Answer:
okjdidjdjxkxkkxkxjcjfnfmJnxmsjsnskxnx
Katie is selling lemonade for $1.50 per cup. She
decides to put them on sale for $0.90. What percent
discount did she give on her lemonade?
Answer:
60 percent
Step-by-step explanation:
just do 90/150, and yo get 60 percent
A 2-column table with 4 rows. The first column is labeled x with entries negative 5, 1, 4, 6. The second column is labeled y with entries 9, 0, negative 7, negative 1.
What is the range of the given function?
{x | x = –5, 1, 4, 6}
{y | y = –7, –1, 0, 9}
{x | x = –7, –5, –1, 0, 1, 4, 6, 9}
{y | y = –7, –5, –1, 0, 1, 4, 6, 9}
The range of the given function is B. {y | y = –7, –1, 0, 9}
How to illustrate the information?It should be noted that ee usually denote independent variable as x and dependent variable as y.
The range of a function is basically the set of all resulting y-values.
Given the first column is labeled x with entries - 5, 1, 4, 6. The second column is labeled y with entries 9, 0,-7, -1.
Then, the range of the given function = values in second columns
i.e. Range={y | y = –7, –1, 0, 9} [Arranged in order].
In conclusion, the correct option is B.
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A shipping company charges based on calculations of the volume of a rectangular box and the sum of the dimensions of the box. A square rectangular prism has a side length represented by the linear function f(x), and a height represented by the linear function g(x). Which statement describes the combined functions V(x) and S(x)? The volume function is linear but the sum function is not. The sum function is linear but the volume function is not. Both the volume function and the sum function are linear. Neither the volume function nor the sum function is linear.
The statement that describes the combined functions V(x) and S(x) is B. The sum function is linear but the volume function is not.
How to illustrate the information?It should be noted that we are given that f(x) and g(x) are linear. Due to this, the sum function S(x) is linear.
And we know the shape of our figure, so we just need to multiply the dimensions for V(x) but the product of three linear functions results in a cubic function, and we conclude V(x) is not linear.
Therefore, the statement that describes the combined functions V(x) and S(x) is that the sum function is linear but the volume function is not.
In conclusion, the correct option is B.
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Zane has 5 2/5 of soil for his garden. Each bag of soil will cover 20 square feet. How many square feet will zane be able to cover if he uses all these bags of soil?
Solve the literal equation for y y+x=11
Answer: y = 11-x
This is the same as y = -x+11
To get either result, we subtract x from both sides of the original equation. This is to undo the plus x.
HELP ME SOLVE THIS!!!!! GETS BRAINLIST AND 100 POINTS
Scale Factor: A measure for similar figures.
Similar Figures: Two figures which are same in shape. these shapes do not have the same size as shapes with the same shape and size are congruent.
Finding the scale Factor: The scale factor can be found by dividing the dimension of the new shape by the dimension of the old shape.
21 ÷ 6 = 3.5
The scale factor would be 3.5
Now we can use this scale factor to find the dimension of the smaller rectangle.
52.5 cm ÷ 3.5 = 15 cm
The dimension of the smaller rectangle is 15 cm
We can check the answer by multiplying the new found dimension by the scale factor:
15 cm x 3.5 = 52.5 cm
∴ The scale factor is 3.5
∴ The dimension of the smaller rectangle is 15 cm
Mrs Rama uses three types of fruit juice for a party. The ratio of the amount of watermelon juice to the amount of apple juice is 4: 9. The Ratio of the amount of apple juice to the amount of orange juice is 27: 14. Find the ratio of the amount of watermelon juice to the amount of apple juice to the amount of orange juice in its simplest form
the ratio of the amount of watermelon juice to the amount of apple juice to the amount of orange juice in its simplest form is 12 : 27 : 14.
The ratio of the amount of watermelon juice to the amount of apple juice = 4 : 9
This can also be written as:
4 × 3 : 9 × 3
12 : 27
The ratio of the amount of apple juice to the amount of orange juice = 27 : 14
Now, the ratio of the amount of watermelon juice to the amount of apple juice to the amount of orange juice will be:
Ratio = 12 : 27 : 14
Therefore, the ratio of the amount of watermelon juice to the amount of apple juice to the amount of orange juice in its simplest form is 12 : 27 : 14.
