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3 years ago

Clara found a nickel, a quarter, two dimes, another quarter, and two pennies in her desk drawer, how much money did clara find?

Mathematics

2 answers:

alisha [4.7K]3 years ago

7 0

Answer:77 cents Clara found 77 cents bc you just need to add up the cents and you have it

adelina 88 [10]3 years ago

4 0

<h3>Answer:</h3>

77 cents

<h3 /><h3>Step-by-step explanation:</h3>

So 2 quarters is 50 cents and you have a nickel: 5 cents, then you have 2 pennies (2 cents), then you have 2 dimes. Now all you have to do is add them all together to get your answer.

5 cents + 25 cents= 30 cents

30 cents + 20 cents= 50 cents

50 cents + 25 cents= 75 cents

75 cents + 2 cents= 77 cents

So Clara would have 77 cents in her desk drawer.

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14. Isaiah bought a total of 22 pieces of candy. The tootsie rolls cost 3 cents each and the jolly ranchers cost 5

wolverine [178]

Answer:

Tootsie = 10

Jolly Ranchers = 12

Step-by-step explanation:

t= .03

j= .05

You would want 10 tootsies and 12 jolly ranchers

t x j= .90

Insert the previous term into the answer and you can always find it.

8 0

3 years ago

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PQ has endpoints P(-3,2) and Q(3,-2). Find the coordinates of the midpoint of PQ

hodyreva [135]

Answer:

(0,0)

Step-by-step explanation:

For this, you need to use the midpoint formula.

(-3) + 3 2 + (-2)

-------------- , ----------------

2 2

This leads to:

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The answer is:

(0, 0)

6 0

1 year ago

PLEASE HELP I NEED IT TO PASS THIS CLASS

vlabodo [156]

Answer:

55°

Step-by-step explanation:

Angles x and 125° are linear pair,

So,

x + 125° = 180°

x = ( 180 - 125 )°

x = 55°

8 0

3 years ago

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Pls help is it proportional????

Xelga [282]

Yes it is proportional

3 0

3 years ago

1.Suppose that scores on a knowledge test are normally distributed with a mean of 71 and a standard deviation of 6

Degger [83]

Answer:

a) For this case we can see the distribution in the figure attached is a bell shaped graph and symmetrical around 71

b) $z = \frac{76-71}{6}= 0.833$

We can see the value of 76 labeled in the second picture attached

c) $P(X>76)$

And using the z score we have this using the normal standard table or excel:

$P(Z>0.833) = 1-P(Z$

d) $n = 185*0.202= 154.16$

We can say that about 154 and 155 students scored higher than Angelica

Step-by-step explanation:

We know that X represent the random variable scores of knowledge test and is given by:

$X \sim N (\mu = 71, \sigma =6)$

Part a

For this case we can see the distribution in the figure attached is a bell shaped graph and symmetrical around 71

Part b

For this case the z score is given by:

$z = \frac{X- \mu}{\sigma}$

And replacing we got:

$z = \frac{76-71}{6}= 0.833$

We can see the value of 76 labeled in the second picture attached

Part c

We want this probability:

$P(X>76)$

And using the z score we have this using the normal standard table or excel:

$P(Z>0.833) = 1-P(Z$

Part d

For this case we can find the number desired like this:

$n = 185*0.202= 154.16$

We can say that about 154 and 155 students scored higher than Angelica

6 0

4 years ago