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Yakvenalex [24]
3 years ago
9

Please show all work

Mathematics
2 answers:
Mekhanik [1.2K]3 years ago
6 0

Answer:

4.8 minutes

Step-by-step explanation:

2.5/2.5=1

so

12/2.5=4.8

sesenic [268]3 years ago
6 0

Answer:

4.8 minutes per mile

Step-by-step explanation:

Let mi be miles

Let min be minutes

2.5mi = 12min

Divide by side by the mile to get the unit rate

2.5/2.5 = 12/2.5

You will get 1 = 4.8

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beks73 [17]

Answer: 5 units

Step-by-step explanation:

Distance = \sqrt{(x_{2 }- x_{1 })^2 + (y_{2 }- y_{1 })^2\\

= \sqrt{(2_ }- (-1)_{ })^2 + (0_{ }- 4_{ })^2

= \sqrt{(2_{ }+ 1_{ })^2 + (-4)^2_

= \sqrt{3^2+(-4)^2}

= \sqrt{9+16}

= \sqrt{25}

= 5 units

3 0
3 years ago
Graph: - 4x + 4y &gt; 20 &amp; 4x + 4y &lt; -12<br>please help !!!!!<br>​
VARVARA [1.3K]
I’m not totally sure about the less and greater signs because I’m not sure you can graph using those signs but either way their are your line equations

8 0
3 years ago
Which graph represents exponential decay? On a coordinate plane, a straight line has a negative slope. On a coordinate plane, a
RoseWind [281]

Answer:

The correct option is (C).

Step-by-step explanation:

The exponential function representing decay is as follows:

y=y_{0}\cdot e^{kt};\ k

Here,

<em>y</em> = final value  

<em>y</em>₀ = initial value  

<em>k</em> = growth rate  

<em>t</em> = time passed

The graph represents exponential decay is:

"On a coordinate plane, a graph approaches y = 0 in quadrant 1 and curves up into quadrant 2."

Thus, the correct option is (C).

3 0
3 years ago
Read 2 more answers
How many different arrangements of 5 letters can be made from the 26 letters of the alphabet?
VikaD [51]
Answer: P(26,5).

That is all the possible combinations of 5 letters made out from 26 letters.

That is 26! / [ 5! ( 26 - 5)! ] = 26! / [5! 21! ] = 26*25*24*23*22*21! / [ 5! 21!] =

= 26*25*24*23*22 / [5*4*3*2*1] = 65,780 arrangements.


5 0
3 years ago
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marysya [2.9K]
It would be 1 inch and 15 degree arc due to the act that the radius is half.
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3 years ago
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