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rewona [7]
3 years ago
11

Simplify.

Mathematics
2 answers:
NemiM [27]3 years ago
5 0
The answer is A. three because
[-(-2)] makes a positive 2 (because a negative times a negative equals a positive) then subtract the positive 2 from 5 equals positive 3.
faust18 [17]3 years ago
3 0
5- [-(-2)]
5-2
3

Final Answer: B:3
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Solve for x.<br> X2 - 20x+ 100 = 0
lianna [129]

Answer:

X will equal 10 x=10

Step-by-step explanation:

First subtract 100 from both sides to get x^2-20x=-100 then find c. (-b/2)^2 is the formula. then c=100 so add 100 to both sides. x^2-20x+100=200. Then Factor. (x-10)^2=0 is what you should get. then do square root. x-10=0. So now add 10 to both sides and you get x=10. Tada!

8 0
2 years ago
Put these numbers in order of their distance from 0 on the number line, starting with the smallest distance. -26,-12.7,-9/2,2/10
Ksju [112]

Answer:

2/100, -9/2, 7, 11 1/4, 12.7, 41/2, -26.

Step-by-step explanation:

Given,

Points are -26,-12.7,-9/2,2/100,7,11 1/4,41/2

We have to arrange the number according to their distance from 0.

Simplifying Points

= -26, 12.7, -4.5, 0.02, 7, 11.25, 20.5

Now, arranging the number starting from the smallest distance from 0.

0.02, -4.5, 7, 11.25,12.7,20.5,-26

= 2/100, -9/2, 7, 11 1/4, 12.7, 41/2, -26.

4 0
3 years ago
Please help me with this
Triss [41]

Answer:

A - 5 square root of 3

Step-by-step explanation:

Take one of the triangles and use the pythagorean theorem. A^2 + B^2 = C^2

Hence,

5^2 + x^2 = 10^2

25 +x^2 = 100

25 +x^2 -25 = 100-25

x^2 = 75

Take the square root of both sides. . .

x = 5 square root of 3

6 0
3 years ago
Which number should each side of the equation 3/4 = 9 be multiplied by to produce the equivalent equation of x = 12?
Tema [17]
You need to multiply both sides of the equation by the reciprocal of 3/4. The reciprocal is 4/3 and  4/3 multiplied by 9 = 12. So x = 12 because a number times the reciprocal is one.
6 0
3 years ago
Read 2 more answers
Tap to view steps...
ivanzaharov [21]

Answer:

28800

Step-by-step explanation:

3 0
3 years ago
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