11 months ago

_ x 2 + 1 = 25 Pls help I need the answer

Mathematics

1 answer:

WITCHER [35]11 months ago

5 0

Answer:

x = ± 2 $\sqrt{6}$

Step-by-step explanation:

x² + 1 = 25 ( subtract 1 from both sides )

x² = 24 ( take square root of both sides )

x = ± $\sqrt{24}$ = ± $\sqrt{4(6)}$ = $\sqrt{4}$ × $\sqrt{6}$ = ± 2 $\sqrt{6}$

x = - 2 $\sqrt{6}$ , x = 2 $\sqrt{6}$

You might be interested in

What is csc (2π/3)? Explain.

masha68 [24]

we are given the expression csc (2 pi / 3 ) and is asked to evaluate the expression. According to the trigonometric identities, the inverse of cosecant (CSC) is sine (sin) function. hence using the calculator in radians mode, sin 2pi/3 is equal to 2/sqrt 3. Taking the reciprocal of the answer, the final answer is 2 sqrt3 over 3.

8 0

2 years ago

In a candy bar, 165 calories are from sugar. There are 250 calories in the candy bar. What percent of the calories are from suga

stiv31 [10]

165/200=33/40
33/40=0.825
0.825=82.50%
Hope this helps

5 0

2 years ago

Read 2 more answers

Minimum and maximum value of 2n^2+5n-25=0

Alborosie

Equations don't have minimum or maximum, functions do.

Function y=2n^2+5n-25 has minimum -28.125, has no maximum.

8 0