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dem82 [27]
3 years ago
11

Please help me with this question. How can proportional reasoning help solve a problem?

Mathematics
1 answer:
andre [41]3 years ago
3 0
We can use proportional reasoning to solve some questions directly, such as which size of laundry detergent is the cheapest per load, or what the dimensions of the model car should be.
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What is the measure of the angle between a perpendicular bisector and the segment it is bisecting? A. 180° B. 90° C. 45° D. 0°
gregori [183]
If something is perpendicular to something else, it intersects it at 90 degrees. So, it there is a bisector perpendicularly bisecting a segment, it means they are crossing at a 90 degree angle. Your answer should be B.
6 0
3 years ago
Help on number 9 please!
lutik1710 [3]

2x+2

Work:

Factor 2x^2+10x+12: 2(x+2)(x+3)

Cancel all x+3, leaving 2(x+2)

2x+2

4 0
3 years ago
If 3/4(x) is 12, then what is x?
iren [92.7K]

Answer:

16

Step-by-step explanation:

The equation is 3/4x=12, so you would just divide 12 by 3/4 to get 16 as x

6 0
3 years ago
Read 2 more answers
Please help me with this!!!
Alona [7]

Answer:

Divide each number by 2 then translate them

5 0
2 years ago
2. Solve the following equations for 0° Sx < 180°.
diamong [38]

Answer:

See below in bold.

Step-by-step explanation:

(1) cosec ( x + 10) = 3

Now cosec x = 1/sin x so

1 / sin (x + 10) = 3

3 sin (x + 10) = 1

sin (x + 10) = 1/3

x + 10 = 19.47 , 160.53 degrees

x = 9.47, 150.53 degrees.

(ii) cot (x - 30) =0.45

cot (x - 30)= 1 /tan (x- 30) so we have

tan (x - 30) = 1 / 0.45 = 2.2222

x - 30 = 65.77 degrees

x = 95.77 degrees.

5 0
3 years ago
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