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A tire company measures the tread on newly-produced tires and finds that they are normally distributed with a mean depth of 0.98mm and a standard deviation of 0.35mm. Find the probability that a randomly selected tire will have a depth less than 0.70mm. Would this outcome warrant a refund (meaning that it would be unusual)?
Probability of 0.79 and would not warrant a refund
Probability of 0.21 and would not warrant a refund
Probability of 0.79 and would warrant a refund
Probability of 0.21 and would warrant a refund
The probability of 0.21 and would not warrant a refund. Therefore, option A is the correct answer.
Given that, mean depth =0.98 mm, standard deviation =0.35 mm.
What is a standard deviation?In statistics, the standard deviation is a measure of the amount of variation or dispersion of a set of values. A low standard deviation indicates that the values tend to be close to the mean of the set, while a high standard deviation indicates that the values are spread out over a wider range.
We are given that the distribution of tire tread is a bell-shaped distribution that is a normal distribution.
Formula: [tex]Z_{score}=\frac{x-\mu}{\sigma}[/tex]
Here, P(depth less than 0.70 mm)
P(x < 0.70)
Then, P(x < 0.70)=P(z<(0.70-0.98)/0.35)
=P(z<(-0.8)
Calculating from the normal z table, we get P(z<(-0.8)=0.212
≈0.21
Thus, the probability of 0.21 and would not warrant a refund. Therefore, option A is the correct answer.
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Which point is a solution to the system of inequalities below?
3x + 2y < 15
7x - 4y > 9
O (4,4)
O (3, 3)
O (2, 1)
O (1, 0)
The ordered pair which is a solution to the given inequality is: C. (2, 1).
What is an inequality?An inequality can be defined as a mathematical relation that compares two (2) or more integers and variables in an equation based on any of the following arguments:
Less than (<).Greater than (>).Less than or equal to (≤).Greater than or equal to (≥).Next, we would test the ordered pair with the given inequality to determine a solution as follows:
For ordered pair (4, 4), we have:
3x + 2y < 15
3(4) + 2(4) < 15
12 + 8 < 15
20 < 15 (False).
For ordered pair (3, 3), we have:
3x + 2y < 15
3(3) + 2(3) < 15
9 + 6 < 15
15 < 15 (False).
7x - 4y > 9
7(3) - 4(3) > 9
21 - 12 > 9
9 > 9 (False)
For ordered pair (2, 1), we have:
3x + 2y < 15
3(2) + 2(1) < 15
6 + 2 < 15
8 < 15 (True).
7x - 4y > 9
7(2) - 4(1) > 9
14 - 4 > 9
10 > 9 (True)
For ordered pair (1, 0), we have:
3x + 2y < 15
3(1) + 2(0) < 15
3 + 0 < 15
3 < 15 (True).
7x - 4y > 9
7(1) - 4(0) > 9
7 - 4 > 9
3 > 9 (False)
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m = -7.6, y-intercept
(0,2/5)
Answer:12
Step-by-step explanation:
cuz yes
If a is -3 then what is a squared
Answer:
a = -3
(-3)² = -9
Answer: -9
Step-by-step explanation:
-3 x -3 = -9
(I think)
Give the slope and the
y
intercept of the line
8
x
−
9
y
=
−
4
.
The slope of the line, m = 8/9.
The y-intercept of the line, b = 4/9.
How to Find the Slope and Y-intercept of a Line?An equation that represents a line can be expressed in slope-intercept form as, y = mx + b, where we have the following:
Slope = m
Y-intercept = b.
Given that a line is represented by the equation, 8x - 9y = -4, rewrite the equation in slope-intercept form:
8x - 9y = -4
8x - 9y - 8x = -8x - 4 [subtraction property of equality]
-9y = -8x - 4
-9y/-9 = -8x/-9 - 4/-9 [division property of equality]
y = 8/9x + 4/9
Therefore:
The slope of the line, m = 8/9.
The y-intercept of the line, b = 4/9.
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Macmillan Learning
The table contains information on the price per month and the monthly demand and supply of online music streaming
subscriptions.
