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swat32
3 years ago
14

Solve the equation correct your answer to 2 decimal places, x squared - 4 x - 2 = 0​

Mathematics
1 answer:
Svet_ta [14]3 years ago
8 0

Answer:

  Step-by-step explanati on:

2x

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Ɪ ᴅᴏɴ'ᴛ ɢᴇᴛ ᴛʜɪs ᴄᴀɴ sᴏᴍᴇʙᴏᴅʏ ʜᴇʟᴘ ᴍᴇ ᴏɴ ᴛʜɪs ᴘʀᴏʙʟᴇᴍ ʀᴇᴀʟʟʏ ǫᴜɪᴄᴋ
Paraphin [41]
The answer would be reading

7 0
3 years ago
Read 2 more answers
A public library has an aquarium in the shape of a rectangular prism. The base is 6 feet by 2.5 feet. The height is 4 feet. How
goldenfox [79]
6 * 2.5 = 15 That’s the area of the base

2.5 * 4 = 10
10 * 2 = 20
That’s the area of the 2 smaller sides

6 * 4 = 24
24 * 2 = 48
That’s the area of the 2 larger sides

Then you add all the dimensions together.

15+20+48 = 83.

So, the final equation is (6*2.5) + 2(2.5*4) + 2(6*4) = 83
6 0
3 years ago
There will be 10 pounds of flour put evenly into 7 sacks. How many pounds of flour will be in each sack?
mel-nik [20]

Answer:

1.429 lbs per sack

Step-by-step explanation:

Given that 10 lbs of flour needs to be divided evenly into 7 sacks

amount of flour in each sack,

= 10 lbs ÷ 7 sacks

= 10/7 lbs per sack

= 1.429 lbs per sack

5 0
3 years ago
HELP PLZZ will give brainliest <3
melisa1 [442]

Answer:

0

1

Step-by-step explanation:

First question:

You are given a side, a, and its opposite angle, A. You are also given side b. Use that in the law of sines and solve for the other angle, B.

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

\dfrac{10}{\sin 30^\circ} = \dfrac{40}{\sin B}

\dfrac{1}{0.5} = \dfrac{4}{\sin B}

\sin B = 2

The sine function can never equal 2, so there is no triangle in this case.

Answer: no triangle

Second question:

You are given a side, b, and its opposite angle, B. You are also given side c. Use that in the law of sines and solve for the other angle, C.

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

\dfrac{10}{\sin 63^\circ} = \dfrac{}{\sin C}

\sin C = \dfrac{8.9\sin 63^\circ}{10}

C = \sin^{-1} \dfrac{8.9\sin 63^\circ}{10}

C \approx 52.5^\circ

One triangle exists for sure. Now we see if there is a second one.

Now we look at the supplement of angle C.

m<C = 52.5°

supplement of angle C: m<C' = 180° - 52.5° = 127.5°

We add the measures of angles B and the supplement of angle C:

m<B + m<C' = 63° + 127.5° = 190.5°

Since the sum of the measures of these two angles is already more than 180°, the supplement of angle C cannot be an angle of the triangle.

Answer: one triangle

3 0
3 years ago
What is the value of z in the figure shown? 45.6 1148​
kupik [55]

Answer:

45

Step-by-step explanation:

8 0
3 years ago
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