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ss7ja [257]
3 years ago
11

How many Apple are there if Jenny has 17 and Mark has 3

Mathematics
2 answers:
Diano4ka-milaya [45]3 years ago
8 0

Answer:

twenty apples dsghaggegubvtvxdd

Dahasolnce [82]3 years ago
4 0
20 apples. Duh. 17+3=20
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You pay $ 1.00 to buy a package of paper napkins costing $ .64. how much change will you get back? give the expression also.
inna [77]
$1.00 - $.64 = 36 cents.  You get 36 cents back in change.
8 0
3 years ago
Help me!!! please!!! ​
marshall27 [118]

Answer:

a) The five ordered pairs are:-

(1,60) , (2,120) , (3,180) , (4,240) , (5,300)

b)When You divide the y value by x value for each ordered pair u find the slope.

c)The graph shows a proportional relationship.Because as x-value increases so does y-value.

d)Y=mx+b-->  Y=60x (No y-intercept because it starts from 0)

e)If a person hiked for 9 hours then the distance would be 540. Because If u plug in the number of hours in the x value of the equatione then u will get 540. Here's the work:-

Y=60(9)

Y=540

Step-by-step explanation:

Hope it helps u. And if u get it right pls give me brainliest.

7 0
3 years ago
a study of nickels showed that the standard deviation of the weight of nickels is 300 milligrams. A coin counter manufacture wis
cupoosta [38]

Using the z-distribution, a sample of 609 nickels has to be weighed.

<h3>What is a z-distribution confidence interval?</h3>

The confidence interval is:

\overline{x} \pm z\frac{\sigma}{\sqrt{n}}

The margin of error is:

M = z\frac{\sigma}{\sqrt{n}}

In which:

  • \overline{x} is the sample mean.
  • z is the critical value.
  • n is the sample size.
  • \sigma is the standard deviation for the population.

For this problem, the parameters are:

M = 20, \sigma = 300, z = 1.645

We solve for n to find the sample size, then:

M = z\frac{\sigma}{\sqrt{n}}

20 = 1.645\frac{300}{\sqrt{n}}

20\sqrt{n} = 1.645 \times 300

\sqrt{n} = 1.645 \times 15

(\sqrt{n})^2 = (1.645 \times 15)^2

n = 608.9

Rounding up, a sample of 609 nickels has to be weighed.

More can be learned about the z-distribution at brainly.com/question/25890103

#SPJ1

6 0
2 years ago
The data represents the semester exam scores of 8 students in a math course.
storchak [24]

Answer:

C

Step-by-step explanation:

if u try and find the median you get 50.5 because it is the middle of 50 (fourth term) and 51 (fifth term) and only c has the correct median

5 0
3 years ago
Does anyone know how to do this?​
GalinKa [24]

Diagonals of parallelogram ABCD are AC and Bd. P is point where diagonals crossing

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4 years ago
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