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
nataly862011 [7]
3 years ago
6

Pleaasse explain:))))

Mathematics
1 answer:
insens350 [35]3 years ago
8 0
C) X < 1 can be assumed to start an indirect proof for x≤1

Hope this helps!
You might be interested in
Rhonda has $4.85 in coins. If she has six more nickels than dimes and twice as many quarters as dimes, how many coins of each ty
Novay_Z [31]

Answer: nickels = 13, dimes = 7, quarters = 14

<u>Step-by-step explanation:</u>

First, set up the equations for each coin:

\begin {array}{c|c|c|l}\underline{\quad Type\quad }&\underline{Value}&\underline{Quantity}&\underline{\qquad \qquad \qquad Equation\qquad }\\ Nickel& \$0.05&6+d&0.05(6+d) = 0.30 + 0.05d\\Dime& \$0.10&d&\qquad 0.10(d)=0.10d\\Quarter& \$0.25&2d&\qquad 0.25(2d)=0.50d\\\end{array}

Next, the sum of the coins is $4.85 so substitute and solve for the variable:

   Nickels         +   Dimes  +   Quarters = Sum

(0.30 + 0.05d)  +    0.10d   +     0.50d   =  4.85

0.30 + 0.65d = 4.85

            0.65d = 4.55

                    d = 7

Lastly, plug the d-value into the quantity equation for the nickels and quarters to find their quantity.

nickels: 6 + d   = 6 + (7)   = 13

quarters: 2d   = 2(7)   = 14

6 0
3 years ago
How do you know that 1.026÷5.051≠0.02 without doing the​ division?
OLga [1]

Answer:

Mental Math and Logic

Step-by-step explanation:

You might not have access to a calculator, so when times comes like this when you have to validate a statement if wrong or right, mental math comes in help.

You only need the approximate number to do something like mental math. Both numbers divided by each other, is really close to their whole numbers of 1 and 5, respectively. If you divide 1/5, you get 0.2, which is not what the answer is.  0.02 and 0.2 are very different answers, and you would not get 0.02 no matter how many decimals after that 1.0 and 5.0.

Which means the statement is not true based on logic and mental math.

4 0
2 years ago
!!20 points and Brainliest please help!!!
vitfil [10]

D) ac + ad + bc + bd

Hope it helps :)

7 0
2 years ago
Read 2 more answers
Compare using &gt;, &lt;, or =.<br> -36/8________- 4.5
Feliz [49]

Answer:

Step-by-step explanation:

to find whether -36/8 is greater than, less than, or equal to is -4.5, we must first solve -36/8.

-36/8 = -4.5

So the answer is -4.5 = -4.5

Hope that helps!

5 0
2 years ago
Read 2 more answers
In quadrilateral ABCD, angle A is 75 degrees, angle B is 115 degrees, and angle D is 90 degrees. What is the measure of angle C?
galina1969 [7]

Answer:

80

Step-by-step explanation:

A quadrilateral measured 360. if you do not know that you can multiply 360 by 2 because there are 2 triangles in a quadrilateral. Then you subtract 360 by 75,115, and 90. And you will get 80 degrees

7 0
2 years ago
Other questions:
  • Two rectangular properties share a common side. Lot A is 33 feet wide and 42 feet long.
    5·1 answer
  • What is the value of the equation below when a=3 and b=7 <br> a2-2b
    14·1 answer
  • Which correlation coefficient obtained from modeling advertising and sales data of tutti frutti ice cream expresses the stronges
    6·2 answers
  • How to solve 3x+5=-13
    14·1 answer
  • Didier whants to buy a bike that cost $125 he aredy has saved $65 he earns $12 each hour working a a life garud abd saves all of
    15·1 answer
  • How many hours will it take a bicyclist traveling 17.6 feet per second to finish a 90 mike race round your answer if necessary t
    14·1 answer
  • A woman starts out walking due north for 2 miles, and then she turns due west and continues for another 2 miles. How far from he
    7·1 answer
  • Brent spent 1,530 on a television. This amount is 36% of Brents monthly paycheck.how much does Brent earn per month
    14·1 answer
  • No links please help
    8·2 answers
  • 57 % of 200 calculate this please
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!