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Ilya [14]
3 years ago
7

Sharifa's white ball rolled 143 centimeters in 4 seconds and her green ball rolled 112 centimeters in 3 seconds. Which ball roll

ed at a greater rate of speed?
A. white ball

B. green ball

C. The white and green ball rolled at the same rate of speed.

D. red ball
Mathematics
1 answer:
Natalka [10]3 years ago
6 0

Answer: B

Step-by-step explanation:

The green ball

Speed=Distance/Time

White ball 143/4=35.75

While green ball 112/3=37.33

37.33>35.75

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HELP<br> Given: ABCD is a parallelogram and AC bisects BD.<br> Prove: AC bisects
34kurt

2) ABCD is a rhombus (a parallelogram with perpendicular diagonals is a rhombus)

3) \overline{AC} bisects \angle BCD (diagonals of a rhombus bisect the angles from which they are drawn)

8 0
2 years ago
I need helping answering 15. I need to create a table and graph the function.
Alekssandra [29.7K]

ANSWER and EXPLANATION

We want to order the functions from widest to narrowest:

\begin{gathered} y=3x^2 \\ y=2x^2 \\ y=4x^2 \end{gathered}

To do this, we have to plot the graphs of the functions by using a table of values.

Let us find the values of the functions for values of x = -2, 0, 2

For the first function:

\begin{gathered} y=3x^2 \\ \Rightarrow x=-2: \\ y=3(-2)^2=3*4 \\ y=12 \\ \Rightarrow x=0: \\ y=3(0)^2=3*0 \\ y=0 \\ \Rightarrow x=2: \\ y=3(2)^2=3*4 \\ y=12 \end{gathered}

Hence, its table is:

For the second function:

\begin{gathered} y=2x^2 \\ \Rightarrow x=-2: \\ y=2(-2)^2=2*4 \\ y=8 \\ \Rightarrow x=0: \\ y=2(0)^2=2*0 \\ y=0 \\ \Rightarrow x=2: \\ y=2(2)^2=2*4 \\ y=8 \end{gathered}

Hence, its table is:

For the third function:

\begin{gathered} y=4x^2 \\ \Rightarrow x=-2: \\ y=4\left(-2\right)^2=4*4 \\ y=16 \\ \Rightarrow x=0: \\ y=4(0)^2=4*0 \\ y=0 \\ \Rightarrow x=2: \\ y=4(2)^2=4*4 \\ y=16 \end{gathered}

Hence, its table is:

Now, let us plot the graphs of the functions:

Therefore, from the graph, we see that the order of the functions from widest to narrowest is:

y=2x^2;y=3x^2;y=4x^2

4 0
1 year ago
Fifteen percent of the workers at nationwide industries earn minimum wages.if 24 workers earn minimum wage,how many total worker
Doss [256]

Let the total number of workers be x

Workers earning minimum wages=24

24=15% of x

Therefore,x*15/100=24

Taking 100 to RHS,x*15=24*100

x=2400/15

=160

5 0
3 years ago
For percentage, once u get the decimal, do u round and THEN turn it into a percent OR turn it into a percent then round?
balu736 [363]
You round first and then the answer.
8 0
3 years ago
Round 0.078 to the nearest hundredth
Masteriza [31]
0.078 rounded to the nearest hundredth is 0.08
3 0
3 years ago
Read 2 more answers
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