A pair of shoes is on sale for 30% off. The original price is p. Which expression can be used to find the price of the shoes after the discount? 0.30p 0.70p 1.30p 30p​

Answers

Answer 1

Answer:

0.30p

Step-by-step explanation:

(px30)/100=0.3p

Answer 2

Answer:

0.70 p

Step-by-step explanation:

If the item is 30% off, the new price is 0.7p because we want to know how much 70% of the original price was.


Related Questions

Can someone help !

Solve for x.

Answers

Answer:

3) x = -4

4) x = 9

Step-by-step explanation:

3) (x+15)+(x+16) = 23

2x+31 = 23

2x = -8

x = -4

4) (2x-12)+1 = (x-2)

2x-11 = x-2

x = 9

hello help please i’ll mark brainliest!!! thankss

Answers

Answer:

Milky way galaxy

Step-by-step explanation:

Mark me branliest please<3

the milky way galaxy !

For which of these variables would you be interested in finding the biserial correlation coefficient rather than the point-biserial correlation coefficient?

Answers

Answer:

The formula for the point biserial correlation coefficient is:

point biserial correlation formula

M1 = mean (for the entire test) of the group that received the positive binary variable (i.e. the “1”).

M0 = mean (for the entire test) of the group that received the negative binary variable (i.e. the “0”).

Sn = standard deviation for the entire test.

p = Proportion of cases in the “0” group.

q = Proportion of cases in the “1” group.

Most people won’t work this formula by hand as most statistical software packages can calculate the coefficient for you.

help help help help help help help help

Answers

i think it’s b but possibly d
the second choice in the second row is the answer

what two numbers multiply to 56 and add to -15

Answers

Answer:

-7 and -8  

Step-by-step explanation:

because 7 times 8 equals 56 and negative times a negitive equals a positive and -7 added to -8 equals -15

The pair of numbers which fulfill the given condition 2.6 & -1.76

and -17.6 & 2.6.

What is a quadratic equation ?

An equation is quadratic in form if it can be written in the form of ax + bx + c = 0, where a, b, and c are constants and x is the variable.

Let x and y be the two numbers we're trying to find. We know that:

x * y = 56 (equation 1)

x + y = -15 (equation 2)

y = -15 - x (equation 3)

Substituting equation 3 into equation 1, we get:

x * (-15 - x) = 56

-x² - 15x + 56 = 0

x² + 15x - 56 = 0

Using the quadratic formula, we get:

x = (-b ± √(b² - 4ac)) / 2a

where a = 1, b = 15, and c = -56.

Substituting the values, we get:

x = (-15 ± 20.2) / 2

x = (-15 + 20.2) / 2 = 2.6

x = (-15 - 20.2) / 2 = -17.1

For x = 2.6:

y = -15 - x = -15 - 2.6 = -17.6

So, one possible pair of numbers is x = 2.6 and y = -17.6.

For x = -17.1:

y = -15 - x = -15 - (-17.1) = 2.1

So, another possible pair of numbers is x = -17.1 and y = 2.1.

Therefore, the two numbers that multiply to 56 and add to -15 are approximately -17.1 and 2.6, or vice versa.

To know more about quadratic equation check:

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which is an answer to the following equation?
a/6 =7

1. a=13
2. a=1
3. a=42
4. a=1 1/6

Answers

Answer:

3. a =42

Step-by-step explanation:

2 ways you can go about this, you can either multiply 7x6 to get 42 as your answer. Or you can go through the options and divide each by 6 until eventually you'll find the one option that equals 7 which you would find is choice 3 a = 42

Pls help I’m in a call by myself with my math teacher help asap

Answers

Answer:a

Step-by-step explanation:

2(10*6)+2(6*19)+2(10*19)=728

Express as a trinomial.
(x-3)(3x+6)

Answers

Answer:

3x^2 - 3x + 18

Step-by-step explanation:

x*3x=3x^2

(x*6)+(-3*3x)=-3x

-3*6=-18

Will give brainiest to correct answer


40x + 45

Answers

Answer:

x= 1.125

Step-by-step explanation:

first we want to get the variable by itself so divide

just divide 45 by 40

1.125 is the answer

What is the general form of the equation for the given arce centered at 00.02
OA + 7 + 41=0
OB. 77-41=0
Oc 77 + x + y - 41=0
OD 7 7x-y-41=0

Answers

Answer:

C

Step-by-step explanation:

I think so

HELP PLEASE!!!!!!!!!!!!!!!!

