Juan can download new songs for $1.29 each. Write an equation to show how many songs he can download for $10.00

ryzh [129]

Answer:

1.29 x 7

Step-by-step explanation:

He can download 7 apps.

7 0

3 years ago

5x + 4y = 11 2x + 6y = -7

olga55 [171]

$\left\{\begin{array}{ccc}5x+4y=11&|\cdot2\\2x+6y=-7&|\cdot(-5)\end{array}\right\\\underline{+\left\{\begin{array}{ccc}10x+8y=22\\-10x-30y=35\end{array}\right}\ \ \ \ |add\ both\ sides\ of\ the\ equations\\.\ \ \ \ \ \ \ \ \ \ \ -22y=57\ \ \ \ |:(-22)\\.\ \ \ \ \ \ \ \ \ \ \ y=-\dfrac{57}{22}\\\\substitute\ the\ value\ of\ y\ to\ the\ first\ equation\\\\5x+4\left(-\dfrac{57}{22}\right)=11\\\\5x-2\cdot\dfrac{57}{11}=11\ \ \ \ |\cdot11\\\\55x-114=121\ \ \ \ |+114\\\\55x=135\ \ \ \ |:55$

$x=\dfrac{135}{55}\\\\x=\dfrac{27}{11}\\\\Answer:\ x=\dfrac{27}{11}\ and\ y=-\dfrac{57}{22}\to\left(\dfrac{27}{11},\ -\dfrac{57}{22}\right)$

8 0

3 years ago

Rewrite the following mixed number as a decimal. 8 1/100

Lemur [1.5K]

Answer:

8.01

Step-by-step explanation:

8 $\frac{1}{100}$ is the same as $\frac{801}{100}$

Divide:

801 ÷ 100 = 8.01

7 0

3 years ago

Read 2 more answers

Jake's family is moving to a new home. They packed 22 boxes in LaTeX: 1\frac{5}{6}1 5 6 hours. What is the average number of box

rosijanka [135]

Answer:

12 boxes per hour.

Step-by-step explanation:

Jake's family packed 22 boxes in 1 5/6 hours (that is, 1 hour plus 5/6 of a hour: 1 + 5/6 = (6+5)/6 = 11/6 hours).

So, to know the average number of boxes packed per hour, we can do a rule of three: If in 11/6 hours they packed 22 boxes, in 1 hours they packed X boxes.

22 boxes -> 11/6 hours

X boxes -> 1 hour

22/X = 11/6

X = 6 * 22 / 11 = 12

So, they packed an average of 12 boxes per hour.

6 0

3 years ago

Apple weights are normally distriuted with a mean 0.33 pounds and and standard deviation of 0.06 pounds. Jermaine went to the st

maksim [4K]

Using the normal distribution, it is found that 10.56% of the apples weigh less than Jermaine's apple.

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In a normal distribution with mean $\mu$ and standard deviation $\sigma$ , the z-score of a measure X is given by:

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

It measures how many standard deviations the measure X 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, which is the percentile of X, that is, the proportion of measures that are less than X.

In this problem:

Mean of 0.33 pounds, thus $\mu = 0.33$ .
Standard deviation of 0.06 pounds, thus $\sigma = 0.06$ .
The proportion that is less than 0.25 pounds is the p-value of Z when X = 0.25, thus:

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

$Z = \frac{0.25 - 0.33}{0.06}$

$Z = -1.25$

$Z = -1.25$ has a p-value of 0.1056.

0.1056 x 100% = 10.56%.

10.56% of the apples weigh less than Jermaine's apple.

A similar problem is given at brainly.com/question/13411796

8 0

3 years ago