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AnnZ [28]
3 years ago
14

every 30 seconds, Joan places a correct puzzle piece. How long would it take her to complete a 3000 piece puzzle?

Mathematics
1 answer:
k0ka [10]3 years ago
7 0

Answer:

it will take her 90000 seconds to complete 3000 piece of puzzle

Step-by-step explanation:

every 30 seconds, a correct puzzle piece , meaning 1 piece

how long would it take her to complete a 3000 piece puzzle

so let x = how long it would take her to complete a 3000 piece puzzle

so if 30 seconds = 1 piece

x seconds = 3000 piece

x = 90000 seconds

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Question 13
ArbitrLikvidat [17]

Answer:

C

Step-by-step explanation:

Here in this question , we are interested in calculating the total distance covered by the train in the 10 minutes that it ran.

From the first part of the question, we already know the distances in the first 5 minutes.

Now, to calculate the total distance in the second 5 minutes, we use the distance formula since we have the average speed and the time;

Mathematically; Total distance = average speed * time

From the question, average speed is 33km/h, while time is 5 minutes. To achieve a consistent unit, we convert 5 minutes to hours.

That would be 5/60 = 1/12 hours

So the total distance in the second 5 minutes is;

33 * 1/12 = 2.75 km

Now, to calculate the total distance traveled, let’s add up the distances in the first 5 minutes and convert to kilometers;

That would be;

68 + 127 + 208 + 312 + 535 = 1,250 m

Let’s convert this to km.

We simply divide by 1000 = 1250/1000 = 1.25 km

The total distance is thus ;

1.25 + 2.75 = 4 km

4 0
3 years ago
Carla is arranging square patches of grass on her rectangular lawn her lawn is 10 yards wide and 3 and 1/2 yards long how many s
Paraphin [41]

Answer:

I don't know if this is correct but wouldn't it be 560?

Step-by-step explanation:

If you have 10 on one side, you divide 10 by 1/4 to get 40. So you need 40 blocks to fill one side, and 3 1/2 on the other only needs 14. 14*40=560.

8 0
3 years ago
Which shows how to solve the equation Three-fourths x = negative 6 for x in one step?
tino4ka555 [31]

Answer:

x = -8

Step-by-step explanation:

Let's put this into numbers: \frac{3}{4}x =-6

The first thing you want to do is to multiply both sides by 4:

3x=-24

Next you need to divide by 3:

x=-8

The answer is -8

5 0
3 years ago
Please help me understand this! Thanks a bunch if you help!
mariarad [96]
Segment BD equals 12<span />
6 0
3 years ago
A) What type of triangle is triangle ABC?<br> isosceles<br> b) Give reasons for your answer.
lara31 [8.8K]

The type of triangle represented in the image attached to the task content is; Isosceles.

<h3>What type of triangle is triangle ABC?</h3>

By observation; since line AB and DE are parallel lines; it follows from the alternate Angie theorem that; <ABC = <BCE = 80°.

On this note, since angle ACD is 50°, the measure on <ACB is;

180 - 80 - 50 = 50°.

Therefore, since the sum of interior angle measures in a triangle is; 180°.

It follows that; <BAC is; 180 - 80 - 50 = 50°.

Hence, since the base angles; BAC and ACB are equal; it follows that the triangle in discuss is an isosceles triangle.

Read more on isosceles triangle;

brainly.com/question/1475130

#SPJ1

4 0
1 year ago
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