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Minchanka [31]
3 years ago
15

250= 28.5x + 50.5 where x is the number of years after 2000

Mathematics
1 answer:
sveticcg [70]3 years ago
8 0
250=28.5x+50.5
-50.5
199.5=28.5x
/28.5
=7
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Please help.ASAP.Thank you!
frosja888 [35]
8.8, you have to find the distance between each dash and see if the two number lines on #11 match.


4 0
3 years ago
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What is the answer to 3x+x/4=x+3/4
erica [24]

Answer:x = 1

Step-by-step explanation:

3x + x/4 = x + 3/4

Subtract x from each side

2x + x/4 = 3/4

Times each side by 4

The 4 beneath the x cancels out

3/4 x 4 = 3

2x + x = 3

3x = 3

Divide each side by 3

x = 1

5 0
3 years ago
Find the radius of a circle in which the central angle of (pie /4 ) radian determines a sector with an area of 86m^2
LenKa [72]
Area of sector  = 1/2 * r^2 * x   where r = radius and x = angle in radians

86 = 1/2 * r^2 * pi/4

r^2 = 2 * 86 * 4  / pi  =  219

r =  sqrt 219

= 14.80
6 0
3 years ago
When the prefix milli is used, it means multiply the number by ? ?
valina [46]
1 meter  = 1000 millimeters

so,  5 meters   = 5*1000 = 5000 millimeters

and  6000 millimeters = 6000 / 1000 = 6 meters
3 0
3 years ago
Two sides of a right triangle have the lengths 4 and 5. What is the product of the possible lengths of the third side? Express t
marishachu [46]

Answer:

19.2

Step-by-step explanation:

<u>1st Case:</u>

4 and 5 are legs of the right triangle.

Using the pythagorean therom: a^2+b^2=c^2

We can say that 4^2+5^2=x^2

16+25=x^2

41=x^2

x=√41

√41 is about 6.4

x=6.4

<u>2nd Case</u>

5 is the hypotenuse of the right triangle and 4 is the legs.

Using the pythagorean therom: a^2+b^2=c^2

We can say that 4^2+x^2=5^2

16+x^2=25

x^2=9

x=3

<u>Final Step</u>

We need to multiply the two possible lengths for x. So for case 1 the length of x was 6.4 and for case two the length was 3. 6.4*3=19.2

Anwser: <u>19.2</u>

6 0
3 years ago
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