Mathematics High School

A lamp originally costs $30 Krishna has a 5% off coupon for the lamp After the coupon a 5% sales tax is applied Will she pay more than $30 less than $30?


1. More than $30

2. Less than $30

3. Exactly $30

Answers

Answer 1
3. The 5% off will make it 29.50 and with the tax it will be back to 30
Answer 2

Krishna will pay less than $30

What is the unitary method?

The unitary method is a method for solving a problem by the first value of a single unit and then finding the value by multiplying the single value.

We are given that A lamp originally costs $30. Krishna has a 5% off coupon for the lamp After the coupon a 5% sales tax

5% of 30

0.05 x 30 = 1.5

so 30 - 1.5 = 28.5

then 5% of 28.5

0.05 x 28.5 =  1.425

then you add 28.5+1.425= 29.925

Therefore, its less than 30

Learn more about the unitary method, please visit the link given below;

https://brainly.com/question/23423168

#SPJ2

Related Questions

Find the Surface Area of the following figure:
16 ft
7 ft
10 ft

Answers

Answer:

684

Step-by-step explanation:

A horizontal line includes the points (0, -2) and (3, -2). Find the slope of the line.

wil give BRAINLIEST
pls answer correctly

Answers

Answer:

We conclude that the slope of the line containing the points (0, -2) and (3, -2) is:

[tex]m = 0[/tex]

Step-by-step explanation:

Given that the line includes the points

(0, -2)(3, -2)

We need to find the slope of the line containing the points between (0, -2) and (3, -2) using the formula

[tex]m=\frac{y_2-y_1}{x_2-x_1}[/tex]

where m is the slope between (x₁, y₁) and (x₂, y₂)

In our case,

(x₁, y₁) = (0, -2)(x₂, y₂) = (3, -2)

now substituting (x₁, y₁) = (0, -2) and (x₂, y₂) = (3, -2) in the slope formula

[tex]m=\frac{y_2-y_1}{x_2-x_1}[/tex]

[tex]m=\frac{-2-\left(-2\right)}{3-0}[/tex]

[tex]m=\frac{-2+2}{3}[/tex]

[tex]m=\frac{0}{3}[/tex]

[tex]m = 0[/tex]

Therefore, we conclude that the slope of the line containing the points (0, -2) and (3, -2) is:

[tex]m = 0[/tex]

how to find the rate of change of the inputs

Answers

Answer:

To find the average rate of change, we divide the change in the output value by the change in the input value.

A. 9
B. 0
C. -9
D. 6

Answers

Answer:

Step-by-step explanation:

the answer would be -9 only because the sum is all postive instead of negative

circle p has a raius of r and circle q has a radius twice as large. How many time greater is the area of circle q than the area of circle p

Answers

Answer:

4 times greater

Step-by-step explanation:

see attached picture

Priyanka drives at 45km/h and reaches Delhi in 5 hours.What time will she take to complete the same journey if she increases her speed by 5km/h ?​

Answers

Answer: Increasing her speed  by 5km/h, she will take 4.5 hours to complete the journey.

Step-by-step explanation:

Step 1

Speed= Distance  / TIme

Given Speed = 45km/h

and Time = 5 hours

Distance covered = Speed x Time

= 45 km/h x 5 hours

=225 kilometres.

Step 2

Increasing her speed by 5km/h makes the new Speed = 45 +5 = 50 km/h

At the same Distance of 225 km

Therefore she will complete the journey in

Time = Distance/ Speed

=225km/ 50km/h

=4.5 hours

This student solved a linear equation and showed all their work. What was their first step?
A: Distributive property
B: Combine like terms
C: Inverse operation

Answers

odpowiedź A aaaaaaaaaaaaaaaaa

can someone help plz

Answers

Answer: 5/4x

Step-by-step explanation:

To solve this you'll need to use the slope formula which is

Y2 - Y1 over

X1 - X2

You already have two points so that's what we'll use.

(4, 7) (12, 17)

17 - 7

12 - 4  = 10/8

10/8 can be simplified further to 5/4

Please help, it would really make my day! I’ll give branliest if it’s correct! :-)

Evaluate 4a when a=7
The value is:

Answers

Answer:

28

Step-by-step explanation:

Please help if you want BRIANLIST PLEASE!!!

Answers

Answer:

there are 4 times larger

Step-by-step explanation: 11 x 4 = 44 so its 4 times larger

Problem: Prove that the quadrilateral defined by the points F(6,4), R(1,3), O(3,2), G(−2,1) is a parallelogram.
(Please explain!)

