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
Lynna [10]
3 years ago
9

What the answer to this

Mathematics
1 answer:
neonofarm [45]3 years ago
6 0

Answer:

D

Step-by-step explanation:

(I solved in the picture, firstly look at there)

after completing the square and factoring :

{x}^{2}  + 4x + 4 = 8 + 4

{x}^{2}  + 4x + 4 = 12

{(x  - 2)}^{2} = 12

Hope this helps ^-^

You might be interested in
Anybody please help me over here
padilas [110]

Answer:

i agree

Step-by-step explanation:

because when you multply 3.141592654 times 5 you get 15.70796327.

8 0
3 years ago
Read 2 more answers
Recent studies indicate that the average surface temperature of the
andreev551 [17]

Answer:

Slope : The rate of increase of temperature on the earth's surface is 0.02°C per year since 1900.

T-intercept : 8.5 represents the temperature in °C of the earth's surface in the year 1900.

Step-by-step explanation:

The average surface temperature of Earth rising steadily. Scientists have modeled the temperature by the equation, T = 0.02t + 8.50 where t represents years since 1900 and T is the temperature in ◦C.

Now, the slope of the model equation is 0.02 which means the rate of increase of temperature on the earth's surface is 0.02°C per year since 1900.

Again, the T-intercept i.e. 8.5 represents the temperature in °C of the earth's surface in the year 1900. (Answer)

7 0
3 years ago
A bookstore manager marks down the price of older hardcover books, which originally sell for b dollars, by 52%.
mafiozo [28]

Complete question :

A bookstore manager marks down the price of older hardcover books, which originally sell for b dollars, by 52%.

a. Write the markdown as a decimal. b. Write an expression for the sale price of the hardcover book.

Answer:

0.52 ; 0.52b

Step-by-step explanation:

The markdown percentage = 52%

Expresaing markdown as a decimal :

52% = 52 / 100 = 0.52

Expression for the sale price of hardcover book:

Original price = b

Price was marked down by 0.52

Hence, sales price becomes ;

Original price * markdown

b * 0.52

0.52b

3 0
3 years ago
Write the expression as a product.<br> 25-(a + 7)^2
Nastasia [14]

25 -  ({a + 7})^{2}  =

(5 + (a + 7))(5 - (a + 7)) =

(a + 12)( - a - 2)

Have a great day ♡

6 0
2 years ago
Read 2 more answers
After conducting a survey of all her classmates, Midge discovers that the amount of money everyone spends buying books each mont
andreyandreev [35.5K]

The mean is the average of the numbers: a calculated "central" value of a set of numbers.

Therefore: If the amount spent on books per month by all her classmates is leveled that amount would be $30

To calculate it: add up all the numbers, then divide by how many numbers there are

3 0
3 years ago
Other questions:
  • Change the subject of a formula to S
    6·1 answer
  • Find the measure of FEG
    8·2 answers
  • You buy the same number of brushes,rollers,and paint cans. Write an expression in simplest form that represents the total amount
    10·1 answer
  • Rewrite the following equation in the center-radius form of the equation of a circle.
    7·1 answer
  • When the hour hand moves from 3 pm to 6 pm, through how many degrees does it move?
    10·1 answer
  • I need help on these questions ( will give brianliest if im able to )
    7·1 answer
  • on monday two hundred thirty-four students went on a trip to the zoo. All five buses were filled and four students had to travel
    8·1 answer
  • What is the volume, in cubic centimeters, of a cube with an edge length of 15 centimeters?
    5·1 answer
  • Can someone help me solve pleaseeeee? Asap
    7·2 answers
  • HURRY PLEASE
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!