Mathematics High School

Savannah wants to buy a new tablet that costs $140. She has a coupon expiring this week that is for 15% off any item. Next week, the tablet will be on sale for $125. When is it a better deal for Savannah to purchase the tablet, and why?

Answers

Answer 1

Answer:

Its better to buy this week because it is cheaper with using coupon.

Step-by-step explanation:

140 x 0.85 = 119

125 > 119

Related Questions

Will the following lengths make a triangle? yes/no? (Will give brainy)

Answers

Answer:

1. Yes

2. No

3. Yes

4. No

5. Yes

Step-by-step explanation:

1. Yes

2. No

3. Yes

4. No

5. Yes

In order to be sure whether given lengths form a triangle or not, we should know the following property.

If sum of any two lengths is larger than the third length then it will form a triangle otherwise not.

plzzzzzzzzzzzzzzzzzzzzzzzzzzzzz

Answers

a) x(x+2)
B)2x(x-3)
C)5x(3-2x^2)
D)3x^2(3+x)

Juan wants to solve the equation below using the Distributive Property.

4(6 – x) = 12
What should Juan’s first step be?
A. Multiply 4 by x.
B. Subtract x from 6.
C. Distribute 4 to (6 – x).
D. Subtract 4 from both sides.

Answers

Answer:

C. Distribute 4 to (6 - x).

Step-by-step explanation:

Person above is right.

Juan’s first step should be C. Distribute 4 to (6 – x).

What is distributive property of multiplication over addition?

Suppose a, b and c are three numbers. Then we have:

a(b + c) = a b + a c

(a(b+c) means a multiplied to (b+c). The sign of multiplication is usually hidden when using symbols and both quantities which are in multiplication are written together without space)

We are given an equation as;

4(6 – x) = 12

Here Juan wants to solve the equation, using the Distributive Property.

thus, 4(6 – x) = 12

First step is to distribute 4.

4(6) – 4(x) = 12

Then solve;

24 - 4x = 12

x = 3

Hence, Juan’s first step should be C. Distribute 4 to (6 – x).

Learn more about distributive property here;

https://brainly.com/question/5637942

#SPJ2

(5,6) and (−5,12) what is the rate of change??

Answers

Answer:

- 0.6

Step-by-step explanation:

Start point: (5,6)

End point: (-5,12)

rate of change = (12-6) / (-5-5) = 6/-10 = - 3/5 = - 0.6

Answer:

The rate of change is -0.6

Step-by-step explanation:

Given

[tex](x_1,y_1) = (5,6)[/tex]

[tex](x_2,y_2) = (-5,12)[/tex]

Required

Determine the rate of change

The rate of change means the slope (m) and it is calculated as thus:

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

[tex]m = \frac{12-6}{-5-5}[/tex]

[tex]m = \frac{6}{-10}[/tex]

[tex]m = -\frac{6}{10}[/tex]

Simplify the fraction

[tex]m = -\frac{3}{5}[/tex]

[tex]m=-0.6[/tex]

The rate of change is -0.6

Yo can somebody help me ?

Answers

Answer:

x=60

Step-by-step explanation

all the sides are equal and they all add up to 180.

so 180 divided by 3= 60

thus your answer is 60

How many solutions does the quadratic system shown below have ?

Answers

It is 4! hope this helps>3

Why is the percent increase from 45 to 75 not equal to the percent decrease from 75 to 45? Select three options.
UThe amount of change drent for the percent increase and the percent decrease
UThe ratio of the percent increase is not the same as the percent decrease.
OThe ratio for the percent increase has a smaller denominator than the percent decrease.
U The ratio for the percent increase has a different numerator than the percent decrease.
O The original amount for the percent increase is different from the original amount for the percent decrease.

Answers

Answer:

work out the difference (increase) between the two numbers you are comparing. Then: divide the increase by the original number and multiply the answer by 100. % increase = Increase ÷ Original Number × 100. If your answer is a negative number, then this is a percentage decrease.

Step-by-step explanation:

find the compound ratio of 6:5cm and 2:5

Answers

Just getting more answers sorry :/

Answer:

12:25

Step-by-step explanation:

6/5×2/5

=12/25

12:25

find the 66th term in the arithmetic sequence -92,-85,-78,-71,...

Answers

i believe it would be -64 since it takes 7 to get from each number :)

Micah rows his boat on a river 4.48 miles downstream, with the current, in 0.32 hours. He rows back upstream the same distance, against the current, in 0.56 hours. Assuming his rowing speed and the speed of the current are constant, what is the speed of the current?

