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
Sav [38]
3 years ago
5

What is the answer to this question? Please give a step by step explanation.

Mathematics
1 answer:
mario62 [17]3 years ago
6 0

Answer:

25

Step-by-step explanation:

8b^2 +2a(4c-b)

Let a = 1/4 b=2 c= -3

8 ( 2)^2 +2(1/4) ( 4*-3 -2)

Parentheses first

8 ( 2)^2 +2(1/4) ( -12 -2)

8 ( 2)^2 +2(1/4) ( -14)

Then exponents

8 ( 4) +2(1/4) ( -14)

Then multiply

32 -7

Subtract

25

You might be interested in
mary has $500 in her savings account and she buy a pair of shoes every week for $125 write a function
zepelin [54]
500-125x
can't keep that habit up
5 0
2 years ago
A botanist wishes to estimate the typical number of seeds for a certain fruit. She samples 41 specimens and counts the number of
e-lub [12.9K]

Answer:

(53.3; 56.1)

Step-by-step explanation:

Given that:

Sample size, n = 41

Mean, xbar = 54.7

Standard deviation, s = 5.3

Confidence level, Zcritical at 90% = 1.645

Confidence interval :

Xbar ± Margin of error

Margin of Error = Zcritical * s/sqrt(n)

Margin of Error = 1.645 * 5.3/sqrt(41)

Margin of Error = 1.362

Lower boundary = 54.7 - 1.362 = 53.338

Upper boundary = 54.7 + 1.362 = 56.062

(53.3 ; 56.1)

6 0
3 years ago
Please help need asap
larisa86 [58]
Answer to the nearest tenth is 20.8
4 0
2 years ago
How would write 42 as an operation???
ArbitrLikvidat [17]
I don't really get your question. But, I will try my best to answer it. 42 is a whole number and you could use the number for any operation.

I hope this helps:)
7 0
3 years ago
Read 2 more answers
Find the variance and standard deviation of the data. Round your answers to the
LenaWriter [7]
83, 85, 89, 92, 95 it should be this
6 0
2 years ago
Other questions:
  • karen has two dogs the larger one weighs 1.4 pounds more then the smaller dog. The combined weight of the two dogs is 12.6 pound
    12·1 answer
  • what is the answer to Lakshmi planted 20 begonias, but her neighbor’s dog ate 7 of them. What percent of the begonias did the do
    10·2 answers
  • Check each relation below that is a direct variation.
    12·1 answer
  • The Gaineys and the Arnolds are saving money for a trip to Utah to go snowboarding. The Arnolds are going to save a nickel on th
    11·1 answer
  • A punch recipe that serves 24 people calls for:
    11·2 answers
  • What is the value of x?<br><br><br><br> Enter your answer in the box.<br><br> x =
    10·2 answers
  • Fred and wilma buy a home. they plan to make a down payment and carry a $90,000 mortgage. closing costs are $2,500 and are added
    6·2 answers
  • A triangular window pane has a base of 36 inches and a height of 26 inches. What is the area of the window pane? The area of the
    8·1 answer
  • PLEASE HELP !! ILL GIVE BRAINLIEST !! 100 POINTS
    10·2 answers
  • You are on the 2nd floor, go down 3 floors, and back up 7 floors. On what floor are you on now? *
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!