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3 years ago

Calculate the percent error. Jerri estimated that 30 people would attend the

Mathematics

1 answer:

kipiarov [429]3 years ago

3 0

Answer:she errored

Step-by-step explanation:

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If a train traveled at 50 meters within 120 seconds, what is its speed?

Alja [10]

Answer:

v = 0.416 m/s

Step-by-step explanation:

Give that,

Distance covered by a train, d = 50 m

Time taken, t = 120 s

We need to find the speed of a train. The formula for speed of an object is equal to the total distance covered divided by total time taken. It can be given by :

$v=\dfrac{d}{t}\\\\v=\dfrac{50\ m}{120\ s}\\\\v=0.416\ m/s$

So, the speed of a train is 0.416 m/s.

3 0

3 years ago

The sum of two numbers is 42. Their product is 360. What are the two numbers?

yKpoI14uk [10]

Those two numbers are 30 and 12.

30+12=42

and

30*12=360

:P

7 0

3 years ago

Read 2 more answers

Shelly and Mickelle are making a quilt. They have a piece of fabric that measures 48 inches by 168 inches.

irinina [24]

Answer:

(a) The largest square side is 24 inches

(b) No. of pieces are 14

Step-by-step explanation:

As per the question:

The dimensions of the fabric are $48 in\times 168 in$

(a)To calculate the side length of the largest square piece, we need to find the Greatest Common Factor (GCF) of the dimensions as:

$48 = 2\times 2\times 2\times 2\times 3$

$168 = 2\times 2\times 2\times 3\times 7$

Therefore,

The GCF of the dimensions = $48 = 2\times 2\times 2\times 3 = 24$

Therefore, the largest side of a square that can be cut from the fabric is 24 inches.

(b) The no. of pieces of 24 inches that can be cut from the fabric can be given as:

No. of pieces = $\frac{Total\ Area}{Area\ of\ largest\ square}$

No. of pieces = $\frac{48\times 168}{24\times 24}$ = 14

7 0

4 years ago

Read 2 more answers

the soccer field at Mario's school has an area of 6,000 square meters. how can mario show the area as a whole number multiplied

ruslelena [56]

6,000 = 6 x 10^3 square meters.
6,000 = 60 x 10^2 square meters
6,000 = 600 x 10^1 square meters.
You can pick which you wish to report in.
Hope this helps :-)

3 0

3 years ago

Read 2 more answers

A number is decreased by seven. Then, the new number is multiplied by 3 to get an answer of -9. What is the original number? A.

rusak2 [61]

Answer:

The answer is c

Step-by-step explanation:

You have to do everything backwards,

-9 divide it by 3 to get -3, then add seven to that answer

5 0

3 years ago

Read 2 more answers