3 years ago

Help please!!!!!!!!!

Mathematics

2 answers:

Liono4ka [1.6K]3 years ago

4 0

-6 And 8 ok it make me have 20 c

slega [8]3 years ago

4 0

-6 and 8 is the answer i

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You are driving to visit a friend in another state who lives 700 miles away.you are driving 65 miles per hour and have already d

zmey [24]

Answer:

You must drive 5 hours

Step-by-step explanation:

First we have to calculate how much we have to cover

v = velocity = 65 mi/h

t = time

d = distance

v = d/t

t = d/v

d = 700mi - 375mi

d = 325mi

t = d/v

t = (325mi) / (65mi/h)

t = 5h

The equation would then look like this:

t = (700mi - 375mi) / (65mi/h)

4 0

3 years ago

Read 2 more answers

Solve for x to the nearest tenth!!!!

Sedaia [141]

Answer:

√2685 is your answer

hope this will help you

6 0

2 years ago

In a sample of 679 new websites registered on the Internet, 42 were anonymous (i.e., they shielded their name and contact inform

Semmy [17]

Answer:

95% Confidence interval: (0.0429,0.0791)

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 679

Number of anonymous websites, x = 42

$\hat{p} = \dfrac{x}{n} = \dfrac{42}{679} = 0.0618$

95% Confidence interval:

$\hat{p}\pm z_{stat}\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}$

$z_{critical}\text{ at}~\alpha_{0.05} = \pm 1.96$

Putting the values, we get:

$0.0618\pm 1.96(\sqrt{\dfrac{0.0618(1-0.0618)}{679}}) = 0.0618\pm 0.0181\\\\=(0.0429,0.0791)$

is the required confidence interval for proportion of all new websites that were anonymous.

8 0

3 years ago

8. Graph the following linear equations.<br> a. 3x+5y=15

kenny6666 [7]

Answer:

slope: -3/5

y-intercept (0,3)

x - y

0 3

5 0

Step-by-step explanation:

I just did it

4 0

2 years ago

Can someone help me please

Nitella [24]

Answer:

16 units

Step-by-step explanation:

The perimeter is the sum of the lengths

Add up the lengths as shown

3+2+1+2+3+1+1+3

16 units

4 0

3 years ago