All categories

3 years ago

Solve for x. Enter the solutions from least to greatest. Round to two decimal places. (x + 8)^2 - 7 = 0

Mathematics

2 answers:

leva [86]3 years ago

8 0

Answer:

Step-by-step explanation:

(x+8)^2=7

(x+8) = $\pm \sqrt7$

x = $\sqrt7$ -8 and -8- $\sqrt7$

which is about -10.65 and -5.35

Karolina [17]3 years ago

7 0

Answer:

= − 5.35424868 , − 10.64575131

Step-by-step explanation:

You might be interested in

What is 57/6 simplified?

ludmilkaskok [199]

Answer:
19/2
Step-by-step explanation :
U divide the numerator and the denominator by the same number which is 3
57 divided by 3 = 19
6 divid by 3 = 2
So the answer is 19/2

3 0

3 years ago

Read 2 more answers

Help me plz!!!!!!!!!!!!

a_sh-v [17]

The denominator is 4 and the numerioar to make factor 1/2 would be 4/8 then 1/2

8 0

3 years ago

Read 2 more answers

Hi can someone help me with this

Ad libitum [116K]

Answer:

25 units

Step-by-step explanation:

Applying Pythagoras' Theorem,

(BD)^2= (CD)^2 + (BC)^2

(BC)^2= 65^2 - 60^2

(BC)^2= 625

BC= √625= 25

5 0

3 years ago

1.64*10^0/2.0*10^2 in scientific notation

jarptica [38.1K]

1.64*10^0/2.0*10^2 in scientific notation

 $1.64 * 10^0 : 2.0 * 10^2= (1.64:2.0) * 10^0:10^2= 0.82 * 10 ^{0-2} = \\ \\ 0.82 * 10 ^{-2} =0.82 * \frac{1}{10^2} =0.82 * \frac{1}{100} =0.0082= \boxed{ 8.2 * 10^{-3} }$

5 0

4 years ago

Calculate the area of a square with sides of 5 inches.

Luda [366]

Answer:

A = 25 in²

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Geometry

Area of a Square: A = x²

Step-by-step explanation:

Step 1: Define

Side length = 5 in

Step 2: Solve for A

Substitute: A = (5 in)²
Evaluate: A = 25 in²

And we have our final answer!

6 0

3 years ago

Read 2 more answers