Find the x-intercept and y-intercept of this equation.

y = 4x + 7

Question 10 options:

x-intercept (4,0), y-intercept (0,7)


x-intercept (-7,0), y-intercept (0,-4)


x-intercept (7/4, 0), y-intercept (0,-4/7)


x-intercept (-7/4, 0), y-intercept (0,7)

Your percentage score would be 85% if you completed the quiz and received 34 out of a possible 40 points.

A percentage is a means to represent a piece of 100 as a ratio or percentage. The sign for it is % (percent), which stands for "per hundred." If you state, for instance, that 50 out of 100 people like chocolate, then means that 50 out of 100 people, or 0.5 (50/100), like chocolate overall. In several disciplines, including finance, business, mathematics, and statistics, percentages are frequently used.

Part A:

Say we decide to set the number of points gained on the quiz at 40. The following formula is used to determine your percentage score if the quiz was worth a total of 40 points and you received 34 of them:

(Points earned / Total Points) x 100% is the percentage score.

Score in percentage: (34 / 40) x 100%

Score in percentages: 85%

Your percentage score would be 85% if you completed the quiz and received 34 out of a possible 40.

Part B:

You would receive a B on the specified grading scale based on the percentage score of 85%. The percentage score gained in section A falls within the range required for a B grade on the grading scale, which is awarded for percentage scores between 80% and 89%.

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A rational number between 8/10 and 1/8 is 37/80.

We know that a rational number between two rational numbers can be given by finding the average of the two given numbers:

The numbers are 8/10 and 1/8.

Let's simplify the fractions first:

8/10 = 4/5 (dividing both numerator and denominator by 2)

1/8 = 1/8 (already in simplest form)

Average = [tex](\frac{4}{5} + \frac{1}{8})/2[/tex]

              = [tex](\frac{(4*8) + (5*1)}{40} )/2[/tex]

             = [tex](\frac{37}{40}) /2[/tex]

             = [tex]\frac{37}{80}[/tex]

So, the rational number halfway between 8/10 and 1/8 is 37/80.

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Answer:

1.x=7 or x=-7

2.x=root of 65 or x=-root of 65

Step-by-step explanation:

I have put what I mean by root 65

Answer:  Maria is 12 years old, Jonas is 6 years old, and Franklin is 3 years old.

Step-by-step explanation:  Let's start by assigning variables to represent the ages of Maria, Jonas, and Franklin.

Let's use the variable "M" to represent Maria's age.

Let's use the variable "J" to represent Jonas's age.

Let's use the variable "F" to represent Franklin's age.

From the problem statement, we know that:

Maria is twice the age of Jonas: M = 2J

Jonas is twice the age of Franklin: J = 2F

Franklin is 2 years less than half of Maria's age: F = 0.5M - 2

We can use these equations to solve for the ages of Maria, Jonas, and Franklin.

First, we can substitute J = 2F into the equation M = 2J to get M = 2(2F) = 4F.

Next, we can substitute this expression for M into the equation F = 0.5M - 2 to get F = 0.5(4F) - 2, which simplifies to 2F = 6 and therefore F = 3.

Now that we know Franklin's age, we can use the equation J = 2F to find Jonas's age: J = 2(3) = 6.

Finally, we can use the equation M = 2J to find Maria's age: M = 2(6) = 12.

Therefore, Maria is 12 years old, Jonas is 6 years old, and Franklin is 3 years old.

Answer:

1/2

Step-by-step explanation:

The probablility of any number on a die is 1/6.

So the numbers 4, 2, and 1 each have a probability of 1/6 meaning that each have a total probability of: 1/2. 3 is not accounted for due to our restriction.

Answer:

No

Step-by-step explanation:

to grap (-5,5) do not start at (0,0)

-5 is at the x axis so start it at (-0) then for 5 its juts (0) so (-0,0)

Answer:

A) 5x+32=67

Rebecca is 7, Mary is 15, and Jill is 45

Step-by-step explanation:

Rebecca is x years old.

If Mary is 8 years older than Rebecca, Mary's age is 8 more than x.

