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
neonofarm [45]
3 years ago
12

You are taking a test in math. There are 20 questions and 30 minutes.

Mathematics
1 answer:
dusya [7]3 years ago
6 0

Answer:

8, 10, 3.3333

Step-by-step explanation:

look at the picture for an explanation,

use the same method for all 3

You might be interested in
Which graph represents the solution set to this system of equations? y = –1 2 x + 3 and y = 1 2 x - 1 On a coordinate plane, a l
vivado [14]

Answer:

On a coordinate plane, a line goes through (0, 3) and (2, 2) and another line goes through (0, negative 1) and (2, 0).

Step-by-step explanation:

Given that the system of equations are:

y = –1 /2 x + 3 and y = 1 /2 x - 1

Let us first try the first option

On a coordinate plane, a line goes through (- 4, 1) and (0, 3) and another line goes through (-2, - 2) and (0,- 1)

The slope M1 = (3-1)/(0--4) = 2/4 = 1/2

The calculated slope is positive. But the slope of the first equation is negative. So we ignore the first option.

The next option that makes sense is the last option. That is

On a coordinate plane, a line goes through (0, 3) and (2, 2) and another line goes through (0, -1) and (2, 0). So let also try it by calculating the two slopes

M1 = (2-3)/(2-0) = -1/2 ( perfect)

M2 = (0- -1)/(2-0) = 1/2 (perfect)

Because, from the two equations

y = –1 /2 x + 3 and y = 1 /2 x - 1

The slope of the first is negative and the slope of the second is positive. Also, they have a corresponding intercept which are positive 3 and negative 1

4 0
4 years ago
Read 2 more answers
Will give brainliest !!!!
klio [65]

Finding the inverse function of f(x) = 5\sqrt{x + 3} - 2, it is best described by graph B.

<h3>How to find the inverse of a function?</h3>

Supposing we have a function y = f(x), to find the inverse, we exchange x and y, and isolate y.

In this problem, the function is:

f(x) = 5\sqrt{x + 3} - 2

y = 5\sqrt{x + 3} - 2

Exchanging x and y:

x = 5\sqrt{y + 3} - 2

Working through the function to isolate y:

5\sqrt{y + 3} = x + 2

\sqrt{y + 3} = \frac{x + 2}{5}

(\sqrt{y + 3})^2 = \left(\frac{x + 2}{5}\right)^2

y + 3 = \frac{(x + 2)^2}{25}

y = \frac{(x + 2)^2}{25} - 3

f^{-1}(x) = \frac{(x + 2)^2}{25} - 3

Which is best represented by graph B.

More can be learned about inverse functions at brainly.com/question/27830327

#SPJ1

4 0
2 years ago
Write the number "five hundredths, six thousandths, forty-two millionths" as a decimal.
ratelena [41]

Answer:

0.0560042

Step-by-step explanation:

3 0
3 years ago
I need to double check a answer. For measure 1 and 3 I got 117, is that right? But for measure 2 I got 63 which is wrong but I h
cupoosta [38]

Answer:

All are 63

Step-by-step explanation:

m∠1 = 180 - 117 = 63 (linear pair)

m∠2 = 63 (alternate interior angle with ∠1)

m∠3 = m∠1 = 63 (isosceles triangle property)

Hope it helps :)

Please mark my answer as the brainliest

3 0
3 years ago
69+ m - m; use m=8, and q=3
HACTEHA [7]
69+8-8

the answer is 69
8 0
4 years ago
Other questions:
  • You or your parents are paid 13.75/hr and your deductions are FICA (7.65%), federal tax withholding (10%), and state tax withhol
    6·2 answers
  • What is equivalent to the square root of 80
    11·2 answers
  • If the original quantity is 10 and the new quantity is 13,what is the percent increase
    8·2 answers
  • HELP PLEASE! I'll give you the most stars for explaining and giving the answer
    14·1 answer
  • Divide (x^3 - 4x^2 - 2x -5) by (x-5)
    15·1 answer
  • What value of x makes this equation true?
    12·1 answer
  • Can someone help me with this?
    7·1 answer
  • НИК
    6·1 answer
  • CAN SOMEONE HELP ME PLEASE ASAP!?
    9·2 answers
  • Please huryyyyyyyyy please helpppppp
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!