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raketka [301]
3 years ago
11

How do I do this?? I need help

Mathematics
2 answers:
belka [17]3 years ago
7 0
25-x=10 x= 15          25-15=10
2x+4(greater than)5 to the 2nd power. X= 15 2*15+4(greater than) 5 to the 2nd power
60-4x(less than)1. x=15 60-4*15(less than)1
5(x+5)=100. x= 15  5*(15+5)=100

NemiM [27]3 years ago
6 0

X=15

1:25-10=X   X=15

2:12+X=24    X=12

3:X>=10.5

4:59<4X  X>14.75

5: 15

SO JUST 1 AND 5 ARE X=15

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How much faster was jose jogging than edwin was walking in miles per hour​
Elan Coil [88]

Answer:

there is not enough info to answer this

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
What is an equivalent ratio to 3/5?
Elza [17]

Answer:

6/10

Step-by-step explanation:

multiply 3/5 by any whole number ratio equal to 1 to obtain an equivalent fraction.  

(2/2)*(3/5) = 6/10

or (3/3)*(2/5) = 9/15

etc.

3 0
3 years ago
On day two of a study on body temperatures, 106 temperatures were taken. Suppose that we only have the first 10 temperatures to
NemiM [27]

Answer:

The 95% confidence interval for the mean of all body temperatures is between 97.76 ºF and 99.12 ºF

Step-by-step explanation:

We have the standard deviation for the sample, so we use the t-distribution to solve this question.

The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So

df = 10 - 1 = 9

95% confidence interval

Now, we have to find a value of T, which is found looking at the t table, with 9 degrees of freedom(y-axis) and a confidence level of 1 - \frac{1 - 0.95}{2} = 0.975. So we have T = 2.2622

The margin of error is:

M = T*s = 2.2622*0.3 = 0.68

In which s is the standard deviation of the sample.

The lower end of the interval is the sample mean subtracted by M. So it is 98.44 - 0.68 = 97.76 ºF

The upper end of the interval is the sample mean added to M. So it is 98.44 + 0.68 = 99.12 ºF

The 95% confidence interval for the mean of all body temperatures is between 97.76 ºF and 99.12 ºF

4 0
3 years ago
26(92' please someone tell me what this means
Sphinxa [80]
It could mean something with measurements
5 0
2 years ago
Grayson went to the grocery store and bought bottles of soda and bottles of juice. Each bottle of soda has 35 grams of sugar and
Illusion [34]

The number of bottles of soda purchased is 10 and the number of bottles of juice purchased is 4.

<u>Step-by-step explanation:</u>

Let us consider the soda bottles as x and juice bottles as y.

From the given data we can derive 2 equations,

35x+15y= 410.    .....(1)

x=y+6.                 ....(2)

Substitute equation (2) in (1),

35(y+6)+15y=410.

35y+ 210+15y=410.

50y+210=410.

50y=410-210.

50y=200.

y=4.

Substitute y value in equation (2),

x=4+6.

x=10.

The number of bottles of soda purchased is 10 and the number of bottles of juice purchased is 4.

4 0
3 years ago
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