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guapka [62]
3 years ago
9

Mark has a certain number of songs on his MP3 player.

Mathematics
1 answer:
Flura [38]3 years ago
7 0
The answer is D5x4 is 20 +20 from already on his MP3 player =40
You might be interested in
Can someone help please
devlian [24]

the answer is x=47 hope this helps

3 0
3 years ago
What is the unit cost per bottle if a pack of 4 bottles of juice sells for$3
Zina [86]

Answer:

$1.33 Per Bottle

Step-by-step explanation:

Simply divide 4 by 3 to get 1.33

1.33 is the cost

you can verify this by multiplying 1.33 x 3 to get 4

5 0
3 years ago
write the ratio as a fraction in simplest form, with whole numbers in the numerator and denominator. 24 g to 56 g (picture)​
ryzh [129]

9514 1404 393

Answer:

  3/7

Step-by-step explanation:

The fraction is ...

  24\text{ g to }56\text{ g}=\dfrac{24\text{ g}}{56\text{ g}}=\dfrac{3}{7}\cdot\dfrac{8\text{ g}}{8\text{ g}}=\boxed{\dfrac{3}{7}}

5 0
3 years ago
Read 2 more answers
A scientist selected a random sample of seven varieties of peach ice cream to investigate the relationship between the density,
ValentinkaMS [17]

Answer:

The significance test that would be used to investigate whether there is convincing evidence at 0.05 level of significance that a greater percent of peaches in the ice cream is associated with an increase in the density of the ice cream is option C;

C. A linear regression t-test for slope

Step-by-step explanation:

The linear regression t-test for slope is a test for determining the existence of a statistically significant linear relationship between two variables, a independent variable, X and an dependent variable Y in the following form;

Y = B₀ + B₁·X

The test is used to test the regression line slope where we have;

B₀ = The constant

B₁ = The slope also known as the regression coefficient

The given information tested in the question is if an increase in the peaches in the ice cream is associated with an increase in the density of the ice cream, therefore, the test to investigate the relationship between the rate of both variables is the linear regression t-test for slope.

Therefore, we have

Y = B₀ + B₁·X

Where;

X = The percentage of peaches in the ice cream

Y = The density of the ice cream

7 0
3 years ago
If you if 3 1/2 pounds of bananas cost $1.96, how much would one pound cost?.
rjkz [21]
Basically divide 1.96 with 3/1/2 and 7/2 is the improper of 3/1/2

5 0
3 years ago
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