We can write Mary's age as:

x+8

Jill is three times older than Mary.

This means that Jill's age is equal to three times x+8.

We can write Jill's age as:

3(x+8)

Use the distributive property.

3(x+8)=

3x+24

So, Jill's age (in terms of x) is 3x+24.

The sum of their ages is 67, so if we add all of their ages, we will get 67.

x+(x+8)+(3x+24)=67=

5x+32=67

Not sure if you want this solved, but here it is:

5x+32=67=

5x=35=

x=7

Let's find Mary's age.

x+8=

7+8=

15.

Now, let's find Jill's age.

3x+24=

3(7)+24=

21+24=

45.

So, Rebecca is 7, Mary is 15, and Jill is 45.

The statement that shows equivalent measurements is "4.5 meters = 0.0045 kilometers".

How to solve the problem?

To convert meters to kilometers, we need to divide by 1000, since there are 1000 meters in a kilometer. Therefore, 4.5 meters is equal to 4.5/1000 = 0.0045 kilometers.

The other statements are incorrect:

4.5 meters is not equal to 0.045 centimeters, since there are 100 centimeters in a meter, so 4.5 meters is equal to 450 centimeters.

4.5 meters is not equal to 0.45 decimeters, since there are 10 decimeters in a meter, so 4.5 meters is equal to 45 decimeters.

4.5 meters is not equal to 45 decameters, since there are 10 meters in a decameter, so 4.5 meters is equal to 0.45 decameters.

It is important to be able to convert between different units of measurement in order to make accurate comparisons and calculations. In this case, the correct conversion factor was used to convert meters to kilometers, resulting in an equivalent measurement.

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The possible zeros from the function would be zero.

To find all possible zeros of the polynomial f(x) = 2x³ + 3x² - 10x + 7, we can use the Rational Root Theorem.

We can test these possible zeros by plugging them into the polynomial:

f(1) = 2(1)³ + 3(1)² - 10(1) + 7 = 2

f(-1) = 2(-1)³ + 3(-1)² - 10(-1) + 7 = 12

f(7) = 2(7)³ + 3(7)² - 10(7) + 7 = 776

f(-7) = 2(-7)³ + 3(-7)² - 10(-7) + 7 = -732

f(1/2) = 2(1/2)³ + 3(1/2)² - 10(1/2) + 7 = -0.5

f(-1/2) = 2(-1/2)³ + 3(-1/2)² - 10(-1/2) + 7 = 8.5

f(7/2) = 2(7/2)³ + 3(7/2)² - 10(7/2) + 7 = 89.75

f(-7/2) = 2(-7/2)³ + 3(-7/2)² - 10(-7/2) + 7 = -83.75

None of the possible rational zeros are actual zeros of the polynomial f(x) = 2x³ + 3x² - 10x + 7.

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The full question is:

Find all possible zeros. (Enter your answers as a comma-separated list.) f(x) = 2x3 + 3x2 − 10x + 7

Answer:

Step-by-step explanation:

3x = 90 + 46 - 14

3x = 122

x=[tex]\frac{122}{3}[/tex]≈40,7

Answer: 40.6 repeated

Step-by-step explanation: combine -46 and 14 which is -32. then add 32 to 90. then divide 3 on both sides. 122/3 is 40.6 repeated

Answer:

a = 40°

Step-by-step explanation:

An isosceles triangle has two sides that are the same size. The angles opposite from those sides are equal (they are called base angles.) And, the three angles in a triangle add up to 180°

So,

100 + a + a = 180

combine like terms

100 + 2a = 180

subtract 100

2a = 80

divide by 2

a = 40

Answer:   y=4

Step-by-step explanation:

The Parent function [tex]y=a^{x}[/tex]  has a horizontal asymtote at y=0

because the function approaches 0 but never touches it no matter how small the number you input.  See image.  Asymtotes are like a boundary that is not passed

Your curve has been shifted up 4 so y=4

See image

Extra info:   y-intercept = 3000

shifted right 2

Answer:

