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victus00 [196]
4 years ago
5

a car and a truck are moving at thr same speed. the car drives 2 hours . thr truck continue for another half hour at the same sp

eed and goes 20 more miles.what is theat which is the car and the truck were traveling ? A ) 10 , B ) 20 , C) 40 , 4) 60
Mathematics
1 answer:
Gelneren [198K]4 years ago
3 0
I think the answer is C, but I don't even understand you're question is. do you want to know the mph they were going? if so then your answer is C
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A large city in the ancient world was square-shaped. measured in miles, its area numerically exceeded its perimeter by about 132
melisa1 [442]
Area = perimeter + 132.  

Let  each side of the city be x miles long, then:-

x^2 = 4x  + 132
x^2 - 4x - 132 = 0

x  =  [-(-4) +/- sqrt((-4)^2 - 4 * 1 *-132)] / 2

x = 13.66, -9.66   We ignore the negative

So the city  has dimension of 13.66 * 13.66

13.7 * 13.7   to nearest 10th
7 0
3 years ago
What is the classification for this polynomial?
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3 0
3 years ago
When a whole number is multiplied by 10 to the power of 1, how does the placement of the decimal point change?
Savatey [412]

Answer:

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7 0
3 years ago
On a number​ line, suppose the coordinate of A is​ 0 and AR=21. What are the possible coordinates of the midpoint of AR?
Gnoma [55]

Answer:

The possible coordinates of the midpoint are -10.5 and 10.5

Step-by-step explanation:

The given parameters are;

The coordinate of A = 0

The distance from A to R which is the same as AR = 21

Given that R is on the number line, we have;

When R is on the left side of A, which is = 0 - 21 = -21, we have;

The coordinates of the midpoint, M from -21 to 0 is given as follows;

M = (A + R)/2 = (0 - 21)/2 = -10.5

When R is on the right side of A, which is = 21 - 0 = 21, we have;

The coordinates of the midpoint, M from 21 to 0 is given as follows;

M = (A + R)/2 = (0 + 21)/2 = 10.5

Therefore, the possible coordinates of the midpoint are -10.5 and 10.5.

4 0
4 years ago
The width of the rectangle is 75% of its length. The length is 8 cm. What is the width of the rectangle?
hjlf

Given :

The length of the rectangle, l = 8 cm/

The width of the rectangle, w = 75% of 8 cm

                                                 $= \frac{75}{100} \times 8$

                                                 $=\frac{15}{20} \times 8$

                                                 = 0.75 x 8

                                                 = 6

Therefore, the width of the rectangle is 6 cm.                                          

6 0
3 years ago
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