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Novosadov [1.4K]
4 years ago
12

Make sure your answer is in simplest form and improper fractions are expressed as mixed numbers. 2 2/5 x 2 7/9. help plz

Mathematics
1 answer:
Alekssandra [29.7K]4 years ago
7 0
2 2/5 * 2 7/9
12/5 * 25/9
300 * 45
13,500
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Mariana tried to drink a slushy as fast as she could. She drank the slushy at a rate of 4.5 millimeters per second. After 17 sec
Nitella [24]

Answer: There is 225 millimeters of slushy originally in the cup.

Explanation:

Since we have given that

Rate at which she drink the slushy = 4.5 millimeters

Time taken to drink the slushy by Mariana = 17 seconds

Total quantity she drank is given by

4.5\times 17=76.5\ millimeters

Still there is left some slushy,

Quantity of slushy left =148.5 millimeters

Total quantity of slushy originally in the cup was given by

148.5+76.5=225\ millimeters

Hence, there is 225 millimeters of slushy originally in the cup.


6 0
4 years ago
Read 2 more answers
Evaluate C(5,2). 10 20 60
Vedmedyk [2.9K]

Answer:

10.

Step-by-step explanation:

If you mean the number of combinations of 2 from 5 it is

5*4 / 2*1

= 10.

5 0
3 years ago
Which is the graph of f(x)=3(2/3)x?
anyanavicka [17]

we have that

f(x)=3(\frac{2}{3})^{x}

Step 1

<u>Find the y-intercept</u>

we know that

The y-intercept is the value of f(x) when the value of x is equal to zero

For x=0

f(0)=3(\frac{2}{3})^{0}=3

Point A(0,3)

Step 2

<u>Find the value of f(x) for x=1</u>

f(1)=3(\frac{2}{3})^{1}=2

Point B(1,2)

Step 3

<u>Graph the point A and B to find the solution</u>

therefore

the answer in the attached figure

3 0
3 years ago
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A mathematics instructor wants to see if a computer homework system improves the scores of the students in the class. The instru
Vilka [71]

Answer:

No

Step-by-step explanation:

Two samples are matched pairs if the samples are dependent sample. All the attributes or characteristics of these samples are the same except the one thing which we need to study or experiment.

The given samples are independent samples. So, these these two sample are not matched pair samples. Such samples cannot be used to perform the paired sample t test. For this test the samples must always be dependent.

Example of dependent or matched pairs samples under given scenario would be like:

The instructor teaches a section in one semester using the computer homework system and in the next semester he teaches the same section using the paper and pencil homework system.

Usually the pairs in matched pairs are the same people just at different time, as stated in the previous example.

4 0
4 years ago
Three consecutive even integers have a sum of 36 . Find the integers.
Sonbull [250]
Try the different integers together:
6 + 7 + 8 = 21
8 + 9 + 10 = 27

Keep trying a few digits up and you should get the answer soon.
4 0
3 years ago
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