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
slamgirl [31]
3 years ago
15

I need help on solving these problems.

Mathematics
1 answer:
ira [324]3 years ago
5 0

Answer:

the fist one is A and the second one is D

Step-by-step explanation:

You might be interested in
When Henry surveyed 45 seventh-grade students at random in the school cafeteria, he found that 3 out of 15 liked reggae music. U
xxMikexx [17]
3                       x
---------= --------- ---------
15                 180

15x=540
-----   ------= 36 students. 
15       15

Steps: Cross multiply to get 15x and 540. Divide both numbers by 15, then you found what x equals, which is the answer. 
4 0
3 years ago
What is the answer to 3x + 16 = 14
ipn [44]
The answer is -2/3 ....
8 0
3 years ago
Read 2 more answers
What is the equation line that passes through the point (-6,-5) and has a slope of -1\2
tensa zangetsu [6.8K]
If the y intercept isn't -5 go to ur coordinate that is given and find where the y intercept is and plug in the y intercept to y=mx+b
6 0
3 years ago
What is the axis of symmetry for f(x) = 2x2 + 4x + 2? (1 point)
yKpoI14uk [10]
For f(x)=ax^2+bx+c
the axis of symmetry is -b/2a

f(x)=2x^2+4x+2
a=2
b=4
-4/(2*2)=-4/4=-1

the axis of symmetry is x=-1

B
7 0
3 years ago
WILL GIVE BRAINLIEST! Match the equations that are the same
wolverine [178]

Answer:

1. 1/x = 8

Answer = 8x-1

2. 8x+1=3

Answer ; x=1/4

3. 7= 14/X

Answer ; x = 2

4.1/2x^2 = 2

Answer ;x=2

Step-by-step explanation:

\frac{1}{x} =8 \\8x = 1\\\\\\8x+1=3\\Collect -like- terms \\8x =3-1\\8x = 2\\Divide -both -sides- by ;8\\\frac{8x}{8} =\frac{2}{8} \\x = 1/4\\\\\\7= \frac{14}{x} \\Cross -multiply\\7x =14\\Divide-both-sides-by-7\\x = 2\\\\\\\frac{1}{2} x^{2} =2\\\frac{x^{2} }{2} =2\\Cross-multiply\\x^{2} =4\\Squre-root -both-sides\\\sqrt{x^2}=\sqrt{4}  \\x = 2\\

6 0
3 years ago
Read 2 more answers
Other questions:
  • 59, 51, 55, 46, 50, 40, 44, ____, ____
    6·1 answer
  • A supermarket charges $4.50 for 8 cans of cat food. At the same rate, how much would the supermarket charge for 28 cans of cat f
    14·2 answers
  • Which pair of lines is parallel?
    15·1 answer
  • Find the value of z. A. 141 B. 110 C. 80 D. 100
    15·1 answer
  • Slope of (-5,3)(2,1)​
    12·2 answers
  • What is the areas of a square with sides of length 8?
    9·1 answer
  • triangle ABC is being dilated with center of dialation at the origin. The image of c, point C', has coordinates of (7.2, 3.6). W
    6·2 answers
  • A car weighs 2332 pounds. If 372 pounds of old parts are removed and replaced with 412 pounds of new parts, find new weights of
    12·1 answer
  • Can we predict how fast a tennis player can hit a serve from the playerâs height? The following computer output and scatterplot
    14·1 answer
  • What is the slope of the line?​
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!