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neonofarm [45]
4 years ago
15

The different between twice a number and a number that is 5 more than it is 3.

Mathematics
1 answer:
kramer4 years ago
7 0
It would be number 4 because it would be the difference between a number that is multiplied by two and the number with the addition of 5 all equal to 3.
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The line passes through the points (-5,0) and (-1,-4)<br> The slope of the line is
kotykmax [81]

Answer:

-1.

Step-by-step explanation:

First, you find the distance from the first x coordinate to the second. This is done by doing -5 - -1 (aka -5 + 1), which equals -4. Then, you find the distance form the first y coordinate to the second. THis is done by doing 0 - -4 (aka 0 + 4), which equals 4. Then, you divide the distance of the y's over the distance of the x's, which gets you the slope, which is -1. Hope this helped!

8 0
4 years ago
S = {2, 4, 6, 8, 10
Aloiza [94]

Answer:

0.2

Step-by-step explanation:

the total is 10

they said that it has to be the same group as S and T

the only numbers that are in the same groups is 2 and 4

the fraction is then 2/10

which is .2

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8 0
3 years ago
PLS HELP THANK UUU!!!
Svetach [21]

Answer:

47.45754235

31.46697634

Hey do you need to show your work for these? I found an answer key

Step-by-step explanation:

We need to use law of cosines

c²=a²+b²-2abcos(C)

let x= angle xzy

plugging in what we have the equation looks like

17²=22²+20²-2*22*20*cos(x)

289=484+400-880cos(x)

.676136364=cos(x)

x=47.45754235

b.)

The smallest angle should be opposite to the smallest side

Using the law of cosines again we get

9²=13²+17²-2*13*17*cos(x)

81=458-442cos(x)

.852941176=cos(x)

x=31.46697634

6 0
3 years ago
Prepare 1500 ml of 5.0 M H2SO4 from a stock H2SO4 which is 80% pure and a s.g of 1.018
pentagon [3]

To solve this we use the equation,

 

<span> M1V1 = M2V2</span>

 

<span> where M1 is the concentration of the stock solution, V1 is the volume of the stock solution, M2 is the concentration of the new solution and V2 is its volume.</span>

<span>
</span>

<span>M1 = .80 g H2SO4 / g solution (1018 g solution / L solution ) (1 mol / 98.08) = 8.30 M</span>

<span>
</span>

<span>8.30 (V1) = (5.0 M) (1.5 L)</span>

<span>V1 = 0.9036 L or 903.6 mL of the stock needed</span>

3 0
4 years ago
Vivian is going to do some yard work, but she needs to leave her house at
mestny [16]

vivian will be ready at 11:10

7 0
3 years ago
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