Mathematics High School

PLEASE I WILL GIVE BRAINLIEST!
After 10% sale discount, the price of an item became $45.00. What was its original price.

Answers

Answer 1

Answer:

$50

Step-by-step explanation:

If you do the math, 10 percent of $50 is $5.

$50 - $5 = $45

Hope that helps!

Answer 2

Answer:

$50

Step-by-step explanation:

Let the original price was $x.

Therefore,

x - 10% of x = 45

x - 0.1x = 45

0.9x = 45

x = 45/0.9

x = $50

So, the original price was $50.

Related Questions

Please teach me how to solve this!!!

Answers

The answer is D. 41 because since the lines are parallel the vertical angles are congruent. So 3x-43=80 and when you solve that (add 43 on both sides then divide by 3 on both sides) you get 41.

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Big Ideas Math
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::: CALCULATORS
Classify each polynomial according to its degree and type.
Monomial
Binomial
Trinomial
Degree 1
Degree 2
Degree 3
:: 9x
:: 5 - 2x3
:: - 4x2
:: x + 6
:: 3x² + 3x3 - 10
:: 4x2 - x
:: x - 3x² + 1

Answers

Answer:

Trinomial

Binomial

and monomial

Step-by-step explanation:

Which transformations were used to create triangle J'K'L'?
Y 4
10-
dilation by a scale factor of and a reflection
across the y-axis
8
6
4
dilation by a scale factor of 2 and a rotation
of 90° clockwise about the origin
2
2
2
-6
10-8
g
10
-4 1-2 ol
-2
dilation by a scale factor of and a reflection
K.4
across the x-axis
-6
-8-
dilation by a scale factor of 2 and a rotation
of 90° counter-clockwise about the origin
-10-

Answers

Answer:

C

Step-by-step explanation:

Answer: C

Step-by-step explanation:

Pls I need help this assignment is done before 11:59pm.

Solving systems of equations using substitution.

Can you also explain cause I didn’t understood that much.

Thanks.

Answers

Answers:

Blank 1 = 3Blank 2 = 3

In other words, x = 3  and y = 3

===========================================================

Explanation:

Let's solve the first equation for x. I'm picking on this equation variable because the coefficient is 1.

Solving for x leads to

x-2y = -3

x = -3+2y

I added 2y to both sides

Now we'll plug this into the other equation. This means we replace every copy of x with -3+2y since they are the same thing.

3x + 5y = 24

3( x ) + 5y = 24

3( -3+2y ) + 5y = 24 .... replace x with -3+2y

3(-3) + 3(2y) + 5y = 24 .... distribute

-9 + 6y + 5y = 24

11y-9 = 24

11y-9+9 = 24+9 ...... adding 9 to both sides

11y = 33

11y/11 = 33/11 .... dividing both sides by 11

y = 3

We'll use this y value to find x. We can pick on any equation with x & y in it, but I find it's easiest to use the equation where x is isolated

x = -3+2y

x = -3+2(3) .... replace y with 3

x = -3+6

x = 3

So both x and y are equal to 3

-------------------------------

Let's check the answer

Plug (x,y) = (3,3) into the first equation. We should get the same number on both sides after simplifying fully

x-2y = -3

3 - 2(3) = -3

3 - 6 = -3

-3 = -3

So far, so good. Let's try the other equation

3x + 5y = 24

3(3) + 5(3) = 24

9 + 15 = 24

24 = 24

The other equation is true as well. This fully confirms that (x,y) = (3,3) is the solution to this system of equations. If you graphed each original equation, you should find they cross at the location (3,3).

Side note: it won't always be the case that x and y are the same value.

please answer. i need help majorly

Answers

Answer: 5x + 95= 180

Step-by-step explanation:

Supplementary simply means the two angles sum to 180.

-2(x+2)+5x-
[tex] - 2(x + 2) + 5x - 1[/tex]
I NEED HELP!!!!!!NOW!!!!!​

Answers

Answer: Your answer is 6x-9

Step-by-step explanation: Hope I helped

Answer:

6x-9

Step-by-step explanation:

kdjjdhdhvdjdhdndjdbgdvd

cylinder has r = h and the radius is 4 cm. What is the volume?

Answers

Answer:

201.06 cm

Step-by-step explanation:

so if the radius and height is the same, height would be 4 cm.

volume formula for a cylinder: V=πr2h

answer: 201.06

Which phrase describes the time shown on the clock?
12
PS
11
10
E9
8
7
5
6
15 minutes after 3:00
20 minutes after 4:00
20 minutes after 3:00
16 minutes after 4:00

Answers

20 minutes after 3:00

Answer:

The answer is 15 minutes after 3:00

Find the missing number so that the equation has infinitely many solutions.
3x + 9 =
x + 9 + x
What’s the answer?

Answers

3x + 9= 3 (x + 3)
x + 9 + x= 2x + 9

Answer:

x= 0 is correct.

1. Find x in the right triangle shown. Round your answer to the nearest tenth.
7
9
2.0
5.7
11.4
16.0

Answers

Answer:

well ya see ifjfbfhhdnsjdudhsbsjsjsnehdhsiwnshdjsjsh

I think the answer is 9

Quick I need help: Sunny earns $18 per hour delivering cakes.She worked for x hours this week.Unfortunatly,she was charged $10 for a late delivery on Tuesday.How much money did sunny earn this week ?wriite your answer as an expression

Answers

18x - 10
There is no way to find out how many hours she worked so the answer is an expression. An expression has no equal sign.

