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diamong [38]
3 years ago
11

Noah drew 22 hearts and 76 circles . what is the ratio of circles to all shapes?

Mathematics
2 answers:
8_murik_8 [283]3 years ago
4 0
First you add up all the objects that its asking you to find the ratio to. In this case its all the shapes shapes.
22+76 is 98.

Since we are looking for the circles and there i 76 circles the answer is 79 to 98 or 76:98
Pavel [41]3 years ago
3 0
The answer is 76/98 because 22+76 is 98
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4 pounds of bananas cost $6 dollars what is the cost per pound
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Answer: The cost per pound for bananas is $1.5 per pound.

Step-by-step explanation:

To get this answer you will divide the cost by the amount of bananas you have.

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3 years ago
The expression m÷4 is the distance each person runs in a relay race that is m miles. How far does each person run in a relay rac
inna [77]

Answer:

5

Step-by-step explanation:

Replace 20 instead of m

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5 0
3 years ago
Read 2 more answers
Solve this please! Also fill in the blanks
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4 0
3 years ago
The pregnancy length in days for a population of new mothers can be approximated by a normal distribution with a mean of 270 day
dusya [7]

Answer:

a) 281 days.

b) 255 days

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

\mu = 270, \sigma = 8

​(a) What is the minimum pregnancy length that can be in the top 8​% of pregnancy​ lengths?

100 - 8 = 92th percentile.

X when Z has a pvalue of 0.92. So X when Z = 1.405.

Z = \frac{X - \mu}{\sigma}

1.405 = \frac{X - 270}{8}

X - 270 = 1.405*8

X = 281

(b) What is the maximum pregnancy length that can be in the bottom 3​% of pregnancy​ lengths?

3rd percentile.

X when Z has a pvalue of 0.03. So X when Z = -1.88

Z = \frac{X - \mu}{\sigma}

-1.88 = \frac{X - 270}{8}

X - 270 = -1.88*8

X = 255

8 0
4 years ago
Use the product, quotient, and power rules of logarithms to rewrite the expression as a single logarithm. Assume that all variab
vladimir1956 [14]

4log(x) x + 3log(y)


The power rule of logarithms states:

log(4)^X = Xlog(4)


The product rule of logarithms states:

log(x) + log(y) = log(xy)


Rewrite each logarithm using the power rule of logarithms:

4log(x) = log(x)^4

3log(y) = log(y)^3


log(x)^4 + log(y)^3


Combine them using the product rule of logarithms:

log(x)^4 + log(y)^3 = log(x^4y^3)


Answer:

log(x^4y^3)

7 0
4 years ago
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