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aleksandrvk [35]
3 years ago
12

Lily took 57 seconds to walk from classroom to library.If the distance between the classroom and library was 38m, at what averag

e speed did Lily walk in m/min?
Mathematics
1 answer:
sp2606 [1]3 years ago
4 0

Answer: 40

Step-by-step explanation:

First find what 57 seconds in minutes is, 57 seconds equals 0.95 minutes

And then do distance/time=speed

38/0.95=40 m/min

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A container holds 21 spoons and 27 forks. What is the ratio of spoons to the total number of utensils in the container?
sergey [27]
If there's 21 spoons and 27 forks than there are 48 utensils, and the ratio of spoon to total stilis is 21/48, and if you reduce that it is 7/16. So your answer is B. 7/16.<span />
4 0
3 years ago
What are the zeros of the function defined by the polynomial<br> x2 + 7x+12?
ryzh [129]

Answer:

x = -4 and -3

Step-by-step explanation:

factors to (x+4)(x+3)

to zero them is -4 and -3

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4 0
2 years ago
Find the value of x in a triangle. x-20, x+10, x-20
tatyana61 [14]

The value of the angles should be. (x-40°). , (x-20°), (½x-10°) , not (x-40°) + (x-20°)+(½x-10°)

Sum of all the interior angles of a triangle is 180°.

So a equation can be made by the given data,

(x-40°) + (x-20°) + (½ x-10°) = 180°

x-40°+x-20°+½x-10° = 180°

2x+½x -60°-10° = 180°

5/2 x - 70° = 180°

5/2 x = 180° + 70°

5/2 x = 250°

x = 250° × 2/5

x = 50° × 2

x = 100°

So the angles are

x-40° = 100°-40° = 60°

x-20° = 100°–20° = 80°

½x-10° = ½(100)° - 10° = 50° -10° = 40°

The answer can be checked by putting the values of the angle we got in the second statement i.e. Sum of all the interior angles of a triangle is 180°.

60° + 80° + 40° = 100° + 80° = 180°

6 0
3 years ago
Answer the following correctly do not give foolish answers or i will report your account
Anvisha [2.4K]

Answer:

I don't know the answer but I have a suggestion, have you tried using 900gle lens app putting it on homework setting then scanning it for the answer

8 0
2 years ago
What is the answer to 2 - 6h when h = - 3
Oxana [17]


h=-3

<em><u>Substitute h in</u> 2-6h</em>

2-6h=

2-6*(-3)=2+18=20

<em>Answer: 20</em>

6 0
3 years ago
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