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trasher [3.6K]
3 years ago
5

the koala bear is 21 inches tall. the elephant is 9 times as tall as the koala. How tall is the elephant?

Mathematics
1 answer:
Bumek [7]3 years ago
6 0
9 times 21 is 189
the answer is 189 inches
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Tatiana [17]

Answer:

We can replace the 'm' with the value of 'm' on the table to get the value of 't'.

Using the equation t=0.5m+15 from the first part of the question to complete the table:

<h3>When 'm' equals 5:</h3>

t=0.5(5)+15\\\rightarrow 0.5*5 = 2.5\\t=2.5 + 15\\t=17.5

<h3>When 'm' is 10:</h3><h3>t=0.5(10)+15\\\rightarrow 10 * 0.5 =5\\t = 5+15\\t=20</h3><h3>When 'm' is 15:</h3>

t=0.5(15)+15\\\rightarrow 0.5 * 15 = 7.5\\t=7.5+15\\t=22.5

<h3>When 'm' is 20:</h3><h3>t=0.5(20)+15\\\rightarrow 0.5*20=10\\t=10+15\\t=25</h3><h3 />

Hope this helps.

4 0
3 years ago
Suppose that there are 500 students in the school about how many of them study between 4.2 and 5.8
Nata [24]

Answer:

i know right

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
To make a stemplot of these rainfall amounts, round the data to the nearest 10, so that stems are hundreds of millimeters and le
Over [174]

The two stem plots (with and without splitting the leaves) are plotted below using the data given in the attached picture :

The stem and leaf plots are given below:

Rounding the data to the nearest 10;

The values obtained are :

630, 670, 740, 650, 710, 740, 720, 700, 650, 600, 780, 780, 790, 810, 830, 860, 860, 900, 810, 790, 790, 960, 870

Ordering the data allows for easier generation of the plot.

Ordered data : 600, 630, 650, 650, 670, 700, 710, 720, 740, 740, 780, 780, 790, 790, 790, 810, 810, 830, 860, 860, 870, 900, 960

The stem plot without splitting :

STEM __ LEAF

6 ___ 00, 30, 50, 50, 70

7 ___ 00, 10, 20, 40, 40, 80, 80, 90, 90, 90

8 ___ 10, 10, 30, 60, 60, 70

9 ___ 00, 60

KEY :  6 | 00 = 600

The stem plot WITH splitting :

STEM __ LEAF

6 ___ 00, 30

6 ___ 50, 50, 70

7 ___ 00, 10, 20, 40, 40

7 ___ 80, 80, 90, 90, 90

8 ___ 10, 10, 30

8 ___ 60, 60, 70

9 ___ 00

9 ___ 60

KEY :  6 | 00 = 600

The stem plot with splitting gives a cleaner and more arranged output of the data as the values aren't congested on a single line.

Learn more on stem and leaf plot : brainly.com/question/12857419?

3 0
3 years ago
What is the<br> range of the function graphed below? I am in desperate need of answer
larisa [96]

Answer:

B

Step-by-step explanation:

look at where the line reaches on the y-axis

7 0
3 years ago
The length of a rectangle exceeds its breadth by 7cm. if the length is decreased by 4cm and the breadth is increased by 3cm, the
riadik2000 [5.3K]

Answer:

16cm

Step-by-step explanation:

Let the breadth = x

The length exceeds = x + 7

The breadth increased = x + 3

Because it said the length decreased by 4 so, the length would be:

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Original area:

We learn that:

area = length * breadth

x*(x+7) = (x+3)*(x+3)

x^2 + 7x = (x+3)^2

x^2 + 7x = x^2 + 6x + 9 (We also learn that (a+b)^2 = a^2 + 2ab + b^2

x^2 - x^2 + 7x - 6x = 9

x = 9 (so the breadth = 9)

The length = x + 7 = 9+7 = 16(cm)

Hope this help you :3

7 0
3 years ago
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