PLEASE PLEASE PLEASE HELP!!

Mathematics

1 answer:

Tema [17]2 years ago

8 0

My answer is use a map app like Photomath

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There are 200 marbles in the bag. John picks 10 marbles out of

aleksklad [387]

Answer:

C. 60 blue marbles

Step-by-step explanation:

10 marbles are taken out of the bag.

6 marbles taken out are red.

So the other 4 marbles taken out are blue.

200 ÷ 4 = 50

and 50 is close to 60.

Let me know if this helps!

3 0

2 years ago

Scott grades 15 papers every 15 minutes. how many papers can scott grade in 130 mintues? round to the nearest tenth?

Alja [10]

Answer:

130 papers.

Step-by-step explanation:

1 min per paper therefore 130 mins = 130 papers

7 0

2 years ago

Read 2 more answers

A pigpen is to be enclosed using 640 m of fencing along three of its sides, the fourth side being a barn. Determine the dimensio

Basile [38]

Answer:

$W_{max}=480m\\ L_{max}=160m$

Step-by-step explanation:

Since we know we only have 640 feet of fence available, we know that L + W + L = 640, $\implies$ 2L + W = 640. This allows us to represent the width, W, in terms of L: W = 640 – 2L

Remember, the area of a rectangle is equal to the product of its width and length, therefore,

$A_{\rm pigpen}=L(640-2L)\implies 640L-2L^2$

Notice that, quadratic has been vertically reflected, since the coefficient on the squared term is negative, so the graph will open downwards, and the vertex will be a maximum value for the area.

recall,