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Rainbow [258]
3 years ago
13

1. LeAnn has 20 coins in her piggy bank. All the coins are either pennies or dimes. The total value of the coins is 83 cents. H

ow many pennies are there? How many dimes?Draw the model, labeling all the parts so it is clear to your teacher what the model represents.
2.The 4th grade class is taking a field trip with 38 people. They use a total of 8 vehicles. Each car holds 4 passengers and each minivan holds 6 passengers. How many of each type of vehicle did they have? Draw the model, labeling all the parts so it is clear to your teacher what the model represents.
Mathematics
1 answer:
mafiozo [28]3 years ago
8 0
There is 7 dimes and 13 pennies
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If, for each mouse, the probability of turning left is 0.5 and the probability of turning right is 0.5, what is the probability
Phoenix [80]

Answer:

.125

Step-by-step explanation:

(.5)^2(.5)^1= .125

Where (.5)^2 is the probability two mice turn left multiplied by (.5) that one of them turns right.        

3 0
3 years ago
The amount of time it takes to cook a turkey increases with the weight of the turkey. it is recommended that you cook a 10-lb tu
nadezda [96]
Answer:
The weight of the turkey is related linearly to the time taken to cook it, however, they are not proportional to each other.

Explanation:
1- Direct proportional means that when the weight of the turkey increases, the time required to cook it increase with the same amount, and vice versa
2- Inverse proportional means that when the weight of the turkey increases, the time required to cook it decrease, and vice versa
2- No proportionality relation means that the two are not related to each other.

Now, for the given problem, we are given that:
i. 10lb turkey takes 3 hours to cook
ii. an additional 12 minutes is added for every extra 1lb of turkey

Therefore:
If we have 10lb turkey ......> time required = 3 hr
If we have 11lb turkey .......> time required = 3 hr + 12 min
If we have 12lb turkey .......> time required = 3 hr + 12 min + 12 min
If we have 13lb turkey .......> time required = 3 hr + 12 min + 12 min + 12 min
Noticing the pattern, we can find that:
time required to cook the turkey increases as the weight of the turkey increases but not at the same rate.
This means that when the weight of the turkey is doubled, the time increases, however, it is not doubled.
This means that the weight of the turkey is related linearly to the time taken to cook it, however, they are not proportional to each other.

Hope this helps :)



3 0
3 years ago
Read 2 more answers
2) A foul ball leaves the end of a baseball bat and travels according to the function
sladkih [1.3K]

Answer:

5

Step-by-step explanation:

7 0
3 years ago
What is the area of this figure?<br><br> Enter your answer in the box.
alisha [4.7K]
The answer is 28 I think
7 0
3 years ago
Read 2 more answers
How do i prove 2sec^2x-2sec^2xsin^2-sin^2x-cos^2x=1
kramer
2\sec^2x-2\sec^2x\sin^2x-\sin^2x-\cos^2x=2\sec^2x(1-\sin^2x)-(\sin^2x+\cos^2x)

Since \sin^2x+\cos^2x=1, you have

2\sec^2x(1-\sin^2x)-(\sin^2x+\cos^2x)=2\sec^2x\cos^2x-1

and since \sec x=\dfrac1{\cos x}, you end up with 2-1=1.
6 0
3 years ago
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