Answers

you can draw it on a graph like the one i did

then name the sides

and then measure them and make sure that parallel sides are equal

a must be = c and have same slope

and

b must be = d and have same slope

after doing that, you will know that this is a correct parallelogram

hey!! what's

6+6÷12

.......................​

Answers

Answer:

1

Step-by-step explanation:

6+6=12

12/12=1

Step-by-step explanation:

= 6+ 6÷12

= 6+ 1/2

= 13/2

hope this will be helpful to you.

plz mark my answer as brainlist if you find it useful.

Please solve fast plz

Answers

14 because they are vertical angles

Answer:

r=14

Step-by-step explanation:

7r+6=8r-8

-8r     -8r

-1r+6=-8

    -6  -6

-1r=-14

/-1    /-1

r=14

Hope this helps!

what’s 5/6 of 43km 44m?

Answers

Answer:

pretty sure it's 35.87 kilometers

i think its 35.87 km as well

um some help please? asap

Answers

I think it’s 24 but not 100%

What is the value of q?

Answers

Answer:

q = 70°

Step-by-step explanation:

The 3 angles form a straight angle and sum to 180° , that is

q + 52° + 58° = 180°

q + 110° = 180° ( subtract 110° from both sides )

q = 70°

Answer:

q=70

Step-by-step explanation:

All the angles added up adds up to 180 so all you have to do is subtract the known angles from 180. Your equation should look like this

180-52-58=70

Write an equation from the line

Answers

Answer:

y=-2/3x+-2

Step-by-step explanation:

y=MX+b

b=-2

m=-2/3

please helpppppppppppppppppppppppppppppppppppppppp



Convert the following fractions into percent and decimals.


1/4, 1/25 , 1/6 , 1/3

Answers

Answer:

1/4 is 0.25

1/25 is .04

1/6 is 0.16

1/3 is 0.3

24. $5.24 + 23¢ + 2¢ (53)​

Answers

Answer:

$5.49

Step-by-step explanation:

Rewrite 23¢ and 2¢ as $0.23 and $0.02, and then combine them:  $0.25.  Now add this result to $5.24.  We get $5.49

What is the radius and diameter of the following circle?

Answers

radius is 3.5
diameter is 7

HELP ME SOLVE HURRY I WILL MARK BRAINLIEST THANKS

Answers

Answer:

your y intercept is 90 and the equation would be y= 90 and x is unknown

what is equal to 4.2 kilometers
4,200 meters
420 meters
420 centimeters
4,200 centimeters

Answers

Answer:

4,200 metersHow do you convert meters to kilometers formula?Meters to Kilometers Conversion

1 Meter (m) is equal to 0.001 kilometer (km). To convert meters to km, multiply the meter value by 0.001 or divide by 1000. For example, to convert 100 m to km, multiply 100 by 0.001, that makes 0.1 km is 100m .

Step-by-step explanation:

Hope it is helpful.....

How many solutions does the equation 3(x + 2) - 10 = 4x - 6+ xhave? A infinitely many solutions B two solutions one solution D no solution​

Answers

Answer:

Step-by-step explanation:

3(x+2) -10 = 4x + 6 +x

3x +6 -10 = 5x+6

-10 = 2x

x = -5

One solution

Can someone help please

Answers

Answer:

50

Step-by-step explanation:

20+20=40

5+5=10

40+10=50

Answer: P=50

Step-by-step explanation: 20 m = length and 5 m = width

Solution:

P=2(l+w)=2·(20+5)=50

So the perimeter is 50

Write an equation for the nth term of the arithmetic sequence.
17, 12, 7, 2, ...
an=

Answers

Answer:

An equation for the nth term of the arithmetic sequence 17, 12, 7, 2 is 17-5n.

Step-by-step explanation:

Given,

first term(a)=17

common difference (d)=t2-t1

=12-17

=-5

nth term of the arithmetic sequence = a+n×d

=17+n×-5

=17-5n

Find it the value of x.

Answers

Answer:

x=18

Step-by-step explanation:

100 and (5x+10) are congruent (vertical angles theorem)

5*18+10=100

I need help with this!!

Answers

Answer:

2g+7

Step-by-step explanation:

g represents gails age

2 times gails age

2g

7 more than is addition

2g+7

Katie picked 25 carrots from her garden and divided them equally into 5 bunches to give to her neighbors. How many carrots are in each bunch?

Answers

Answer:

5

25/5=5

Step-by-step explanation:

Exercise 12.1

r. (1) 5x – 3 = 3x - 5
.
(1) 5y - 2[y - 3(y – 5)] = 6​

Answers

Answer:

(1) x = -1 (1) y = 4

Step-by-step explanation:

r. (1) 5x - 3x = -5 + 3

       2x = -2; x = -1

(1) 5y - 2[y - 3y +15] = 6

    5y - 2y+6y - 30 = 6

    9y = 36; y = 4

Have a good day!

what is the difference of 20 and 3

Answers

Answer:17

Step-by-step explanation:

20-3=17

The difference of the two numbers would be 17
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