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never [62]
3 years ago
10

PLS FAST In a right triangle, angle A and angle B are acute, find the value of sinB given tanB=4/3.

Mathematics
1 answer:
Y_Kistochka [10]3 years ago
5 0

Answer:

sinB= 4/5

Step-by-step explanation:

tan= opposite/ adjacent

3^2+4^2= hypotenuse^2 so hypotenuse=5

sin= opposite/ hypotenuse

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An internet service provider is implementing a new program based on the number of connected devices in each household. Currently
oee [108]
Cost of the current plan: $175
Number of devices: x
Cost of the new plan: $94+($4.50/device)x

Cost of the new plan is less than the current plan:
$94+($4.50/device)x<$175

Solving for x:
$94+($4.50/device)x-$94<$175-$94
($4.50/device)x<$81
(device/$4.50)($4.50/device)x<(device/$4.50)($81)
x<18 devices

Please, see the attached file.
Thanks.

8 0
3 years ago
Read 2 more answers
Philip Morris wishes to determine if there is a difference between the proportion of women and proportion of men who smoke cigar
uranmaximum [27]

Answer:

Step-by-step explanation:

This is a test of 2 population proportions. Let 1 and 2 be the subscript for the women and men who smoke respectively. The population proportion of women and men who smoke would be p1 and p2 respectively.

p1 - p2 = difference in the proportion of women and men who smoke.

The null hypothesis is

H0 : p1 = p2

p1 - p2 = 0

The alternative hypothesis is

Ha : p1 > p2

p1 - p2 > 0

it is a right tailed test

Sample proportion = x/n

Where

x represents number of success(number of complaints)

n represents number of samples

For women

x1 = 14

n1 = 110

p1 = 14/110 = 0.13

For men,

x2 = 7

n2 = 95

p2 = 7/95 = 0.07

The pooled proportion, pc is

pc = (x1 + x2)/(n1 + n2)

pc = (14 + 7)/(110 + 95) = 0.1

1 - pc = 1 - 0.1 = 0.9

z = (p1 - p2)/√pc(1 - pc)(1/n1 + 1/n2)

z = (0.13 - 0.07)/√(0.1)(0.9)(1/110 + 1/95)

z = 1.47

From the options given, the test statistic is

e. none of these is correct.

Since it is a right tailed test, we will look at the area to the right of z = 1.47. The p value would be

p value = 1 - 0.9292 = 0.078

Since alpha, 0.005 < than the p value, 0.078, then we would fail to reject the null hypothesis. Therefore, the data does not indicate that the proportion of women who smoke cigarettes is higher than the proportion of men who do at α=.005

8 0
3 years ago
Find the distance between Point A (-7,3) and point B (-4,3) , correct to 2 decimal places. Use distance formula
emmasim [6.3K]

I hope this is the right answer.

3 0
3 years ago
PLS ANSWER QUESTION. PLS ASAP. AND YOU WILL SAVE ME.
Maksim231197 [3]

Answer:

less than, more than, more than, more than (in order)

Step-by-step explanation:

It depends on the number you're multiplying to 6 3/4.

For example, for the first one, the equation is 6 3/4 x 1/2.

Since 1/2 is less than 1, the answer will be less than 6 3/4.

6 0
2 years ago
1. If a rectangular prism with a length of 12 feet and a width of 9 feet has a volume of 1836
stiks02 [169]

Answer:

17 ft

Step-by-step explanation:

1836 = 9 * 12 * h

1836/9*12 = 17

8 0
4 years ago
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