Select ALL the true statements:
(See the screenshot please :) )

Answers

Answer:

B. Dilations of an angle are congruent to the original angle.

E. Dilations of a triangle can be similare to the original triangle.

Step-by-step explanation:

These both look like the only correct ones.

Hope it helps!

Find the volume of the prism

Answers

Answer:

75

Step-by-step explanation:

the volume is 80 cubic units. 8*2*5=80

Find the slope of the line passing through the points and ( -6, -5 ) and (4, 4)

Answers

Answer:

Slope: 9/10

Step-by-step explanation:

We need to find the slope of the line that passes through the coordinates given.

To find the slope, we would use the slope formula: m = y2-y1/x2-x1

Plug in your coordinates and solve:

m = 4-(-5)/4-(-6)

m = 4+5/4+6

m = 9/10

Since we can't simplify further, the slope of the line would be 9/10.

f(x) = -x^2 + 8x
find f(-7)

Answers

Answer:

105

Step-by-step explanation:

which number is rational

Answers

0.7 is the rational number

Answer:

The answer is D 0.7

y^-9 using a positive exponent​

Answers

Answer:

[tex]\frac{1}{y^{9} }[/tex]

Step-by-step explanation:

Using the rule of exponents

[tex]a^{-m}[/tex] ⇔ [tex]\frac{1}{a^{m} }[/tex] , then

[tex]y^{-9}[/tex] = [tex]\frac{1}{y^{9} }[/tex]

Can anybody help me with this ?

Answers

Answer:

1st scenario: 163.3°

2nd scenario: 125.2°

3rd scenario: 142.3°

Step-by-step explanation:

1st scenario: angles 1 and 2 form a linear pair and add up to 180

2nd scenario: angles 1 and 4 are same-side interior and add up to 180

3rd scenario: angles 1 and 8 are corresponding and equal; if angle 7 is 37.7 then angle 8 is 142.3 (they form a linear pair). Since angles 1 and 8 are equal then angle 1 is also 142.3

Susanne has no money. In order to buy her sister a gift, she borrowed $15 from her mom. When her birthday came, she received $45 dollars. If she repays her mom, how much money will she have?

Answers

Answer:

$30

Step-by-step explanation:

Given data

She borrowed $15 from her mom

Hence she is on -$15

She received $45 dollars

so when she repay $15 her balance will be

= 45-15

=$30

Hence she will save $30

2b-(3-b) + 4 = 11
I need to know how to show the work to get this answer

Answers

Answer:

10/3

Step-by-step explanation:

Simplifying 2b - (3-b) gives us:

2b - (3 - b) =

2b - 3 + b =

3b - 3

This makes our new equation:

3b - 3 + 4 = 11

Combine like terms

3b + 1 = 11

Subtract 1 from both sides

3b = 10

Divide both sides by 3

b = 10/3

For each ordered pair , determine wether it is a solution to y=6x+5

Answers

Answer:

1. no

2. no

3. no

4. yes

Step-by-step explanation:

pls help i only need the answers

Answers

may i ask what the multiple questions say in the boxes?

- muffin

would you use SSS or SAS to prove triangles congruent? PLEASE help

Answers

you would use SAS to prove it

How fast was a driver going if it left skid marks that were 63 feet long on wet concrete? (The coefficient of friction is 0.97)?
A.31mph
B.334 mph
C.43mph
D.61mph

Answers

Answer:

b 334 mph

Step-by-step explanation:

Jon swam 50 meters freestyle in a competition. How many kilometers did Jon swim?

Answers

Answer:

.05 kilometers

Step-by-step explanation:

One kilometer is 1000x more than a single meter. And [tex]50 \div 1000 = .05[/tex].

Find the product.

(-2x 2)3 ·3x

Answers

Answer:

-15x

hope it's helpful ❤❤❤❤❤❤

THANK YOU.

The price of a loaf of a particular type of bread increased from $3.69 to $5.49 from 2009 to 2019. What was the percent increase in the price of the loaf of bread over those years? Round your answer to the nearest tenth of a percent.

Answers

Answers:

A) 51.3%

B) 55.9%

C) 32.8%

D) 48.8%

Step-by-step explanation:

Answer:

48.8%

Step-by-step explanation:

Missing measurements in each triangle

Answers

Answer:

50

Step-by-step explanation:

107+23= 130

180-130= 50

You're welcome :P

50 because 107+23=130
180-130=50

Somebody who know they math,help me!!!!!

Answers

Answer:-5 to -10 to 10 to 1

Step-by-step explanation:

Answer:

C

Step-by-step explanation:

Determine whether quadrilateral ABCD with vertices A(–4, –5), B(–3, 0), C(0, 2), and D(5, 1) is a trapezoid.

Step 1: Find the slope of AB. The slope of AB is
.
Step 2: Find the slope of DC. The slope of DC is
.
Step 3: Find the slope of BC. The slope of BC is
.
Step 4: Find the slope of AD. The slope AD is
.
The quadrilateral is a trapezoid because
.

Answers

Answer:

5-1/52/32/3Only one pair of opposite sides are parallel
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