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hichkok12 [17]
2 years ago
9

I GIVEEE BRAINLIST //

Mathematics
2 answers:
V125BC [204]2 years ago
8 0

Answer:

-20% aka 20% decrease

Step-by-step explanation:

Naya [18.7K]2 years ago
8 0

Answer:

450 %20

Step-by-step explanation:

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Find the mean, median, mode, and range of this data: 49, 49, 54, 55, 52, 49, 55. If necessary, round to the nearest tenth.
Zigmanuir [339]
The mean is the average.
So, to find the mean you want o add up all of the numbers and then divide by the number of numbers.

49 + 49 + 54 + 55 + 52 + 49 + 575 = 363
363 / 7 = 51.85
Rounded to 52

For the median you want o line all of your number up from least to greatest and then find the middle number.

49,49,49,52,54,55,55

Your median is 52

The mode is the number that is listed most often

49 is listed 3 times
54 is listed 1 time
52 is listed 1 time
55 is listed 2 times

So, your mode is 49




4 0
3 years ago
PLSSSS HELP 20 POINTS ! Match each exponential inequality to its percent rate of change.
const2013 [10]

5(0.85)t < 1.5  is  15% decay

50(1.05)t < 100 is 5% growth

150(1.50)t > 500 is 50% growth

50(1.15)t < 150 is 15% growth



7 0
3 years ago
Read 2 more answers
Amanda drove for 3 hours through different traffic conditions. her average speed was 50mph for the first hour, 72 mph for the se
Neko [114]
Distance traveled in the first hour = 50 miles

Distance traveled in the second hour = 72 miles

Distance traveled in the third hour = 46 miles

Total distance = 50 + 72 + 46 = 168 miles

23 miles = 1 gallon

168 ÷ 23 = 7.30 gallons (nearest hundredth)

Answer:  7.30 gallons

7 0
3 years ago
Add the following matrices.
aksik [14]

Answer:

[7    6]

[7    4]

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
What are the zeros of the quadratic function? f(x)=3x2−300 Enter your answers in the boxes.
nata0808 [166]
Hi there!

We can find the zeros of a function by solving f(x) = 0. We find the following:

3 {x}^{2} - 300 = 0
Add 300 to both sides.

3 {x}^{2} = 300
Divide by 3.

{x}^{2} = 100
Take the root and minus root of both sides.

x = \sqrt{100} = 10 \\ or \\ x = - \sqrt{100} = - 10

Therefore, the zeros are
x = 10 and x = -10.

~ Hope this helps you!
5 0
3 years ago
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