Price Quantity demanded (thousands)
$9.80
270
$10.00
230
$10.20
180
$10.40
100
What is the quantity demanded at $10.20?
What is the quantity supplied at $10.20?
At what price
the quantity supplied equal to 200,000?
Using linear functions and the given table, it is found that:
The quantity demanded at $10.20 is of 170,000 of subscriptions.The quantity supplied at $10.20 is of 290,000 of subscriptions.The quantity supplied will be equal to 200,000 at a price of $9.87.What is a linear function?A linear function is modeled by:
y = mx + b
In which:
m is the slope, which is the rate of change, that is, by how much y changes when x changes by 1.b is the y-intercept, which is the value of y when x = 0, and can also be interpreted as the initial value of the function.From the table, we have that:
The quantity demanded at $10.20 is of 170,000 of subscriptions.The quantity supplied at $10.20 is of 290,000 of subscriptions.For the supply equation, we have two points:
(9.8, 190), (10, 220).
Hence the slope is given by:
m = (220 - 190)/(10 - 9.8) = 150.
Hence:
y = 150x + b.
When x = 9.8, y = 190, hence:
190 = 150(9.8) + b
b = -1280.
Hence:
y = 150x - 1280.
We want to find x when y = 200, hence:
200 = 150x - 1280
x = 1480/150
x = $9.87.
The quantity supplied will be equal to 200,000 at a price of $9.87.
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Find the area of the figure. RIGHT ANSWERS ONLY
Answer:
56 yd²
Step-by-step explanation:
You cut up the figure into 2 distinctive rectangles where it looks like one small rectangle is intersecting a larger one.
So you would do
4(4 + 4 + 4) = 4(12) = 48 yd²
2(4) = 8 yd²
Add
8 + 48 = 56
56 yd²
Hope this helps! :)
What is the equation, in point-slope form, of the line that
is parallel to the given line and passes through the point
(-3, 1)?
Oy-1=-(x+3)
Oy-1=-(x+3)
Oy-1= (x+3)
Oy-1= (x+3)
The equation, in point-slope form, of the line that is parallel to the given line and passes through the point (−3, 1) is y - 1 = 3/2(x+3)
What is point slope form?One of the most popular ways to represent a linear equation is in point-slope form, which has the following structure:
y - y1 = m(x - x1) (x - x1),
where (x1, y1) is a point on the line, m is the slope, and x and y are variables that denote further points along the line. When one point on the line and the slope are known, the point-slope form can be employed. Given that at least one point and the slope of the line are known, it is helpful for locating further points on a line.
According to the given values;
Equation of a line in point-slope form
The equation of a line in point-slope form is expressed as:
y-y0 = m(x-x0)
where:
m is the slope
(x0,y0) is the point on the line
The slope of the given line is as shown:
Slope = 2-(-4)/2-(-2)
Slope = 2+4/2+2
Slope = 6/4 = 3/2
Substitute the slope and the point
y - 1 = 3/2(x-(-3))
y - 1 = 3/2(x+3)
Hence the equation, in point-slope form, of the line that is parallel to the given line and passes through the point (−3, 1) is y - 1 = 3/2(x+3)
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g(a)=3a-2 find g(1),g(-2)
Answer:
1 and -8
Step-by-step explanation:
g(1) = 3*1-2
= 3-2
= 1
g(-2) = 3*-2-2
= -6-2
= -8
The required value of the function at g(1) and g(-2) are 1 and -8 respectively.
Given that,
g(a) = 3a - 2
To determine the value function at a = 1 and a = -2
Functions is the relationship between sets of values. e g y=f(x), for every value of x there is its exists in a set of y. x is the independent variable while Y is the dependent variable.
Here,
Given function is,
g(a) = 3a-2
at a = 1
g(1) = 3 * 1 - 2
g(1) = 3 - 2
g(1) = 1
Now,
at = -2
G(-2) = 3 * -2 - 2
G(-2) = -6 - 2
g(-2) = -8
Thus, the required value of the function at g(1) and g(-2) are 1 and -8 respectively.
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Match the polynomial on the left with the appropriately factored expression on the right.