3 miles per hour
8 miles per hour
11 miles per hour
14 miles per hour

Answers

Let the speed of the current be y and the speed of Micah's sailing speed be x. Then 4.48/(x + y) = 0.32
4.48/(x - y) = 0.56

0.32x + 0.32y = 4.48 . . . (1)
0.56x - 0.56y = 4.48 . . . (2)
(1) x 7 => 2.24x + 2.24y = 31.36 . . . (3)
(2) x 4 => 2.24x - 2.24y = 17.92 . . . (4)
(3) - (4) => 4.48y = 13.44
y = 3
From (1), 0.32x + 0.32(3) = 4.48
0.32x = 4.48 - 0.96 = 3.52
x = 3.52/0.32 = 11

Therefore, the speed of the current is 3 miles per hour. Answer is 3 miles per hour

Answer:

its 3 miles per hour which is A

Step-by-step explanation:

i got it right on the test

15/40 = x/13,095
solve for x then round to the nearest amount of whole hours.
PLEASE ANSWER ASAP!

Answers

Answer:

Step-by-step explanation:

You can cross multiply (15 x 13095) = 40x

196425 = 40x

divide by 40

x = 4,910.625

x = 4,911

Explain please I’ll give brainliest to the best response!!:)

Answers

Answer:

Because 4/1 is 4 and 12/3 is 4

Step-by-step explanation:

Answer:

4:1 is equal to 12:3

Step-by-step explanation:

if you divide 12:3 both numbers by 3 it equals 4:1

just picture the smaller squares for the 12:3 with three lines in them

sorry im not that good at exlaining stuff

*will give brainist*

just make sure the answer is correct!!

Answers

i think 86

you’d just add 26 and 60

Solve the simultaneous equations:

4x+3y=44

3x+3y=39
x=
and y=

Answers

Answer:
X = 5
Y = 8

Explanation:

Answer:

X = 5 and Y = 8

Step-by-step explanation:

4x + 3y = 44

3x + 3y = 39

- - -

__________

x = 44 - 39

x = 5........eq 1

Now putting the values in any equation

4 ( 5 ) + 3 y = 44

20 + 3 y = 44

[tex]4(5) + 3y = 44[/tex]

[tex]20 + 3y = 44[/tex]

[tex]3y = 44 - 20[/tex]

[tex]3y = 24[/tex]

[tex]y = \frac{24}{3} [/tex]

[tex]y = 8[/tex]

-3√123 = -2√123 x _____ Fill in the blanks

Answers

Answer:

a = 1.5

Step-by-step explanation:

Given:

-3√123 = -2√123 x ------

Assume;

Blank = a

Computation:

a = -3√123 / -2√123

a = 3 / 2

a = 1.5

Find the sum of the first 40 terms of a geometric sequence where the first term is 16 and the common ratio is 1.1. 704 7,081.48089 7,805.62898 6,423.16445

Answers

Step-by-step explanation:

The nth term of a geometric progression can be determined by using the formula:

Tn=arn−1

where: a = first term and r = common ratio

Substitute the given values of first term and common ratio into the formula:

Tn=arn−1

T5=(40)(0.5)5−1

T5=(40)(0.5)4

T5=(40)(0.0625)

T5=2.5

PLZ HELP i will brainliest if u answer the 3 question correct

Answers

Step-by-step explanation:

1. The formula is 18x3 since there is 3 equal area sides. The volume is 54 (probably)

2. The formula for the pyramid is 3x3x2/3. Which the volume is 6.

3. Same thing the volume is 60 and what i did to get that is 20x3

Hope this helps!

Answer:

Given : A=(1,2)≡(x

1 ,y

) and B=(3,−2)≡(x

)

Let M=(x,y) be the midpoint of AB

x=(

) and y=(

)

Then, x=

1+3

and y=

2−2

⟹x=2 and y=0

∴M=(2,0)

∴ Coordinates of the midpoint of AB is (2,0)

Step-by-step explanation:

Kelsey can buy 2 pounds of apples for 7 dollars

Answers

Answer:

each pound cost 3.5 dollars

Step-by-step explanation:

7/2

Answer: each pound is 3.50 dollars

Step-by-step explanation: 7.00 divided by 2 is 3.50 dollars

Combine Like Terms
22+15x=34-17x

Answers

Step-by-step explanation:

22+15x=34-17x

So now, the 34 will join the 22 and the 15x will join the -17x

22-34=-17x-15x

-12=-2x

So now, we divide both sides by -2x

and the negative will cancel negative so

x=6

You want to find the sum of -3x2 + 7x-4 and -2 + 5x - x3. Which addition shows like
terms lined up correctly?

Answers

Answer: 0x³ - 3x² + 7x - 4

-x³ + 0x² + 5x - 2

Step-by-step explanation:

Simply the expression (5x+9y) - (11x-3y+7)

Answers

Answer:

-6+12y-7

Step-by-step explanation:

Who doesn't like short answers, instead of writing a hole paragraph.

