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PSYCHO15rus [73]
3 years ago
6

30 POINTS! Please help! Which table shows a proportional relationship between x and y?

Mathematics
2 answers:
DerKrebs [107]3 years ago
4 0

Answer:

B

Step-by-step explanation:

Both x and y have pattern and it’s clear to see it

Pani-rosa [81]3 years ago
3 0
It would be the third one. (1,5) (2,10)


Explanation:

It’s proportional because each time the x goes up by one the y goes up by 5.
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15−7×2+23 help...................................
Helen [10]

Answer:

24

Step-by-step explanation:

PEMDAS: 15-14+23

1+23

24

8 0
2 years ago
Read 2 more answers
Use the data below to construct a steam and leaf display on your own paper, then describe the distribution's shape
Art [367]
Good job <span>Use the data below to construct a steam and leaf display on your own paper, then describe the distribution's shape</span>
4 0
3 years ago
Can someone help me in this plssss I really need it
kompoz [17]

Answer:

\boxed{-3xy^{2}\sqrt [3] {2x^{2}}}

Step-by-step explanation:

Your expression is

\sqrt [3] {-54x^{5}y^{6}}

Here's how I would simplify it.

\begin{array}{rcll}\sqrt [3] {-54x^{5}y^{6}} & = & \sqrt [3] {(-1)^{3}\times 2 \times 27 \times x^{2} \times x^{3} \times y^{6}} & \text{Factored the cubes}\\& = & \sqrt [3] {(-1)^{3} \times 3^{3}\times x^{3} \times y^{6}\times 2 \times x^{2}} & \text{Grouped the cubes}\\\end{array}

\begin{array}{rcll}& = & \sqrt [3] {(-1)^{3} \times {3^{3}\times x^{3} \times y^{6}}} \times\sqrt [3] { 2 \times x^{2}} & \text{Separated the cubes}\\&=& \mathbf{-3xy^{2}\sqrt [3] {2x^{2}}} & \text{Took cube roots}\\\end{array}

\text{The simplified expression is $\boxed{\mathbf{-3xy^{2}\sqrt [3] {2x^{2}}}}$}

6 0
3 years ago
AB:BD = 3:4 <br><br> AC:CD = 3:2 <br><br> Work out AB:BC:CD
Papessa [141]

Answer:

15:6:14

Step-by-step explanation:

AB:BD is split into a total of 3+4=7 parts.

AC:CD is split into a total of 3+2=5 parts.

So, if the two ratios are put on a number line together with the points A, B, C, and D, the number line would be split into a total of 35 parts (the LCM of 7 and 5).

AB would be (3/7)*35=15.

CD would be (2/5)*35=14

BC would be 35-(15+14)=6

So, the ratio is 15:6:14.

5 0
3 years ago
During a 3-hour storm, it snow 2.5 inches. Jacob said that it snowed an average of about 8 inches per hour. What is the error?
Ad libitum [116K]
The error was the Jacob multiplied 2.5 by 3 instead of dividing. Instead it should be. 2.5 / 3 \\ &#10;.83 inches an hour
3 0
3 years ago
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