4x² + 18x
2x(2x + 1)
4x² + 2x + 18x +9
2x(2x + 9)
(2x + 1)(2x +9)
(2x + 3)(2x + 3)
The polynomials that match with other equivalent expressions are :
(a) → (iii), (b) → (ii), (c) → (iv), (d) → (i)
Consider the polynomials,
(a) 4x² + 18x (i) 2x(2x + 1)
(b) 4x² + 2x + 18x +9 (ii) (2x + 1)(2x +9)
(c) (2x + 3)(2x + 3) (iii) 2x(2x + 9)
(d) 4x² + 2x (iv) 4x² + 12x + 9
Now,
Consider the polynomial 2x(2x + 1),
2x(2x + 1) = 2x(2x) + 2x(1)
2x(2x + 1) = 4x² + 2
Therefore, (d) is equal to (i).
Consider the polynomial 2x(2x + 9),
2x(2x + 9) = 2x(2x) + 2x(9)
2x(2x + 9) = 4x² + 18x
Therefore, (a) is equal to (iii).
Consider the polynomial (2x + 1)(2x +9) ,
(2x + 1)(2x +9) = (2x)(2x) + (2x)(9) + (2x)(1) + 9
(2x + 1)(2x +9) = 4x² + 18x + 2x + 9
Therefore, (b) is equal to (ii).
Consider the polynomial (2x + 3)(2x + 3),
(2x + 3)(2x + 3) = (2x)(2x) + (2x)(3) + (3)(2x) + 9
(2x + 3)(2x + 3) = 4x² + 12x + 9
Therefore, (c) is equal to (iv).
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The complete question is mentioned below:
Match the polynomial on the left with the appropriately factored expression on the right.
(a) 4x² + 18x (i) 2x(2x + 1)
(b) 4x² + 2x + 18x +9 (ii) (2x + 1)(2x +9)
(c) (2x + 3)(2x + 3) (iii) 2x(2x + 9)
(d) 4x² + 2x (iv) 4x² + 12x + 9
Hans went to a store and bought 3 items. Each item costs the same. He spent $21. How much did each item cost?
Answer:
$7
Step-by-step explanation:
If the total spending is $21, and he bought 3 items, we have to divide 21 by 3 and that makes 7
Hope it helped!
Answer:
7
Step-by-step explanation:
because each item is the same
let the item be 3x=21(given)
so x=21/3
therefore x = 7
come on this is easy
Write in Interval form/notation
Answer: (-∞, -1] and (0, 2)
Step-by-step explanation:
Can't compare f(x) = x+1 when x<=0 with g(x)=x+1 when x>-1 since the functions are equal between -1<x<=0.
Compare f(x) = 3 when x>0 with g(x)=x+1 when x>-1
g(x) can't be greater than or equal to f(x):
g(x)<f(x)
x+1<3
x+1-1<3-1
x<2 and x>0 ==> 0<x<2
0<x<2 ==> (0, 2) ==> x is between 0 and 2 not including 0 and 2.
Compare f(x) = x+1 when x<=0 with g(x)=2x when x<=-1. Both equations have common x-values at x<=-1.
g(x)<f(x)
2x<x+1
2x-x<x-x+1
x<1 and x<=-1 ==> x<=-1
x<=-1 ==> (-∞, -1] ==> x is between -∞ and -1 not including -∞ but including -1.
(-∞, -1] and (0, 2)
what would be the answer to this (9-3×2)²
144?
9
Step-by-step explanation:
PEMDAS
inside parentheses we have 3*2 = 6
9-6 =3
3^2 = 9
H(x)=x^2-3x find h(-7)
Answer: h(-7)=70
Step-by-step explanation:
h(x)=x^2-3x
h(-7)=(-7)^2-3(-7)
h(-7)=49-(-21)
h(-7)=49+21
h(-7)=70
Write in slope - intercept form
14x -7y = 21
Answer: y = 2x - 3
Step-by-step explanation:
y = mx + b
y + 2x - 3
Can you solve the question please…..
