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2 years ago

Please help please please help 16 points

Mathematics

1 answer:

asambeis [7]2 years ago

4 0

Answer:

1.6 = x axis || 2.5 = y axis

Step-by-step explanation:

each line is 0.5

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At a hardware store, each wooden plank costs $3.57. How much do 12 planks cost? $

BigorU [14]

Answer:

42.84

Step-by-step explanation:

3.57*12=42.84

3 0

3 years ago

...

ICE Princess25 [194]

Answer:-5

Step-by-step explanation:

i could be wrong i used my calculator

4 0

3 years ago

An investment website can tell what devices are used to access their site. The site managers wonder whether they should enhance

lbvjy [14]

Answer: a) Unimodal and symmetric

b) 0.26

c) 0.038

Step-by-step explanation:

Given: Sample size of investors (n)= 131

True proportion of smartphone users(p) =26%

a) Since sampling distribution for the sample proportion is approximately normal when n is larger.

Normal distribution is Unimodal and symmetric.

So correct option : Unimodal and symmetric

b) mean of this sampling distribution = p = 0.26

c) standard deviation of the samplingdistribution = $\sqrt{\dfrac{p(1-p)}{n}}=\sqrt{\dfrac{0.26\times (1-0.26)}{131}}=\sqrt{0.00146870229008}$

$=0.0383236518364\approx0.038$

6 0

3 years ago

Help answer this if ya know!

blagie [28]

C) The +10 is because you already have 10 coins, that will not change. The 6x is because with each passing day, the number of coins increase by 6 (x represents days). The equation then turns into y=6x+10

Hope this helps comment for more questions :)

4 0

3 years ago

Someone help me out here.

Vladimir [108]

Cremini:
$11.25 for 2/3 lb
2/3 lb = $11.25
1 lb = 11.25 ÷ 2/3 = $16.88 (nearest cent)

Chanterelle:
$7.99 for 1/2 lb
1/2 lb = $7.99
1 lb = $7.99 x 2 = $15.98

Answer: Chanterelle costs less. It costs $0.90 less than Cremini.

4 0

3 years ago