No

Step-by-step explanation:

No, because 10 times around the route is 4200 yards, which is less than 3 miles

[tex]\textit{area of a sector of a circle}\\\\ A=\cfrac{\theta r^2}{2} ~~ \begin{cases} r=radius\\ \theta =\stackrel{radians}{angle}\\[-0.5em] \hrulefill\\ \theta =\frac{\pi }{2}\\[1em] r=\frac{8}{3} \end{cases}\implies A=\cfrac{1}{2}\cdot \cfrac{\pi }{2}\cdot\left( \cfrac{8}{3} \right)^2 \\\\\\ A=\cfrac{1}{2}\cdot \cfrac{\pi }{2}\cdot \cfrac{64}{9}\implies A=\cfrac{16\pi }{9}\implies A\approx 5.59[/tex]

To the nearest whole dollar, the antique dresser was purchased by Danielle as follows: A. purchase price: $120, advertised price: $300.

The purchase price of the antique dresser can be determined by reversing the solution from the discounted price.

The discounted price is divided by the discount factor to calculate the advertised or marked price.

Let the purchase price of the antique dresser = x

Markup = 250%

Discount = 15%

Discounted price = $255

Discount factor = 0.85 (1 - 0.15)

Marked up or advertised price = $300 ($255 ÷ 0.85)

Purchase price = $120 ($300 ÷ 2.5)

Thus, the correct option is Option A.

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Answer:

C

Step-by-step explanation:

input y=x+3 into the second equation and solve for x

-2x+y=1

so -2x +x+3 =1

solve for x

x = 2

y= 5

Answer:

Adeline has 60 notebooks and 4 children.

Step-by-step explanation:

Let's assume that Adeline has 'x' notebooks and 'y' children.

According to the given information, if Adeline gives 13 notebooks to each child, she will have 8 notebooks left. This can be represented by the equation:

x - 13y = 8 ...(1)

Similarly, if she gives 15 notebooks to each child, they will have zero notebooks left, which can be represented by the equation:

x - 15y = 0 ...(2)

We now have two equations with two variables. To solve for 'x' and 'y', we can use the method of elimination. Multiplying equation (1) by 15 and equation (2) by 13, we get:

15x - 195y = 120 ...(3)

13x - 195y = 0 ...(4)

Subtracting equation (4) from equation (3), we get:

2x = 120

x = 60

Substituting the value of 'x' in equation (2), we get:

60 - 15y = 0

y = 4

Therefore, Adeline has 60 notebooks and 4 children.

Answer: 0.2461

Step-by-step explanation:

There are 16 balls in total, and 9 of them are purple. If the first ball drawn is replaced before the second is drawn, then the number of purple balls and the number of total balls in the urn remain the same for the second draw.

The probability of drawing a purple ball on the first draw is 9/16. Since the ball is replaced, the probability of drawing a purple ball on the second draw is also 9/16.

The probability that the second ball drawn is a purple ball, given that the first ball drawn was replaced and was a green ball:

(7/16) * (9/16) = 63/256 ≈ 0.2461

Answer: The actual car length is 12ft.

Step-by-step explanation:

Actual car length = 3cm x 4ft/cm = 12ft

Answer:

Step-by-step explanation:

Step 1: FOIL

Step 2: Simplification

Step 3: Getting ready to combine like terms

Step-by-step explanation:

See image

Answer:

t = 4

Step-by-step explanation:

Use the quadratic formula to find the zeros of the function, when h(t) equals 0 that means the ball is touching the ground, giving the maximum time it took for the ball to hit the ground.

[tex]\frac{-b\frac{+}{-} \sqrt{b^2-4*a*c} }{2*a} \\\frac{-14\frac{+}{-} \sqrt{14^2-4*-4*8} }{2*-4} \\t = -0.5,4[/tex]

It takes 4 seconds, since time can not be negative

Chloe can travel 4.4 miles less than Jin on one gallon of gas.

A proportional relationship is a type of relationship between two quantities in which they maintain a constant ratio to each other.

