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
Arlecino [84]
3 years ago
12

X² + ___ x + 49 plz answer as soon as possible

Mathematics
2 answers:
kykrilka [37]3 years ago
8 0
  • Answer:

<em>14</em>

  • Step-by-step explanation:

<em>(a + b)² = a² + 2ab + b²</em>

<em>x² + _x + 49</em>

<em>a = x</em>

<em>b = 7</em>

<em>2ab = 2×x×7 = 14x => 2b = 14</em>

skelet666 [1.2K]3 years ago
4 0

Answer:

\Huge \boxed{\mathrm{14}}

\rule[225]{225}{2}

Step-by-step explanation:

Square of a sum formula:

(a + b)^2  = a^2 + 2ab + b^2

x² + ___ x + 49

The value of a is x.

The value of b is 7, since 7² = 49.

x^2 +2(x)(7)+7^2

x^2 +14x+49

The missing coefficient is 14.

\rule[225]{225}{2}

You might be interested in
What is the reason for statement 2 of the two-column proof?<br> Given: Prove: m Helpppppp!!!!!!
Strike441 [17]

Answer:

We have been given that PQ bisects . In the second statement of the given two-column proof, the statement is .

This implies that the two angles formed by bisection of angle  by the line PQ are equal. We know that the reason for this is simple. It is the definition of bisection of an angle that the two smaller angles formed will be equal to each other.

Therefore, the reason for statement 2 of the given two column proof is c) Definition of bisect

Step-by-step explanation:

7 0
3 years ago
How to construct 165 degress angle with compass and scale and show picture
bulgar [2K]
To start with, draw a line say AB.
At point B, construct 60 degrees.
Bisect the angle to get 30 degrees.
Bisect the 30 degrees to get 15 degrees.
The angle opposite the 15 degrees is 165 degrees
8 0
3 years ago
Whats 2 &amp; 1/2 divided by 3 &amp; 1/3
aev [14]

Answer:

B = 3/4

Step-by-step explanation:

2 1/2 / 3 1/3

can be written as 5/2 divided by 10/3. I always use keep, switch, flip technique with fractions. keep 5/2 switch the division to multiplication, flip the 10/3 to 3/10

5/2 x 3/10 cross multiply

15/20 = 3/4

8 0
2 years ago
Read 2 more answers
The length of a rectangle is 12in: and the perimeter is 56 in. Find the width of the rectangle.
maks197457 [2]

Answer:

Step-by-step explanation:

2l+2w=56

2 l+2(12)=56

2l=56-24

2l=32

l=16

width=16 in.

6 0
3 years ago
Let q(x)=8x-7 what is q(4) a. 25 b. 36 c. 39 d. 32
Viktor [21]
I hope this helps you



x=4


q (4)=8.4-7



q (4)=32-7


q (4)=25
8 0
2 years ago
Other questions:
  • Using the answers from z^4=16 determine the solutions of the equation (x+1)^4=16(x-1)^4​
    6·1 answer
  • What is the interquartile range of the data? 120, 140, 150, 195, 203, 226, 245, 280 235.5
    14·1 answer
  • Ms. Adams received a bonus check for $12,000. She decided to divide the money among three different investments. With some of th
    5·2 answers
  • ~~Math Question~~<br><br> Please help me, loves. :)<br><br> Thanks, ya'll.
    9·2 answers
  • What is the area of the triangle below?
    5·2 answers
  •  
    6·2 answers
  • In yoga class, all of the students are lined up according to height. Andy notices that the number of students who are taller tha
    10·1 answer
  • Evaluate g(10) if g(x)=12x−4.
    8·1 answer
  • Select the lesser of the two given numbers.<br> 16, 1-19
    7·1 answer
  • Can someone help me im looking for the the x
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!