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
noname [10]
3 years ago
7

Can someone help me please with both questions?

Mathematics
1 answer:
cluponka [151]3 years ago
5 0
He really put a link
You might be interested in
​Plasma-glucose levels are used to determine the presence of diabetes. Suppose the mean ln​ (plasma-glucose) concentration(mg/dL
sammy [17]

Answer:

a) 0.4571

b)  How many sedentary people are needed in the study to achieve​ 80% power? = 229

Step-by-step explanation:

8 0
3 years ago
A comfort room which is 2m by 2m has to be tiled with 30 cm by 30 cm tiles. Is 50 pieces tiles enough to cover the comfort room.
Allisa [31]

Answer:

yes

number of tiles needed = (200 x 200) / (30 x 30) = 44.4

Step-by-step explanation:

number of tiles needed = Area of comfort room / area of tiles

Area of a square = length²

convert area of comfort room to cm

100 cm = 1 meter

2 x 100 = 200

number of tiles needed = (200 x 200) / (30 x 30) = 44.4

50 tiles are more than enough to tile the room

5 0
3 years ago
The table below shows the fourth roots of different numbers: Number (x) 16 16 81 81 Fourth root of the number (y) 2 −2 3 −3 Part
brilliants [131]
The answer will be 45 because once you divide all the numbers you will get 45
Hope this helps
4 0
3 years ago
Given the equation Y -3 equals 1/2 (X +6 )in point slope form identify the equation of the same line in standard form
liberstina [14]

The standard form of a line:

Ax+By=C

We have the equation of a line in the slope-point form:

y-3=\dfrac{1}{2}(x+6)      use distributive property

y-3=\dfrac{1}{2}x+3       add 3 to both sides

y=\dfrac{1}{2}x+6        multiply both sides by 2

2y=x+12       subtract x from both sides

-x+2y=12      change the signs

x-2y=-12

4 0
4 years ago
The house has a form of a rectangle with one side two and a half times as long as the other side.
Studentka2010 [4]

Answer:

A. (x*2.5)*x

B. (32*2.5)*32=2560

Step-by-step explanation:


4 0
4 years ago
Other questions:
  • Use grouping symbols to make the following equation true. 5³ ÷ 5+20=5
    13·1 answer
  • Find the area of a regular pentagon with an apothem of 3.1ft and a side length of 4.5ft. Round your answer to the nearest whole
    7·1 answer
  • What is a counterexample? "If a number is an integer, then it is either positive or negative."
    11·1 answer
  • There are (3^5)^2 . 30 leaves on a tree. What is the total number of leaves on the tree? (5 points)
    7·1 answer
  • Guys theres only 23 more days until spring break hang in there :)))))))))
    9·2 answers
  • What is the circumference of a circle whose radius is 11?<br> A. 115<br> B. 221<br> C. 60.57
    7·1 answer
  • You can buy 4.3 kg of ground beef for 21.70$ or 1.6 kg for 7.85$ What is the better deal?
    10·1 answer
  • A zip line starts on a platform that is 40 meters above the ground. The anchor for the zip line is 198 horizontal meters from th
    13·1 answer
  • What is the value of x in the equation 2(2x − 5 − 4) = 160 − 17? (4 points)
    10·1 answer
  • Find x. Round to the nearest tenth if necessary.
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!