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
bija089 [108]
3 years ago
7

Help ASAP I’ll mark you as brainlister

Mathematics
1 answer:
Arturiano [62]3 years ago
6 0

Answer:

32

Step-by-step explanation:

do 4 x 3 = 12 then do 12 + 20 =32.

You might be interested in
ASAP PLEASE IM BEHINF AND NEED TO SUMBIT ALL WORK BY 12!!!!!!!!!
Yuri [45]

Answer:

see below

Step-by-step explanation:

x ≥11

Since there is an equals sign we have a closed circle at 11

X is greater so the line goes to the left

6 0
3 years ago
Read 2 more answers
I need help with this peoblem
zlopas [31]

Answer:

17/27

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
A chemist examines 12 sedimentary samples for bromide concentraction. The mean bromide concentration for the sample date is 0.43
Umnica [9.8K]

Answer:

a) z = 1.645

b) Lower endpoint: 0.422cc/m³

Upper endpoint: 0.452 cc/m³

Step-by-step explanation:

Population is approximately normal, so we can find the normal confidence interval.

We have that to find our \alpha level, that is the subtraction of 1 by the confidence interval divided by 2. So:

\alpha = \frac{1-0.9}{2} = 0.05

Now, we have to find z in the Ztable as such z has a pvalue of 1-\alpha.

So it is z with a pvalue of 1-0.05 = 0.95, so z = 1.645. This is the critical value, the answer for a).

Now, find M as such

M = z*\frac{\sigma}{\sqrt{n}}

In which \sigma is the standard deviation of the population and n is the size of the sample.

M = 1.645*\frac{0.0325}{\sqrt{12}} = 0.015

The lower end of the interval is the sample mean subtracted by M. So it is 0.437 - 0.015 = 0.422cc/m³.

The upper end of the interval is the sample mean added to M. So it is 0.437 + 0.015 = 0.452 cc/m³.

b)

Lower endpoint: 0.422cc/m³

Upper endpoint: 0.452 cc/m³

4 0
3 years ago
The formula for the volume of a prism is v=bh and the formula for the volume of a pyramid is v=1/3 bh. Explain b in formulas
inysia [295]
The variable b represents the area of the base of the prism or pyramid. Hope that helps!
4 0
3 years ago
NEED HELP!!!<br> WITH PROBLEM
pantera1 [17]

Answer:

x=32 hope it helps, if it does can i get 5.0 or brainliest

Step-by-step explanation:

7 0
2 years ago
Other questions:
  • How do i solve this?
    14·1 answer
  • The sum of seven and the product of two and a number x
    5·1 answer
  • Tanx-cotx=0 solve in radians
    6·1 answer
  • Which of the following variables for data about a track team is a discrete variable?a) The height of a team memberb) The weight
    12·1 answer
  • What is the slope of this table
    11·2 answers
  • What is the value of x?
    10·1 answer
  • If f (x) = -3x+4 and g(x) =2,solve for the value of x for which f (x) =g(x) is true. <br> X=
    12·1 answer
  • Please help me i will give u the crown
    7·1 answer
  • If you spin a quarter in space what type of 3D figure would you
    11·1 answer
  • Can someone please help me?? :( I will give brainliest!!
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!