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Mamont248 [21]
3 years ago
7

Solve the equation. 5x = 2x^2 +1

Mathematics
2 answers:
Bogdan [553]3 years ago
6 0

Answer:

x= 5/4 + −1/4√17 or x = 5/4 + 1/4√17

Step-by-step explanation:

sesenic [268]3 years ago
4 0

Answer:

Move all terms to the left side and set equal to zero. Then set each factor equal to zero.

Exact Form:

x

=

5

+

√

17

4

,

5

−

√

17

4

 

Decimal Form:

x

=

2.28077640

…

,

0.21922359

…

Step-by-step explanation:

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In a right-angle, the lenght of two shorter sides are 9 and 7. what is the length of the hypotenuse
Law Incorporation [45]

Answer:

11.4

Step-by-step explanation:

You have to use the Pythagorean theorem: c = √(a² + b²)

√(7² + 9²) ≈ 11.4

5 0
2 years ago
FIRST TO ANSWER, would be marked as brainliest:)
boyakko [2]

Answer:

100 Cos 40° + 100 Sin 40° ≈ 141 yards

Step-by-step explanation:

From the diagram, side x is adjacent to the angle 40° while side y is the opposite to that same angle

This means that;

Cos 40° = x/100

x = 100 Cos 40°

Sin 40° = y/100

y = 100 Sin 40°

Therefore, total distance walked = x + y

                         "                             = 100 Cos 40° + 100 Sin 40° ≈ 141 yards

3 0
3 years ago
Read 2 more answers
What is the m<br> 52<br> 40<br> 45<br> 54
lidiya [134]

Answer:

○ \displaystyle 54°

Step-by-step explanation:

Use the Triangular Interior Angles Theorem to figure this out:

180° = [3x]° + [2x]° + [5x]°

\displaystyle \frac{180°}{10°} = \frac{[10x]°}{10°} \\ \\ 18 = x

Plug this back into the <em>m</em>∠<em>L</em><em> </em>to get 54°.

I am joyous to assist you anytime.

4 0
3 years ago
How much money must be deposited now in an
Liono4ka [1.6K]

Answer:

\$487.48

Step-by-step explanation:

we know that    

The compound interest formula is equal to  

A=P(1+\frac{r}{n})^{nt}  

where  

A is the Final Investment Value  

P is the Principal amount of money to be invested  

r is the rate of interest  in decimal

t is Number of Time Periods  

n is the number of times interest is compounded per year

in this problem we have  

t=10\ years\\ A=\$1,000\\ r=7.25\%=7.25/100=0.0725\\n=4  

substitute in the formula above

1,000=P(1+\frac{0.0725}{4})^{4*10}  

1,000=P(\frac{4.0725}{4})^{40}

P=1,000/(\frac{4.0725}{4})^{40}

P=\$487.48

5 0
4 years ago
What is the answer please
Daniel [21]

Answer:

the process by which green plants turn carbon dioxide and water into food using energy from sunlight

4 0
3 years ago
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