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3 years ago

8

Please Help! One Question!

1 answer:

TiliK225 [7]3 years ago

5 0

Here we don't know the length of the hypo, but do have measures of both legs of this right triangle: x and 40 yd.

Use the tangent function to determine the value of x:

x
--------- = tan 62 degrees. Solving for x: x = (40 yd)(tan 62 deg).
40 yd can you evaluate this yourself?

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As a salesperson, you are paid $150 per week plus $5 per sale that you make. This week

tatuchka [14]

Answer:

15 Sales

Step-by-step explanation:

225 - 150 = 75

75 / 5 = 15

6 0

3 years ago

in a random sample of 77 residents of the state of texas, the mean waste recycled per person per day was 1.01.0 pounds with a st

VikaD [51]

Answer:

(0.63789 ; 1.38211 )

Given that:

Mean, xbar = 1.01

Standard deviation, s = 0.29

Sample size, n = 7

Confidence interval : xbar ± margin of error

Margin of Error = Tcritical * s/sqrt(n)

Degree of freedom (df) = n - 1 = 7 - 1 = 6

Hence Tcritical = 3.143

Margin of Error = 3.143 * 0.29/sqrt(6)

Margin of error = 0.37211

Lower boundary = (1.01 - 0.37211) = 0.63789

Upper boundary = (1.01 + 0.37211) = 1.38211

(0.63789 ; 1.38211 )

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4 0

2 years ago

Need help asap ! thanks

Softa [21]

3.33 is the right answer

5 0

3 years ago

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Find the point at which the line with parametric equations x = 2 3t, y =-4t, z =5 t intersects the plane 4x 5y -2z=18

sashaice [31]

It looks like you have

$\begin{cases}x=2+3t\\y=-4t\\z=5+t\end{cases}$

Substituting these in to the plane equation, we have

$4x+5y-2z = 4(2+3t) + 5(-4t) - 2(5+t) = -2-10t = 18 \\\\ \implies-10t = 20 \implies t = -2$

When $t=-2$ , we get the point

$\begin{cases}x=2+3(-2)\\y=-4(-2)\\z=5+(-2)\end{cases} \implies (x,y,z) = \boxed{(-4,8,3)}$

4 0

2 years ago

HELP ME PLZZ, I AINT GOT A BRAIN

SIZIF [17.4K]

I'm pretty sure the answer is c but idk

5 0

3 years ago

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