Answer:

[tex]-6x + 12y - 7[/tex]

Step-by-step explanation:

[tex](5x + 9y) - (11x - 3y + 7)[/tex]

Lets open the brackets.

[tex]=> 5x + 9y - 11x + 3y - 7[/tex]

Now lets add/substract the like terms only.

[tex]=> 5x - 11x + 9y + 3y - 7[/tex]

[tex]=> -6x + 12y - 7[/tex]

The price of a necklace was increased by 10% to £154.
What was the price before the increase?

Answers

Answer:

answer in attached picture

Answer:

£169.4

Step-by-step explanation:

£154.00 + 10% = 169.4

Brainliest Please??!!??

- ElizabethKate

please help me out. precalc math. will report if answer is n/a

Answers

a is the correct answer I Hope it help

First one because the x is 3 on the x-axis and the line than goes off the charting promoting (3,infinity)

Sandy has 27 roses, 9 daisies, and 18 tulips. She wants to arrange all the flowers in bouquets. Each bouquet has the same number of flowers and the same type of flower. What is the greatest number of flowers that could be in a bouquet?

Answers

Answer:

The greatest number of flowers that could be in a bouquet is 9 flowers

Step-by-step explanation:

We solve the above question using Greatest Common Factor method. We find the factors of 27, 9 and 18. The greatest factor common to the 3 number is our answer.

The factors of 9 are: 1, 3, 9

The factors of 18 are: 1, 2, 3, 6, 9, 18

The factors of 27 are: 1, 3, 9, 27

Then the greatest common factor is 9.

The greatest number of flowers that could be in a bouquet is 9 flowers

What do you need to do to a variable with a coefficient?
For example: 4n=20.
add
subtract
divide
multiply

Answers

Answer:

wouldnt it be 5

Step-by-step explanation:

The temperature in a greenhouse should be 66 degrees or higher. One morning, the heater stopped working. The temperature dropped 2 degrees before someone fixed the heater. The temperature was still at least 66 degrees when the heater started working again. How can you best describe the temperature in the greenhouse before the heater stopped working?

The temperature in the greenhouse was at least (answer) degrees before the heater stopped working.

Please answer ASAP!

Answers

Answer:

The temperature in the greenhouse was at least 68 degrees before the heater stopped working.

Step-by-step explanation:

It was at 68 then it dropped by 2 degrees.

What is the solution of the equation (4x + 3)2 = 18?
O x = 3 and x = -3
O x = -3 and x = 3
=
2
O x= -3+372 apd x = -3-3,2
4
4
x= 3+372 and x = -3 +372
4

Answers

Answer:

Step-by-step explanation:

2(4x+3)=18

8x+6=18

-6 -6

8x = 18

÷8 ÷8

x = 2.25

ive tried multiple ways and they are all different to the provided answers

What value of x makes the equation true?
3(4x-5)-4x+1=-6
Please show work

Answers

Answer:

x = 1

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right

Equality Properties

Step-by-step explanation:

Step 1: Define Equation

3(4x - 5) - 4x + 1 = -6

Step 2: Solve for x

Distribute 3: 12x - 15 - 4x + 1 = -6Combine like terms: 8x - 14 = -6Isolate x term: 8x = 8Isolate x: x = 1

Step 3: Check

Plug in x into the original equation to verify it's a solution.

Substitute in x: 3(4(1) - 5) - 4(1) + 1 = -6Multiply: 3(4 - 5) - 4 + 1 = -6Subtract: 3(-1) - 4 + 1 = -6Multiply: -3 - 4 + 1 = -6Subtract: -7 + 1 = -6Add: -6 = -6

Here we see that -6 does indeed equal -6.

∴ x = 1 is the solution to the equation.

BRAINLEST ANSWER + POINTS

These triangles are
congruent by the
triangle congruence
postulate [ ? ].

Please be right

Answers

a. the triangles are NOT congruent

Answer:

They are not Congruent = A

Step-by-step explanation:

Its not congruent because the left one is slightly a little bit bigger than the right. If you look close enough you can see that. Plus if you add the lines together the right one is slightly tilted.

Evaluate the expression when m=−6.

m−(−8)=

Answers

The answer would be 2.
-6 - (-8)
-6 + 8
2

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Savannah wants to buy a new tablet that costs $140. She has a coupon expiring this week that is for 15% off any item. Next week, the tablet will be on sale for $125. When is it a better deal for Savannah to purchase the tablet, and why?​

Answers

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Savannah wants to buy a new tablet that costs $140. She has a coupon expiring this week that is for 15% off any item. Next week, the tablet will be on sale for $125. When is it a better deal for Savannah to purchase the tablet, and why?