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3 years ago

How are dot plots, bar graphs, and histograms used to analyze data?

Mathematics

1 answer:

olganol [36]3 years ago

8 0

To Visualize data changes/trends over time.

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A washer and a dryer cost $770 combined. The washer costs $70 more than the dryer. What is the cost of the dryer?

vazorg [7]

Let w = washer and d = dryer:

w + d = $770,
but w = d + 70, replace w with d+70
(d+70) + d = 770
2d + 70 =770
2d = 770 -70 = 700
and d=$350, then w=350+70 = 420

8 0

3 years ago

One thousand and twenty students participated in the school math contest.

Tema [17]

Answer:

sample 1: 75

sample 2: 86

Step-by-step explanation:

6 0

2 years ago

Pls help me pls pls

bekas [8.4K]

Answer:

190.8

Step-by-step explanation:

Im pretty sure my math is wrong but i hope this helps

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2 years ago

Read 2 more answers

What is 7.8×10^5 hours in days?

iragen [17]

Answer:

32500 Days

Step-by-step explanation:

$7.8$ × $10^{5}$ = $780000$

We know that there are 24 hours in a day.

⇒24 Hours = 1 Day

therefore $780000$ hours = $\frac{780000}{24} = 32500$ Days

7 0

2 years ago

What is h(-4) for h(x) =(x-2)^2 +3x

PSYCHO15rus [73]

$(- 4 - 2)^{2} + 3( - 4) \\ = ( - 6)^{2} + ( - 12) \\ = 36 - 12 \\ = 24$
The answer is 24

7 0

2 years ago