1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
STALIN [3.7K]
2 years ago
10

What are the answers for question 1 and 2??

Mathematics
2 answers:
lukranit [14]2 years ago
7 0

Answer:

1) Answer: 3)  ~~x = -3 \pm \sqrt{7}

2) Answer: 3) 2 and -6

Step-by-step explanation:

xeze [42]2 years ago
6 0

Answer:

1) Answer: 3)  ~~x = -3 \pm \sqrt{7}

2) Answer: 3) 2 and -6

Step-by-step explanation:

1)

(x + 3)^2 = 7

x + 3 = \pm \sqrt{7}

x = -3 \pm \sqrt{7}

Answer: 3)~~x = -3 \pm \sqrt{7}

2)

2(x + 2)^2 - 4 = 28

2(x + 2)^2 = 32

(x + 2)^2 = 16

x + 2 = \pm \sqrt{16}

x + 2 = \pm 4

x + 2 = 4   or   x + 2 = -4

x = 2   or   x = -6

Answer: x = 2 or x = -6

You might be interested in
0+50x1-60-60x0+10<br> What's the answer
NISA [10]
Following PEDMAS it'd be
=0
0+(50x1)-60-(60x0)+10
0+50-60-0+10
50-60+10
-10+10=0
Hope this helps. :)

4 0
3 years ago
Read 2 more answers
Number 76 nunber 77 number 78and 79 please
vredina [299]

76) 10n^8

77) 35v^11

78) 2025/n^2

79) 4k^8

5 0
3 years ago
What is the mean of the following list of numbers?
Elina [12.6K]

Hi

The Mean is 11.5

Hope this helps

3 0
3 years ago
The circumference of a circle is 15π ft. What is the area, in square feet? Express your answer in terms of π.
DerKrebs [107]

Answer:

  • Area of the circle is 56.25π square feet.

Step-by-step explanation:

<u>Given that</u>:

  • The circumference of a circle is 15π ft.

<u>To Find</u>:

  • What is the area, in square feet?

<u>We know that</u>:

  • Circumference of a circle = 2πR
  • Area of a circle = πR²

Where,

  • Radius is denoted as R.

<u>Finding the radius of the circle</u>:

Circumference of a circle = 15π

⟶ 2πR = 15π

⟶ 2πR = 2π × 7.5

Cancelling 2π.

⟶ R = 7.5

∴ Radius of the circle = 7.5 ft.

<u>Finding the area of the circle</u>:

⟶ Area = πR²

⟶ Area = π(7.5)²

⟶ Area = π × 7.5 × 7.5

⟶ Area = π × 56.25

⟶ Area = 56.25π

∴ Area of the circle = 56.25π ft.²

7 0
3 years ago
I need help again if I don't get this right then I'll have to do the lesson all over again and i'm already 10 lessons behind!
zhuklara [117]

Answer:

1/27 in ^3  

Step-by-step explanation:

where length - 1/3 inches

width - 1/3 inches

height - 1/3 inches

the formula to find volume is as follows

volume =

numerators should be multiplied by numerators and denominators by denominators

volume =

volume of the cube is 1/27 in.³

7 0
3 years ago
Read 2 more answers
Other questions:
  • A surveyor wants to find the height of a hill. He determines that the angle of elevation to the top of the hill is 50°. He then
    9·2 answers
  • ok so im doing a math quiz and i need to turn it in before 2:40 can you tell me the answer |-3-x|-2=5
    7·1 answer
  • Two mechanics worked on a car. The first mechanic to work for 5 Hours in the second mechanic work for 15 Hours. Together they ch
    15·1 answer
  • What is (4,-7) reflected on the x-axis
    14·1 answer
  • Help?<br> ..........................................................
    12·1 answer
  • Solve for f<br> 2 + 1.25f = 10 - 2.75f
    11·2 answers
  • how many decimeters are in 5 kilometers. please show your work by using the power of 10 to show the work its due in 12 minutes P
    12·1 answer
  • I need extra help -(-24/8)2 squared
    6·1 answer
  • PLZ HELP ill give brainliest​
    11·1 answer
  • For the given functions f and g, find the requested function.
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!