Answers

Answer:

only if you help me i can help you if you help me

Step-by-step explanation:


Henri paid $24 for 5 frozen dinners. How much would 20 dinners cost

Answers

Answer:

96 dollars....

Step-by-step explanation:

divide 24 by 5

which is 4.8

which represents that it costs 4 dollars and 80 cents for one dinner

multiply 4.8 and 20

which is 96

Simple all y have to do is multiply 24*20 and the answer would be 48 or 480 dollars (can’t see it on my calculator really good) REALPY SOREY IF IM WRONG

UHHHHH IM GONNA FAIL MATH YALL

Just answer it ig-?
I WILL MARK AS BRAINLIEST

Answers

Answer:

30.96 m^2

Step-by-step explanation:

Side length of the square is also the diameter of the semicircle so:

r = 0.5 * 12 m = 6 m

Since you want the area of the shaded area, you have to subtract the area of both semi circles from the area of the square:

Square Area - Semi Circle Area - Semi Circle Area = Shaded Region Area

(12 m * 12 m) - (0.5 * 3.14 * 6^2 m) - (0.5 * 3.14 * 6^2 m)

= 144 - 56.52 - 56.52

= 30.96 m^2

Which function is shown in the table below?

Answers

I believe it is an exponential function.

Solve the pair of simultaneous equations and leave the answer as a fraction in

its lowest term. 2x − 3 = y, x+ y= 8​

Answers

Answer:

x = 11/3 = 3 2/3

y = 13/3 = 4 1/3

Step-by-step explanation:

Here, we want to solve the system of equations simultaneously

x + y = 8

2x -3 = y

From the second equation, we have an equation for y

we can simply proceed to substitute this into the first equation

x + 2x - 3 = 8

3x - 3 = 8

3x = 8 + 3

3x = 11

x = 11/3

Recall;

y = 2x - 3

y = 2(11/3) - 3

y = 22/3 - 3

y = (22-3(3))/3

y = (22-9)/3 = 13/3

someone help it’s timed!!!

Answers

Answer:

p=195

Step-by-step explanation:

If m = 65 and v = 3,

when two variables are together like that, that means you multiply,

65*3 = 195

Answer:

195

Step-by-step explanation:

p=mv

p=65 times 3

p=195

Maia walks 12 miles. Then she walks 1/4 of that distance.

Answers

Answer:

12×0.25 is definitely right

×0.25 is another way of finding a quarter of something. I looked at the other answers and I think this one is the only correct one

I ned to no what es 5 + 6 for my kindergardin

Answers

Answer:

11

Step-by-step explanation:

5+6=11

Have a great day!!!

Water freezes at 0 degrees Celsius. A student discovered that adding half a cup of salt to a gallon of water lowers its freezing temperature by 7 degrees Celsius. What is the freezing temperature of the gallon of salt water?

Answers

Answer:

-7°C

Step-by-step explanation:

Freezing point of water = 0°C

By adding salt, freezing point lowers by 7°C ;

The freezing point of salt water can be expressed as ;

Since temperature lowers :

Freezing point of salt water :

Freezing point of water - 7°C

0°C - 7°C

= - 7°C

PLS HELP ME FIND MEASURE AED

Answers

Answer:

C=D=58

B=A=35

AEC=BED=180-(58+35)

=87

AED=BEC=(360-174)/2

=93

AED=93

Identify the percent of change as an increase or a decrease: 1/3 to 2/3


Answers

Answer:

100% increase

Step-by-step explanation:

please help me on this ​

Answers

Answer:

40 inches

Step-by-step explanation:

16 * (30/12) = 40

Answer:

PQ = 40

Step-by-step explanation:

First, set up a proportion:

[tex]\frac{12}{16} =\frac{30}{x}[/tex]

Then, cross-multiply and solve:

[tex]12x = 16(30)[/tex]

[tex]12x = 480\\\\\frac{480}{12x} \\\\PQ = 40[/tex]

Hope this helped!

1.) The graph of g(x) = ax? opens downward and is narrower than the graph of f(x) = x? Which of the following
could be the value of a?
a. 5
b. 0.5
C. -5
d. -0.5​

Answers

Answer:

C. -5

Step-by-step explanation:

for g(x) =ax and f(x) = x, both are linear function. There is nothing to be upward or downward and both are lines nothing to compare its narrowness.