Answer:
the answer is 0.888
Which is 8÷9
Answer: The answer is B: 0.88888888888
Step-by-step explanation:
write the equation of the line that passes through the points (1, 7) and (-3, -1)
Answer:
y = 2x + 5
Step-by-step explanation:
The slope is
[tex]\frac{-1-7}{-3-1}=2[/tex]
Substituting into point-slope form, we get the equation to be
[tex]y-7=2(x-1)[/tex]
which rearranges into slope-intercept form as:
[tex]y-7=2x-2 \\ \\ y=2x+5[/tex]
Find the slope of the line passing through the points 2, 5 and −8, 4.
Answer:
10.
Step-by-step explanation:
1) formula of the required slope is:
[tex]slpoe=\frac{y_2-y_1}{x_2-x_1};[/tex]
2) according to the formula above:
[tex]slope=\frac{2+8}{5-4}=10.[/tex]
P.S. x₁=2; x₂=-8; y₁=5; y₂=4.
100 points help me and answer ALL the questions right trolls get banned
Using translation concepts, it is found that:
The coordinates of P' are (-5,3).The coordinates of the new triangle are P'(5,3), K'(3,1) and Y'(1,4).The new coordinates of the dilated triangle are: A'(2,2), B'(10,4) and C'(6,10).The new coordinates of C' are (-1,-5).The bottom-right image(the one that is already marked) represents a translation.What is a translation?A translation is represented by a change in the function graph, according to operations such as multiplication or sum/subtraction either in it’s definition or in it’s domain. Examples are shift left/right or bottom/up. Other types of transformations are rotations or dilation.
For the first question, the rule for a reflection over the x-axis is given by:
(x,y) -> (x,-y).
Then:
P': (-5,-3) -> (-5,3).
The coordinates of P' are (-5,3).
For the second question, the rule for a 180º clockwise rotation about the origin is given by:
(x,y) -> (-x,-y).
Hence:
P': (-5,-3) -> (5,3).K': (-3,-1) -> (3,1).Y': (-1,-4) -> (1,4).Hence:
The coordinates of the new triangle are P'(5,3), K'(3,1) and Y'(1,4).
For a dilation by a scale factor of 2, every coordinate is multiplied by 2, hence:
A': (1,1) -> (2,2).B': (5,2) -> (10, 4).C': (3,5) -> (6, 10).The new coordinates of the dilated triangle are: A'(2,2), B'(10,4) and C'(6,10).
The rule for a translation 5 units down is:
(x,y) -> (x, y - 5).
Hence:
(-1,4) -> (-1,-5).
The new coordinates of C' are (-1,-5).
For the final question, a translation is when just the position of the image changes up/down, having no changes in size or orientation, hence:
The bottom-right image(the one that is already marked) represents a translation.
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What is the slope of the line passing through the points (-3, 4) and (2, - 1)?
A.-1
B.3/5
C.-5/3
D.1
Answer:
A) -1
Step-by-step explanation:
I need help with this stat
Answer:
2,835
Step-by-step explanation:
63 x 5 = 315
63 x 4 = 252
315
+2520
2835
Sandra has 4³ jars of honey and each one sells for 42 dollars. How much money
will she make if she sells them all?
o Exponent Expression Model:
o Simplify and tell how much money she will earn.
1) Write the expression to model the situation (should see exponents still).
2) Show work to answer the question.
Show Your Work
Sandra has 4³ jars of honey and each one sells for 42 dollars, then if she sells total money = 2.688 * 10³ dollars.
Y = 42x is Sandra's equation.
To find her hourly rate, we need to find how much she earns in "1" hour. Since x is hours, we plug in x = 1 and find y (which is her pay).
Y = 42x
Y = 42(1)
Y = 42
Therefore, $42 is Sandra's hourly rate.
Based on the condition,
Sandra has 4³ jars of honey and each one sells for 42 dollars.
= 4³ * 42$
The expression to exponent expression model is equal to = 4³ * 42
Simplify the expression,
= 4³ * 42$
4³ means 4*4*4 = 64
We can write 64 is in this equation,
= 64 * 42$
= 2688$
= $2.688 * 10³
Hence,
The expression to model the situation is equal to = $2.688 * 10³
Therefore,
Sandra has 4³ jars of honey and each one sells for 42 dollars, then if she sells total money = 2.688 * 10³ dollars.
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A list of facts from which a c conclusion can be drawn
Answer:
fjfj dhfj dh. hfhc hfh hfh hfh hfh hcdh