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miss Akunina [59]

1 year ago

5

Which of the b-values satisfy the following inequality?5 < b - 3Choose all the answers that apply: A.) b = 8B.) b = 9C.) b =

10

1 answer:

dusya [7]1 year ago

4 0

[tex]\begin{gathered} \text{The inequality is,} \\ 5

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Find all complex solutions of 3x^2+4x+5=0 please guide!

dlinn [17]

Answer:

Step-by-step explanation:

3 0

3 years ago

A 51-foot wire running from the top of a tent pole to the ground makes an angle of 58° with the ground. If the length of the ten

AfilCa [17]

Answer:

<em>35.11 ft</em>

<em></em>

Step-by-step explanation:

This given situation can be thought of as triangle $\triangle PQR$ where PQ is the length of pole.

PR is the length of rope.

and QR is the distance of bottom of pole to the point of fastening of rope to the ground.

And $\angle Q \neq 90^\circ$

Given that:

PQ = 44 ft

PR = 51 ft

$\angle R = 58^\circ$

To find:

Side QR = ?

Solution:

We can apply Sine Rule here to find the unknown side.

Sine Rule:

$\dfrac{a}{sinA} = \dfrac{b}{sinB} = \dfrac{c}{sinC}$

Where

a is the side opposite to $\angle A$

b is the side opposite to $\angle B$

c is the side opposite to $\angle C$

$\dfrac{PR}{sinQ}=\dfrac{PQ}{sinR}\\\Rightarrow sin Q =\dfrac{PR}{PQ}\times sinR\\\Rightarrow sin Q =\dfrac{51}{44}\times sin58^\circ\\\Rightarrow \angle Q =79.41^\circ$

Now,

$\angle P +\angle Q +\angle R =180^\circ\\\Rightarrow \angle P +58^\circ+79.41^\circ=180^\circ\\\Rightarrow \angle P = 42.59^\circ$

Let us use the Sine rule again:

$\dfrac{QR}{sinP}=\dfrac{PQ}{sinR}\\\Rightarrow QR =\dfrac{sinP}{sinR}\times PQ\\\Rightarrow QR =\dfrac{sin42.59}{sin58}\times 44\\\Rightarrow QR = 35.11\ ft$

So, the answer is <em>35.11 ft</em>.

3 0

3 years ago

How to solve [3(4.12) - 2(3.4)]+9

pshichka [43]

1.61 is the correct answer

3 0

2 years ago

Which of the following are true? If false, explain briefly.a) A P-value of 0.01 means that the null hypothesis is false.b)

choli [55]

Answer:

a) false

b) true

c) false

d) false

Step-by-step explanation:

a) p-value is compared with test statistic to either accept or ereject the null hypothesis. There is no fixed p-value to reject the null hypothesis

b) p-value tells us the probabiltiy of finding null hypothesis to be true

c) There is no fixed p-value for nullyfying the the null hypothesis

d) There is no fixed p-value to reject the null hypothesis

6 0

3 years ago

Simplify the expression (6×2)-4.

netineya [11]

The answer is 8

First you do what's in parentheses and that's 6 times 2 which equals 12
The you subtract by 4 which is 8

8 0

3 years ago

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