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
luda_lava [24]
3 years ago
7

What is the value of 9x^2 + 13x – 15, if x = 2

Mathematics
2 answers:
Harman [31]3 years ago
8 0

Answer:

9(2)×2+13(2)-15

18×2+26-15

36+11

47 is your answer ☺️☺️☺️

Paladinen [302]3 years ago
3 0

Step-by-step explanation:

Given,

9 {x}^{2}  + 13x - 15

and

x = 2

Substitute x = 2 into expression.

9 {x}^{2}  + 13x - 15 = 9( {2}^{2} ) + 13(2) - 15 \\  = 9(4) + 26 - 15 \\  = 36 + 26 - 15 \\  = 62 - 15 \\  = 47

You might be interested in
A line that includes the point (0,0) has a slope of -9. What is its equation in slope-intercept
ikadub [295]
Y=-9x because y=mx+b is the formula so plug in the slope, m(-9) and the x-intercept, x(0)
3 0
3 years ago
A school administrator is interested in estimating the proportion of students in the district who participate in community servi
jarptica [38.1K]

Answer: option 1

Step-by-step explanation: By constructing a 99% confidence interval for population proportion, it implies that the principal is 99% sure that the confidence interval will contain the population proportion.

When we construct confidence interval, we do so to show that the population parameter that we are looking for is present in the interval at a specified confidence level.

4 0
4 years ago
Help!! pls i mark brainly answer
malfutka [58]

Answer:

On the left... True

On the right... False

Step-by-step explanation:

7 0
3 years ago
The basketball court is 94 feet long how many inches is the length of the court
Lana71 [14]

Answer:

1,128

Step-by-step explanation:

94 x 12 = 1,128

what hy7h7yh

8 0
3 years ago
Read 2 more answers
What’s the slope?................
Orlov [11]
M = y2-y1/x2-x1
m = 7- (-2)/ -6-(-7)
m = 9/1

slope = 9
7 0
3 years ago
Other questions:
  • Is it possible for the incenter of a triangle to be outside the triangle?
    15·1 answer
  • Find the percent increase from 48 to 60
    13·1 answer
  • On a​ test, if 110 questions are answered and 38% of them are​ correct, what is the number of correct​ answers?
    7·1 answer
  • 3. There are 45 males and 60 females in a subway car. What is the ratio of males to females? Write your answer as a fraction in
    7·2 answers
  • 4. BASEBALL CARDS Ren and Chet nave
    5·1 answer
  • Question 5
    5·1 answer
  • Which expression is equivalent to 13 - -21
    12·1 answer
  • The graph for the equation y = 2 x minus 2 is shown below. On a coordinate plane, a line goes through points (0, negative 2) and
    13·2 answers
  • Help a girly out and you’ll get a
    15·2 answers
  • 1. find the measure of each angle
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!