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Mazyrski [523]
2 years ago
8

Which inequality is true when x = 4?

Mathematics
1 answer:
elena-s [515]2 years ago
7 0

Answer:

x + 5 < 3

Step-by-step explanation:

One inequality could be x > 3. So when x = 4 this is true because 4 is greater than 3.

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Zack and Mandy are comparing results from a 2-day lab experiment. On Monday, Zack’s results showed that 0.891 of the particles w
mafiozo [28]
It would be A because0.891 is 89% which is bigger than 81%,82%,and 78%
6 0
4 years ago
Solve the equation using the Properties of Equality: 15a = – 2
Lostsunrise [7]

Answer:

          2

a =  -  ------

         15

Step-by-step explanation:

15 a = -2  (divide 15 on each side)

15a           2

-----  =  - ------

15            15

          2

a =  -  ------

         15

3 0
3 years ago
Hwelp T^T pwease! 20 pts
prisoha [69]
Hello again Charlesbabegirl! :)

First of all, let's say that the sum of all internal angles of a triangle is always 180°

This means that if you add up angles A, B and C you get 180 but we should find first the value of x by setting up a proportion of this type:

A + B + C = 180

12x + 12 + 15 + 3x + 18 = 180

Move all the known terms (those that don't have x) to the right with changed sign.

12x + 3x = 180 - 12 - 15 - 18

15x = 135

Divide both terms by 15

x = 9

Then plug the value of x...

m∠A = 12(9) + 12 = 108+12 = 120°

m∠C = 3(9) + 18 = 27 + 18 = 45°

Hope I helped and let me know if I was right!
3 0
4 years ago
Is 2(x+5) factored?
aniked [119]
Yes, it is! The unfactored version of that expression would be 2x+10.
8 0
3 years ago
The distance between City A and City B is 250 miles. On a certain wall map, this is
Vika [28.1K]

Answer:

Step-by-step explanation:

1.5 feet                   x

======        =     ======  

250 miles           450

Multiply both sides by 450

1.5 * 450                  x

======        =      

250 miles          

x = 2.7 feet

1 foot = 12 inches

0.7 foot = x

x = 12 * 0.7

x = 8.4 inches

Answer

Either 2.7 feet

or 2 feet 8 inches.

3 0
3 years ago
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