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
bogdanovich [222]
3 years ago
7

Estimate the sale price of a $349.99 40 inch plasma tv that is 20% off. write one or two sentence to explain your estimation str

ategy.
Mathematics
1 answer:
valentina_108 [34]3 years ago
3 0
Estimation....
20% off means u r paying 80%. 349.99 rounds to 400.
80% of 400.....turn percent to decimal....." of " means multiply.
so 0.8(400) = 320 <== ur estimate
You might be interested in
Write -6.1 as a mixed number in simplest form.
butalik [34]
-6.1=-(6+1/10)

-6 1/10
8 0
2 years ago
Write 8 * 10^-7 in standard form<br> 8*10^-7 =____
tino4ka555 [31]

Answer:

  • 0.0000008

Step-by-step explanation:

<u>Given</u>

  • 8*10^-7

<u>Converted to standard form</u>

  • 8*10^-7 = 8*0.0000001 = 0.0000008
4 0
3 years ago
Read 2 more answers
Write the equation of the line in slope intercept form that passes through the point (-3, 5) and is parallel to y= - 2/3x
Solnce55 [7]

Answer:

The equation of the line in slope intercept form that passes through the point (-3, 5) and is parallel to y= - 2/3x is \mathbf{y=-\frac{2}{3}x+3 }

Step-by-step explanation:

We need to Write the equation of the line in slope intercept form that passes through the point (-3, 5) and is parallel to y= - 2/3x

The equation in slope-intercept form is: y=mx+b where m is slope and b is y-intercept.

Finding Slope:

The both equations given are parallel. So, they have same slope.

Slope of given equation y= - 2/3x is m = -2/3

This equation is in slope-intercept form, comparing with general equation  y=mx+b where m is slope , we get the value of m= -2/3

So, slope of required line is: m = -2/3

Finding y-intercept

Using slope m = -2/3 and point (-3,5) we can find y-intercept

y=mx+b\\5=-\frac{2}{3}(-3)+b\\5=2+b\\ b=5-2\\b=3

So, we get b = 3

Now, the equation of required line:

having slope m = -2/3 and y-intercept b =3

y=mx+b\\y=-\frac{2}{3}x+3

The equation of the line in slope intercept form that passes through the point (-3, 5) and is parallel to y= - 2/3x is \mathbf{y=-\frac{2}{3}x+3 }

5 0
2 years ago
Read 2 more answers
You spent $145 purchasing 3 student tickets and 7 adult tickets. Adult tickets cost $5 more than a student ticket. Find the cost
vova2212 [387]

Answer:

$11 and $16

Step-by-step explanation:

let x be the cost of a student ticket then an adult ticket is x + 5 , then

3x + 7(x + 5) = 145 , that is

3x + 7x + 35 = 145

10x + 35 = 145 ( subtract 35 from both sides )

10x = 110 ( divide both sides by 10 )

x = 11

Student ticket costs $11 and adult ticket = x + 5 = 11 + 5 = $16

3 0
2 years ago
Whilst shopping, the probability that Caroline buys fruit is 0.4. The probability that Caroline independently buys a CD is 0.2.
AleksandrR [38]

Answer:

probability that Caroline buy both CD and  fruit = 0.52

Step-by-step explanation:

We have given that the probability of Caroline buys a fruit P = 0.4

So probability of Caroline does not buy the fruit = 1 - 0.4 = 0.6

Probability Caroline buys a CD P = 0.2

So probability of Caroline does not buy the CD = 1 - 0.2 = 0.8

So probability that Caroline does not buy either buy CD or fruit = 0.8×0.6=0.48

So probability that Caroline buy both CD and  fruit =1-0.48 = 0.52

7 0
3 years ago
Other questions:
  • Solve this problem out
    13·1 answer
  • The late fee for libary books is $2 plus 15 cents each day for a book that is late. if monicas late fee is $2.75, write and solv
    5·1 answer
  • Find the exact circumferece of a circle with a given radius of 3 1/4 inches.
    7·1 answer
  • A taxi company charges passengers $2.00 for a ride, no matter how long the ride is, and an additional $0.20 for each mile travel
    5·1 answer
  • What what is the date of the snow on Cherry Street after three hours?
    5·1 answer
  • The difference between 4,632 and 20,000 is what number
    7·2 answers
  • If the mean of this distribution is 13.7, which could NOT be the median?
    6·1 answer
  • Carlos is looking at apartments with 3 of his friends. They want the monthly rent to be no more than $2,360. If the roommates sp
    5·2 answers
  • Enter the value of the underlined digit. 7.806 (7 is under lined)​
    9·1 answer
  • In a class of 25 students, 18 were math majors, 12 were computer science majors, and 7 were dual majors in math and computer sci
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!