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hjlf
3 years ago
13

Help me with question8 plz aSAP ASAP

Mathematics
1 answer:
olga_2 [115]3 years ago
6 0
A) the slope of distance vs time is speed:

i) from 09:00 to 09:11 it is increasing velocity positively and steadily by going away from the origin.

ii)  the car speeds up by going away from the origin with constant velocity.

iii) the car does not have any movement stationary in 9m.

iv) it car is dropping speed, going toward the origin.

b) distance= 9m+6m=15m

c) i) slope= velocity= (9-0)/(24)= 3/8 km/h

ii) velocity = (6-4)/(19)=2/19 km/h


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Subtract and write your answer as a mixed number 9 4/5 - 7 1/2
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In the given right triangle, find the missing length to the nearest tenth.
Jlenok [28]

Answer:

D. 25 ft.

Step-by-step explanation:

To find the missing length of any right triangle, you can use the Pythagorean Theorem (A^2+B^2=C^2) to solve. A and B represent the legs (which we do have) and C represents the hypotenuse (which we are trying to find). Insert our known values into the theorem, and we will get 24^2+7^2=C^2. Now we just do the basic math for the numbers that we have (24^2 is 576<em>;</em><em> </em>7^2 is 49), and that added up would equal to 625. Now, since C is being squared on the other side, we now have to root both sides. On the side where C is, the radical and the square will cancel out each other, leaving us with just C. But, on the side where 625 is, it should root to 25. Since C is by itself now, the number on the other side (25) will be our answer. Therefore, the missing side is 25 feet long.

8 0
3 years ago
Read 2 more answers
X:y = 9:7 Form an equation that links x and y
sleet_krkn [62]

Equations are expressions with equal values

The equation that links x and y is 7x = 9y

<h3>How to determine the equation</h3>

The ratio is given as:

x : y = 9 : 7

Express the ratio, as a fraction

\frac xy = \frac 97

Cross multiply

7 *x = 9 * y

Evaluate the product

7x = 9y

Hence, the equation that links x and y is 7x = 9y

Read more about equations at:

brainly.com/question/7784687

6 0
2 years ago
The radiused of earth is 6378.1 km which is 51,853.9 km less than the radius of Saturn find the radius of Saturn
pogonyaev
R of Earth = R of Saturn - 51,853.9 km
6,378.1 km = R - 51,853.9 km
R = 6,378.1 km + 51,853.9 km
R = 58,232 km.
8 0
3 years ago
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