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Rus_ich [418]
2 years ago
10

11. Four less than a number tripled is the same number increased by ten. What is the number?

Mathematics
1 answer:
Sphinxa [80]2 years ago
8 0

Answer:

7

Step-by-step explanation:

first, we would set up an equation. let 3x-4 represent "four less than a number tripled". "a number" would be represented by x. let x+10 represent "the same number increased by 10".

set 3x-4 and x+10 equal to each other:

3x-4=x+10

next, we would solve this equation for x. first we would get the x together on one side of the equation. we would do this by subtracting x from both sides to remove it from the right side of the equation:

2x-4=10

then, we would get the 2x by itself. we would do this by adding 4 to both sides:

2x=14

finally, we would divide each side of the equation by 2 to find x:

x=7.

The number is 7.

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Solve for x.<br> 144°<br> 18 degrees<br> 30 degrees<br> 48 degrees<br> 120 degrees
disa [49]

Answer:

<h2><u><em>x = 18 °</em></u></h2>

Step-by-step explanation:

you have a rotation angle of 360 °, take out the known values ​​(360 ° -90 ° -144 ° = 126), 144 ° is part of a flat angle of 180 °, from 180 ° remove 144 and you have 36 °, they are opposite angles therefore the same. therefore 360 ​​- 144 - 90 - 36 - 36 = 54.

54 is 3x, so x = 18 ° (54 : 3 = 18)

7 0
1 year ago
The length of a rectangle is five times its width. The perimeter of the rectangle is at most 96 cm.
kupik [55]

answers B and D are clearly wrong and if u do some simple thinking you can determine the answer is C...


Have a fantabulous day! :)

5 0
3 years ago
Read 2 more answers
Kayla says that the point labeled C in the diagram below is the center. Raymond says that point C is the radius.
frutty [35]

Answer:

Kayla is correct The center is a fixed  point in the middle of the sphere

Step-by-step explanation:

In mathematics we have certain habit of rules for notation of points, coordinates, segments, angles and so on.

Usually we denote points,  by letters even more we denote with the first letter of the object we are denoting

Occasionally, we also denote  segments as radius in a circle and in a sphere, with letters,  that is r stands for  radius, h stands for height, in most cases we denote point for capital letters ( in a segment)  

When we denote radius, with small letter it should be placed at the center or over the segment we are traying to denote.

For points we only need to place the letter close to the to the point we want to denote.

Therefore Kayla is correct when says that c stand for " the center of the sphere"

8 0
2 years ago
Read 2 more answers
9. The sum of 10 and 7 times a number is 59. What is the<br> number? (Use n as the variable.)
PSYCHO15rus [73]
10+7n=59
7n=59-10
7n=49
n=49/7
n=7
4 0
3 years ago
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Help! <br><br> Find the exact value of tan A in simplest radical form.
zvonat [6]
6/7 would be tan A
hope this helps
6 0
2 years ago
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