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prisoha [69]
3 years ago
15

PLS HELP I DINT NAVE MUCH TIME LEFT ILL MARK AS BRAINLIEST AND GIVE 30 BRAINLY POINTS. In her math class, Elena has been learnin

g about how to use the identity property of multiplication with fractions. She is still a little confused. She wants to write a fraction as one whole. She wrote
7/1 and 7/7 Which is correct? How do you know?
Mathematics
2 answers:
blsea [12.9K]3 years ago
8 0
What's up? if Elena wants the fraction to equal 1 whole, it would be 7/7. this is because 7 divided by 7 is 1! this can also be thought of as a pie. if there are 7 slices of pie with 7 still remaining, that's 1 whole pie
rodikova [14]3 years ago
7 0

Answer:

na you steal my points so i steal yours

Step-by-step explanation:

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A diver was swimming 62 feet below sea level. He then dove 39 feet further down. He ascended 48 feet after a while. Find the new
Harman [31]

Answer:

53 feet

Step-by-step explanation:

if you start with 62 feet and add 39 feet because he went down 62+39 you get 101 then if you subtract 48 because he went up, 101-48 you get 53 feet

6 0
3 years ago
Find the values of x and y in the parallelogram.
ValentinkaMS [17]
Answer:
x = 20
y = 8

In a parallelogram, there are always two pairs of equal sides, where in this question:

Side CD = Side BA
Side DA = Side CB

Use this to find x and y.

CD = BA
15 = x - 5
x = 20 (rearranging to find x)

DA = CB
y = 8
8 0
3 years ago
Write the factors of the following expression x3 (2a‐6)+x2 (2a-6)​
IrinaK [193]

Given:

The expression is

x^3(2x-6)+x^2(2x-6)

To find:

The factors of the given expression.

Solution:

We have,

x^3(2x-6)+x^2(2x-6)

First taking (2x-6) common, the given expression can be written as

=(2x-6)(x^3+x^2)

Taking x^2 common from (x^3+x^2), we get

=x^2(2x-6)(x+1)

Therefore, the factors of the given expression are x^2(2x-6)(x+1).

7 0
3 years ago
Here are the dimensions of the oven tray Jenny bakes the cakes on 600mm by 500mm. Each cake tin is 25 cm in diameter. How many c
storchak [24]
Given:
2 shapes: rectangle (tray) and circle (cake tin)

We need to find the area of each shape.

We need to convert mm to cm. 1mm = 0.1cm
600mm x 0.1cm/1mm = 60cm
500mm x 0.1cm/1mm = 50cm

Area of the Tray = 60cm * 50cm = 3,000cm²

Area of the cake tin = π r²
r = d/2 = 25/2 = 12.5cm

Area of the cake tin = 3.14 * (12.5cm)²
Area of the cake tin = 3.14 * 156.25cm²
Area of the cake tin = 490.625cm²

Area of the tray ÷ Area of the cake tin = number of cake tins that fit
3,000cm² ÷ 490.625cm² = 6.11 or 6 cake tins.

Only 6 cake tins Jenny can fit on the oven tray at one time.
7 0
4 years ago
When n is small (less than 30), how does the shape of the t distribution compare to the normal distribution?
Anna [14]

When n is small (less than 30), how does the shape of the t distribution compare to the normal distribution then"it is flatter and wider than the normal distribution."

<h3>What is normal distribution?</h3>

The normal distribution explains a symmetrical plot of data around the mean value, with the standard deviation defining the width of the curve. It is represented graphically as "bell curve."

Some key features regarding the normal distribution are-

  • The normal distribution is officially known as the Gaussian distribution, but the term "normal" was coined after scientific publications in the nineteenth century demonstrated that many natural events emerged to "deviate normally" from the mean.
  • The naturalist Sir Francis Galton popularized the concept of "normal variability" as the "normal curve" in his 1889 work, Natural Inheritance.
  • Even though the normal distribution is a crucial statistical concept, the applications in finance are limited because financial phenomena, such as expected stock-market returns, do not fit neatly within a normal distribution.
  • In fact, prices generally follow a right-skewed log-normal distribution with fatter tails.

As a result, relying as well heavily on the a bell curve when forecasting these events can yield unreliable results.

To know more about the normal distribution, here

brainly.com/question/23418254

#SPJ4

6 0
2 years ago
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