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3 years ago

8

Name all lines parallel to plane BDGC

1 answer:

Fofino [41]3 years ago

5 0

Step-by-step explanation:

EDHA I DONT LTHINK SOANSWER IT PROBLEM EASY

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How do I solve: x^2+3=84.

balandron [24]

Answer:

x=9, x=-9

Step-by-step explanation:

subtract 3 from both sides

x^2=81

then squareroot both sides (remember that there is a positive and negative solution!)

x=9, x=-9

7 0

2 years ago

Read 2 more answers

This circle is centered at the origin, and the length of its radius is 8. What is

Kitty [74]

$\quad \huge \quad \quad \boxed{ \tt \:Answer }$

$\qquad \tt \rightarrow \: x² + y² = 64$

____________________________________

$\large \tt Solution \: :$

Standard equation of circle is :

$\qquad \tt \rightarrow \: (x - h) {}^{2} + (y - k) {}^{2} = {r}^{2}$

$\textsf{h = x - coordinate of centre of circle}$

$\textsf{k = y - coordinate of centre of circle}$

$\textsf{r = radius= 8}$

Since the circle is centered at origin, h = k = 0

$\qquad \tt \rightarrow \: (x - 0) {}^{2} + (y - 0) {}^{2} = {8}^{2}$

$\qquad \tt \rightarrow \: {x}^{2} + {y}^{2} = 64$

Answered by : ❝ AǫᴜᴀWɪᴢ ❞

4 0

2 years ago

You are planning to save for retirement over the next 35 years. to do this, you will invest $870 a month in a stock account and

DaniilM [7]

Go to mathpapa thats what i use

6 0

4 years ago

EASY 6TH GRADER MATH

Rudik [331]

Answer:

27

Step-by-step explanation:

She is wrong the answer is 27, all you have to do is multiply the number by the percentage as a decimal (.45)

8 0

3 years ago

Managers at an automobile manufacturing plant would like to estimate the mean completion time of an assembly line operation, . T

Vinil7 [7]

Answer:

The appropriate answer is "144".

Step-by-step explanation:

Given:

Population standard deviation,

$\sigma=10.4$

Margin of error,

$E=1.7$

$CL=95$ %

$CL=1-\alpha$

Or,

$\alpha=1-CL$

$=1-0.95$

$=0.05$

Now,

Critical value,

= $Z_{\frac{\alpha}{2} }$

= $Z_{\frac{0.05}{2} }$

= $1.96$

The minimum sample size will be:

⇒ $n=\frac{Z^2_{\frac{\alpha}{2} }(\sigma)^2}{E^2}$

By putting the values, we get

$=\frac{(1.96)^2(10.4)^2}{(1.7)^2}$

$=\frac{415.5074}{2.89}$

$=143.774$

or,

$=144$

3 0

3 years ago