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Bezzdna [24]
3 years ago
8

When my mother buys washing powder she pays R45,65 for a 3kg bag hkw much does she pay for 1kg​

Mathematics
2 answers:
V125BC [204]3 years ago
7 0

To solve this divide 4565 by 3.

stiv31 [10]3 years ago
6 0

Step-by-step explanation:

pricr of 1 kg powder= 4465/3

=1521.66

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A flower bed has a perimeter of 144 inches. Wjat is the largest possible area for the flower bed?
Vadim26 [7]
The answer I is 60 feet for this one.
3 0
3 years ago
Read 2 more answers
Georgia ,a florist,charges $10 per flower bundle plus a$15 delivery charge per order what is the slopes​
andrew11 [14]

Answer:

  • <em><u>The slope is $ 10 per flower bundle.</u></em>

Explanation:

The <em>slope</em> of a linear function is the ratio of the change in the dependent variable over the change in the independent variable.

In the problem, the independent variable is the number of flower bundles and the dependent variable is the amount charged.

If you call n the number of flower bundles and c(n) the amount charged per order, the amount charged per order is modeled by linear function:

  • c(n) = 10n + 15

Where, 10 is the amount charged in dolars per flower bundle, and 15 is the delivery charge per order.

Then, for every increment in the number of flower bundles (n) the amount charged will increase in $ 10. That is the slope

  • slope = $ 10 / flower bundle.
3 0
3 years ago
Professor Halen teaches a College Mathematics class. The scores on the midterm exam are normally distributed with a mean of 72.3
lbvjy [14]

Answer:

14.63% probability that a student scores between 82 and 90

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 = 72.3, \sigma = 8.9

What is the probability that a student scores between 82 and 90?

This is the pvalue of Z when X = 90 subtracted by the pvalue of Z when X = 82. So

X = 90

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

Z = \frac{90 - 73.9}{8.9}

Z = 1.81

Z = 1.81 has a pvalue of 0.9649

X = 82

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

Z = \frac{82 - 73.9}{8.9}

Z = 0.91

Z = 0.91 has a pvalue of 0.8186

0.9649 - 0.8186 = 0.1463

14.63% probability that a student scores between 82 and 90

3 0
3 years ago
What is the slope of the line?<br><br> A. 3<br><br> B. -3<br><br> C. 1/3 <br><br> D. -1/3
Inessa05 [86]

Answer:

B. -3

Step-by-step explanation:

Starting from the y-intercept of [0, -2], you do <em>rise\</em><em>run</em><em> </em>by either moving three blocks <em>north</em><em> </em>over<em> </em>one block <em>west</em><em>,</em><em> </em>or three blocks <em>south</em><em> </em>over one block <em>east</em><em> </em>[<em>west</em> and <em>south</em> are negatives].

I am joyous to assist you anytime.

3 0
3 years ago
Page !
ANTONII [103]

Answer:

19 orders of tea

57 orders of collee

Step-by-step explanation:

find 1/4 of the 76

76/4=19

multiply by 3

19x3=57

8 0
3 years ago
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