If g(x) = ax² vs f(x) = x²

Then a = -5 is the answer (-: downward and 5: vertical stretch)

The Washington Monument is an obelisk with a square pyramid top. The slant height of the pyramid is 55.5 feet, and the square base has sides of 34.5 feet. Find the surface area of the pyramid.​

Answers

the answer to your question is 3829.5 ft^2

A diver is 50 ft below sea level. Which integer correctly represents the situation?

Answers

Answer:

50 feet below sea level. First, look for keywords. The word “below” means you will need to use a negative integer. The answer is -50.

Step-by-step explanation:

hope this helps...

(─‿─)

Negative integers are used to represent values below zero, and in this context, "-50" represents a depth of 50 feet below the sea level.

In the context of sea level and vertical position, we often use positive and negative numbers to represent positions above or below a reference point, which is usually considered to be sea level.

When we say the diver is 50 feet below sea level, it means the diver is at a depth of 50 feet under the surface of the sea. In this case, we use negative numbers to represent positions below sea level.

So, if we consider sea level as the reference point (zero level), the number line extends in both positive and negative directions. Positive numbers represent positions above sea level, and negative numbers represent positions below sea level.

Since the diver is 50 feet below sea level, we represent this as -50. The negative sign indicates that the diver is below the reference point (sea level), and the absolute value of 50 represents the depth of 50 feet.

Therefore, the integer -50 correctly represents the situation of a diver being 50 feet below sea level.

To know more about sea level.

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a line passes through the point (-4 , -5) and has a slope of -5/4. Write an equation in slope - intercept form of this line

Answers

Answer:

y=-5/4x-10

Step-by-step explanation:

(✿◡‿◡) <-- she wants Brainliest

x=a+b+4 and a is inversely proportional to y²; b is inverseley propotional to 1/y. when y = 2 x = 18 and when y = 1 x = -3. find x when y = 4​

Answers

Answer:

When y = 4, x is equal to 39

Step-by-step explanation:

The given parameters are;

x = a + b + 4

a ∝ 1/y²

b ∝ 1/(1/y) = y

When y = 2, x = 18

When y = 1, x = -3

Therefore, we have;

a·y² = j

a = j/y²

b ∝ 1/(1/y)

∴ b ∝ y

b = k·y

When y = 2, x = 18, we have;

a = j/y² = j/2² = j/4

b = k·y = k·2

x = a + b + 4

∴ 18 = j/4 + k·2 + 4...(1)

When y = 1, x = -3, we have;

a = j/y² = j/1² = j

b = k·y = k·1 = k

x = a + b + 4

∴ -3 = j + k + 4...(2)

Making 'j', the subject of equation (1) and (2) gives;

From equation (1), we have;

18 = j/4 + k·2 + 4

∴ j = (18 - 4 - k·2) × 4 = 56 - 8·k

From equation (2), we have;

-3 = j + k + 4

∴ j = -3 - 4 - k = -7 - k

Equating the two values of 'j', gives;

56 - 8·k = -7 - k

56 + 7 = 8·k - k

63 = 7·k

k = 63/7 = 9

k = 9

From equation (2), we get;

-3 = j + k + 4

k = 9

∴ -3 = j + 9 + 4

j = -3 - 9 - 4 = -16

j = -16

When y = 4, we get;

x = a + b + 4

a = j/y²

b = k·y

∴ x = j/y² + k·y + 4

Plugging in the values of 'j', and 'k' and y = 4, gives;

x = (-16)/y² + 9·y + 4

∴ x = (-16)/4² + 9 × 4 + 4 = 39

x = 39

Therefore;

When y = 4, x = 39.

How many times larger is 6 × 1011 than 2 × 10-5?
A.
3 × 1016
B.
3 × 1055
C.
3 × 10-55
D.
3 × 10-16

Answers

Answer:

A. 3 x 1016

I hope its help for you

What is the equation of the line that passes through the point (-3,2) and has an
undefined slope?

Answers

Answer x= -3
Hope this helps :)
X= -3 Utgyfctxtdtcycffy


Seven less than a number is 18

Answers

X-7=18
+7 to both side
X=25
hello!

Let the number be n.

Now, "seven less than a number" means we subtract 7:-

n-7

This expression is equal to 18:-

[tex]\sf{n-7=18}[/tex]

[tex]\mathcal{SOLUTION:-}[/tex]

Add 7 to both sides:-

[tex]\bigstar{\boxed{\pmb{n=25}}}[/tex]

note:-

Hope everything is clear; if you need any clarification/explanation, kindly let me know, and I will comment and/or edit my answer :)

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