Ask question

Ask question

All categories

anastassius [24]

3 years ago

15

Please please please help me

1 answer:

kotykmax [81]3 years ago

7 0

$\bf h=\left( \cfrac{1}{5}\right)w+\left( \cfrac{8}{5} \right)\implies \stackrel{\textit{multiplying both sides by }\stackrel{LCD}{5}}{5(h)=5\left[ \left( \cfrac{1}{5}\right)w+\left( \cfrac{8}{5} \right) \right]}\implies 5h=w+8 \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ ~\hfill 5h-8=w~\hfill$

You might be interested in

We learned in Chapter 13, Exercise 35 that the Paralyzed Veterans of America recently sent letters to a random sample of 100,000

Olegator [25]

Answer:

Step-by-step explanation:

given that the Paralyzed Veterans of America recently sent letters to a random sample of 100,000 potential donors and received 4781 donations

$H_0: p = 0.05\\H_a: p$

(left tailed test)

Sample proportion = $\frac{4781}{100000} \\=0.04781$

p difference = -0.00219

Assuming H0 to be true, std error of proportion

= $\sqrt{\frac{pq}{n} } \\=0.00158$

Test statistic Z = p diff/std error = -1.38641

p value = 0.0828

since p value >0.05 our significance level

we accept null hypothesis

There is no statistical evidence of a real drop in the contribution rate.

4 0

4 years ago

A cylindrical hole is bored through a steel block, and a cylindrical piston is machined to fit into the hole. The diameter of th

prisoha [69]

Answer:

The diameter of the hole is 20.04 ± 0.01 cm

The diameter of the piston is 19.92 ± 0.04 cm.

We are given that The clearance is one-half the difference between the diameters.

So, Clearance = $\frac{1}{2}(20.04-19.92)$

= $0.06$

Uncertainty in the estimate = $\frac{1}{2}(0.01+0.04)$

= $0.025$

So, Clearance with uncertainty is $0.06\pm 0.025$

Hence the clearance is 0.06 and the uncertainty in the estimate. is 0.025

3 0

4 years ago

Malik collects rare stamps and has a total of 212 stamps. He has 34 more domestic stamps than foreign stamps. Let x represent th

cluponka [151]

Answer:

foreign: 89
domestic: 123

Step-by-step explanation:

Add the two equations together:

(x -y) +(x +y) = (34) +(212)

2x = 246

x = 123

y = x-34 = 89

Malik has 89 foreign stamps and 123 domestic stamps.

4 0

4 years ago

3. Find the slope of the line<br> f(x)1/2x+8. Describe how the line slopes.

wariber [46]

Answer:

slope: $\frac{1}{2}$

Step-by-step explanation:

$f(x)=mx+b\\m=slope\\\\f(x)=\frac{1}{2} x+8\\\frac{(rise)}{(run)}=\frac{1}{2}$

the linear line has a positive slope that goes up by 1 unit and right by 2 units

7 0

3 years ago

Find the mode for the set of data. 70, 80, 50, 30, 40, 50, 90, 80, 50

m_a_m_a [10]

The mode is 50 because it occurs the most frequently (three times) out of any of the values.

5 0

3 years ago