The equation that defines the proportional relationship is given as follows:

y = kx.

In which k is the constant of proportionality, representing the increase in the output variable y when the constant variable x is increased by one.

Chloe travels 93 miles on 5 gallons of gas, hence the constant is given as follows:

k = 93/5

k = 18.6 miles per gallon.

Jin's ratio is of 23 miles per gallon, hence he can travel more and the difference is given as follows:

23 - 18.6 = 4.4 miles per gallon.

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Okay, let's break this down step-by-step:

* There are 2 white shirts, 5 black shirts, and 3 gray shirts in the drawer.

* That's a total of 2 + 5 + 3 = 10 shirts.

* We want to find the probability that the chosen shirt is NOT white.

* So there are 5 + 3 = 8 shirts that are NOT white.

* Probability = (Number of favorable outcomes) / (Total possible outcomes)

* So in this case, Probability = 8/10 = 4/5

Therefore, the probability that the chosen shirt is NOT white is 4/5.

Answer:

( Use this formula below to help you find the volume of all equations using volume)

Volume formal = L × W × H

Volume formal = 24 × 15 × 5

Answer = 24 × 15 × 5 = 1,800

Answer:

$2,602.44

Step-by-step explanation:

To find the monthly payments and the total interest for Loan A, we can use the formula for the present value of an installment loan:

PV = PMT x [1 - (1 + r/n)^(-nt)] x (n/r)

where PV is the present value of the loan, PMT is the monthly payment, r is the annual interest rate, n is the number of times interest is compounded per year, and t is the number of years of the loan.

For Loan A, we have:

PV = $14,000

r = 0.051 (5.1% as a decimal)

n = 12 (monthly payments)

t = 3

Substituting these values into the formula and solving for PMT, we get:

PMT = PV / ([1 - (1 + r/n)^(-nt)] x (n/r))

= 14000 / ([1 - (1 + 0.051/12)^(-12*3)] x (12/0.051))

= $417.79

So the monthly payment for Loan A is $417.79.

To find the total interest paid over the life of the loan, we can simply multiply the monthly payment by the total number of payments and subtract the original loan amount:

Total interest = PMT x (nt) - PV

= 417.79 x (3 x 12) - 14000

= $2,602.44

Therefore, the total interest paid for Loan A is $2,602.44.

a) The area of the triangle is 13.3 square units.

b) The area of the rectangle is 57.4 square units.

Let's start with the triangle. The area of a triangle can be calculated by multiplying its base and height and then dividing the result by 2. In your case, the base of the triangle is 7 units and the height is 3.8 units. Therefore, the area of the triangle can be calculated as:

Area of triangle = (Base × Height) ÷ 2

= (7 × 3.8) ÷ 2

= 13.3 square units

Now, let's move on to the rectangle. The area of a rectangle can be calculated by multiplying its length and width. In your case, the width of the rectangle is 7 units and the height is 8.2 units. Therefore, the area of the rectangle can be calculated as:

Area of rectangle = Length × Width

= 8.2 × 7

= 57.4 square units

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The Volume of stock solution needed = 1 mL

Molarity of stock solution (M1) = 1.50 M

The volume of stock solution needed (V1) = to be calculated

Molarity of diluted solution (M2) = 0.0750 M

The volume of diluted solution (V2) = 20 mL

M1V1 = M2V2

Volume of stock solution (V1) = M2V2 / M1 = (0.075 M x 20 mL) / (1.5 M) = 1 mL

So; the Volume of stock solution needed = 1 mL

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The theoretical probabilities are: 0.15, 0.15, and 0.05 respectively

Probability is a branch of mathematics concerned with the analysis of random phenomena

The given parameters that will help us to get the probabilities are

25% are stakeholders

20% have dark hair

The probability of being stakeholders 20%/25%

= 0.20/0.25 = 0.

b)  1-0.8 * 1.0.25

0.2 * 0.75 = 0.15

c.  0.2 * 0.75 = 0.15

d.  Has light hair and is a stakeholder

0.20 * 0.25

= 0.05

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