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Aleonysh [2.5K]
3 years ago
15

If p^3 is 0.027, what is p's value

Mathematics
1 answer:
AlexFokin [52]3 years ago
7 0

Answer:

0.3

Step-by-step explanation:

To find p we require the cube root of 0.027, that is

p³ = 0.027, then

p = \sqrt[3]{0.027} = \sqrt[3]{\frac{27}{1000} } = \frac{3}{10} = 0.3

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Which of the following is not a function?
rusak2 [61]
Answer: B

Number on the left: x-value
Number on the right: y-value

If there are 2 y-values for one x-value it is NOT considered a function.

For instance in the answer:

(2,3), (2,4), (3,3), (3,4)

You can clearly see that the x-values (2 & 3) repeat more than once; therefore, it is NOT a function.

On the other hand if you have 2 DIFFERENT x-values for the same y-value it IS A FUNCTION.

For ex D: (2,4), (3,4), (5,4), (6,4)

As you can see there are 4 DIFFERENT x-values with same y-value; therefore it is A FUNCTION

To make it easier:

If x-values appear more than once = NOT A FUNCTION

If x-values appear only ONCE = FUNCTION

Remember: y-values are ALLOWED to repeat

I hope this helps. If you have any questions please let me know in the comments.
4 0
2 years ago
Please? I need help here
Yuki888 [10]

Answer:

<h2>D</h2>

Step-by-step explanation:

If pair of ratios does form a true proportion then:

a:b=c:d\to\dfrac{a}{b}=\dfrac{c}{d}\to ad=bc

A)\\\\8:14=20:35\to\dfrac{8}{14}=\dfrac{20}{35}\\\\(8)(35)=(14)(25)\\\\280=280\qquad\bold{TRUE}\\\\b)\\\\\dfrac{6}{10}=\dfrac{15}{25}\\\\(6)(25)=(10)(15)\\\\150=150\qquad\bold{TRUE}

c)\\\\\dfrac{9}{5}=\dfrac{27}{15}\\\\(9)(15)=(5)(27)\\\\135=135\qquad\bold{TRUE}\\\\d)\\\\12:15=30:50\to\dfrac{12}{15}=\dfrac{30}{50}\\\\(12)(50)=(15)(30)\\\\600=450\qquad\bold{FALSE}

3 0
3 years ago
Write three different improper fractions that equal 4 1/2
salantis [7]
18/4ths, 27/6ths, and 36/8ths.
6 0
3 years ago
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Please help me solve for the slope of the graph
zalisa [80]

Answer:

4/5

Step-by-step explanation:

Take two points on the lines. From here, we can get (5, 2) and (10, 6). Slope formula involves taking RISE/RUN, which is where you take y-y/x-x. <u>Stay consistent on how you order the numbers.</u> I like positive numbers, so we'll do (6-2)/(10-5). That gives us 4/5, which is your slope.

8 0
2 years ago
Some researchers are interested in the GPA difference between freshmen and sophomores. The distributionsof GPAs in both groups a
Sonja [21]

Answer and Step-by-step explanation:

a)

expected value for the difference in sample means=3.5-3.2=0.3

b)

standard deviation of the sampling distribution of the difference in sample means

=sqrt((0.5^2/40)+(0.8^2/40))

=0.1492

c)

z=(0.3-0)/0.1492

z=2.01

P(z>2.01)=0.0222

6 0
3 years ago
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