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Angelina_Jolie [31]
3 years ago
10

My bill is 3 inches by 2 2/3 inches by 1/3 inch what is the volume of my bed

Mathematics
2 answers:
Yakvenalex [24]3 years ago
7 0
That should be 3 x 2.66 x .33 which equals 2.63 cubic inches
Inessa05 [86]3 years ago
4 0
*This is what is easiest for me. I hope it helps you.*

1.) First I would turn the mixed fraction into an improper fraction. 2 2/3 turns into 8/3.

2.) I would get the fractions over with. So 8/3+1/3. Lucky you. You don't have to find the Least Common Factor. Add the numerators and you get 9/3.

3.) Next do 9 divide 3 and you get 3.

4.) 3•3 and you get back to 9.

5.) The volume of your bed would be 9 inches.
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A package of 6 pairs of insulated gloves costs ​$51.54. What is the unit price of the pairs of gloves ​?
mafiozo [28]

Answer:

$8.59

Step-by-step explanation:

The unit price is just asking for what one pair of gloves cost.

\$ 51.54 \div6=\$8.59

∴The unit price of the pairs of gloves is $8.59

Hope this helps!

6 0
2 years ago
Read 2 more answers
An educator claims that the average salary of substitute teachers in school districts is less than $60 per day. A random sample
valentina_108 [34]

Answer:

t=\frac{58.875-60}{\frac{5.083}{\sqrt{8}}}=-0.626    

The degrees of freedom are given by:

df=n-1=8-1=7  

The p value would be given by:

p_v =P(t_{(7)}  

Since the p value is higher than 0.1 we have enough evidence to FAIl to reject the null hypothesis and we can't conclude that the true mean is less than 60

Step-by-step explanation:

Information given

60, 56, 60, 55, 70, 55, 60, and 55.

We can calculate the mean and deviation with these formulas:

\bar X= \frac{\sum_{i=1}^n X_i}{n}

s=\sqrt{\frac{\sum_{i=1}^n (X_i -\bar X)^2}{n-1}}

Replacing we got:

\bar X=58.875 represent the mean

s=5.083 represent the sample standard deviation for the sample  

n=8 sample size  

\mu_o =60 represent the value that we want to test

\alpha=0.1 represent the significance level

t would represent the statistic

p_v represent the p value

Hypothesis to test

We want to test if the true mean is less than 60, the system of hypothesis would be:  

Null hypothesis:\mu \geq 60  

Alternative hypothesis:\mu < 60  

The statistic would be given by:

t=\frac{\bar X-\mu_o}{\frac{s}{\sqrt{n}}}  (1)  

Replacing the info we got:

t=\frac{58.875-60}{\frac{5.083}{\sqrt{8}}}=-0.626    

The degrees of freedom are given by:

df=n-1=8-1=7  

The p value would be given by:

p_v =P(t_{(7)}  

Since the p value is higher than 0.1 we have enough evidence to FAIl to reject the null hypothesis and we can't conclude that the true mean is less than 60

3 0
3 years ago
PLEASE I NEED HELPPP !!!!! please help
Strike441 [17]
Can you take a better picture because it’s hard to see where the line marks. or tell me the coordinates.
3 0
2 years ago
Read 2 more answers
The density of silver is 10.5 g/cm3. find the volume of a silver bar if its mass is 950 g
Mademuasel [1]

950 g * 1 cm^3/10.5g =  950/10.5 cm^3 = 90.476 cm^3

4 0
3 years ago
Read 2 more answers
Solve the simultaneous equations y=3x+2 and y=x+6
kogti [31]

Answer:

x=2

Step-by-step explanation:

y=3x+2

y=x+6

Since you're stating that, they both equal because equation is equated to equation 2 because of the Y.

Therefore, substitute into both equations as shown:

3x+2=x+6

3x-x=6-2  (bring 2 to the other side by subtracting 2 as well as x)

2x=4

2x/2=4/2  (dividing 2 on both sides to get rid off 2 in 2x)

x=2.

5 0
2 years ago
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