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azamat
3 years ago
5

1. Is the equation 2X + 3 = 2 (X + 3)

Mathematics
1 answer:
Travka [436]3 years ago
8 0

1. never true

2. I don't know #######

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In ΔOPQ, the measure of ∠Q=90°, the measure of ∠O=26°, and QO = 4.9 feet. Find the length of PQ to the nearest tenth of a foot.
Step2247 [10]

Given:

In ΔOPQ, m∠Q=90°, m∠O=26°, and QO = 4.9 feet.

To find:

The measure of side PQ.

Solution:

In ΔOPQ,

m\angle O+m\angle P+m\angle Q=180^\circ        [Angle sum property]

26^\circ+m\angle P+90^\circ=180^\circ

m\angle P+116^\circ=180^\circ

m\angle P=180^\circ -116^\circ

m\angle P=64^\circ

According to Law of Sines, we get

\dfrac{a}{\sin A}=\dfrac{b}{\sin B}=\dfrac{c}{\sin C}

Using the Law of Sines, we get

\dfrac{p}{\sin P}=\dfrac{o}{\sin O}

\dfrac{QO}{\sin P}=\dfrac{PQ}{\sin O}

Substituting the given values, we get

\dfrac{4.9}{\sin (64^\circ)}=\dfrac{PQ}{\sin (26^\circ)}

\dfrac{4.9}{0.89879}=\dfrac{PQ}{0.43837}

\dfrac{4.9}{0.89879}\times 0.43837=PQ

2.38989=PQ

Approximate the value to the nearest tenth of a foot.

PQ\approx 2.4

Therefore, the length of PQ is 2.4 ft.

4 0
3 years ago
Please help ASAP! Will give BRAINLIEST! Please read the question THEN answer correctly! No guessing.
elena-s [515]

Answer:

A. p + q = b

D. p · q = c

Step-by-step explanation:

<em><u>It's best to look at an example, such as this:</u></em>

<em><u /></em>x^2 - 12x+ 35

<em><u>And it's factored form is:</u></em>

(x - 5) (x - 7)

<u>As you can see, if you add -5 (p) and -7 (q), you get -12 (b). Then, if you multiply -5 (p) and -7 (q), you get 35 (c).</u>

8 0
3 years ago
Please do 5 and 6!!!!
makkiz [27]
5
y=6x-3

6
y=x+2


Mark brainliest please



Hope this helps you out
3 0
2 years ago
Read 2 more answers
Why was Andrew Jackson important during the War of 1812? Please help
Anuta_ua [19.1K]

Answer:

led his troops through enemy territory to victory in serval battles

8 0
2 years ago
Which expression is a possible leading term for the polynomial function graphed below?
mylen [45]

Answer: Option A. -4x^8


Step-by-step explanation:

The polynomial function given in the graph has 4 real roots. And because the graph falls to the left and right, it will have even order and negative leading coefficient.

So we have only one option that matches the required conditions, and i.e. option A.


4 0
2 years ago
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