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yan [13]
3 years ago
6

What 10 coins make up $0.77 ?

Mathematics
2 answers:
Hitman42 [59]3 years ago
6 0
Dime dime dime dime dime dime dime nickel Pennie Pennie
e-lub [12.9K]3 years ago
4 0
2 pennies 7 dimes 1 quarter
You might be interested in
Normal Distribution. Cherry trees in a certain orchard have heights that are normally distributed with mu = 112 inches and sigma
Lubov Fominskaja [6]

Answer:

The probability that a randomly chosen tree is greater than 140 inches is 0.0228.

Step-by-step explanation:

Given : Cherry trees in a certain orchard have heights that are normally distributed with \mu = 112 inches and \sigma = 14 inches.

To find : What is the probability that a randomly chosen tree is greater than 140 inches?

Solution :

Mean - \mu = 112 inches

Standard deviation - \sigma = 14 inches

The z-score formula is given by, Z=\frac{x-\mu}{\sigma}

Now,

P(X>140)=P(\frac{x-\mu}{\sigma}>\frac{140-\mu}{\sigma})

P(X>140)=P(Z>\frac{140-112}{14})

P(X>140)=P(Z>\frac{28}{14})

P(X>140)=P(Z>2)

P(X>140)=1-P(Z

The Z-score value we get is from the Z-table,

P(X>140)=1-0.9772

P(X>140)=0.0228

Therefore, the probability that a randomly chosen tree is greater than 140 inches is 0.0228.

5 0
3 years ago
Sara is 9 years younger than her brother, Michael. The sum of their ages is 47 years. How old is Sara and how old is her brother
kotykmax [81]

Answer:

Michael is 38 and Sara is 29

Step-by-step explanation:

Because it says the sum of their age is 47 you do 47-9=38 so that would be Michael's age and than because Sara is 9 years younger than him and then you would do 38-9=29

7 0
2 years ago
2. The table shows the mass of fibres in 100 grams of each food item below. Food Mass of fibre (grams per 100 grams) Beans Bread
Andre45 [30]

Given that the amount of fiber in 100 grams of beans is 3.6 grams the amount of fiber consumed from  \mathbf{\frac{2}{3}} of the small tin is <u>4.8 grams</u>.

<h3>How can the amount of fiber consumed be calculated?</h3>

From the given table, we have;

Mass of fiber in 100 g of beans = 3.6 grams

Mass of beans in the small tin = 200 grams

The quantity of the beans eaten = \frac{2}{3} of the small tin

Required:

The amount of fiber to consumed from eating  \frac{2}{3} of the small tin

Solution;

Amount  \ of \ fiber \ consumed = 200 \, g \times \dfrac{3.6 \, g}{100 \, g}  \times \dfrac{2}{3}  = \mathbf{4.8 \, g}

Therefore;

The amount of fiber consumed by eating \frac{2}{3} of the small tin = <u>4.8 grams</u>

Learn more about fractions here:

brainly.com/question/20591763

3 0
2 years ago
During bowling practice, Oscar rolled 14 strikes out of 70 attempts, What
quester [9]

Answer:

20% or 0.2

Step-by-step explanation:

u do 14÷70=0.2

to get the percent you move the decimal two places right

0.2⇒20.0⇒20%

3 0
3 years ago
A three-bend saddle will only fit tight if the radius of the obstruction is equal to or less than the radius of the bend.
Dima020 [189]

Answer:

True

Step-by-step explanation:

A three-bend saddle consists of a center bend and 2 side bends with the center bend having twice the angle of the side bends. Therefore, the radius of the obstruction has to be equal or less than the radius of the bend in order to fit tightly

6 0
3 years ago
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