Mathematics High School

please write in y=mx+b format

Answers

Answer 1

Answer:

y=2x-1

Step-by-step explanation:

Related Questions

Help me on this please

Answers

Answer: 4,4

Step-by-step explanation:

because just listen to me ;)

You started saving for a car when you were in middle school. You have done some research and discovered that it will cost you about $15,000 for a used car that would fit your needs. You were encouraged to invest some of your savings to help you get to your financial goal faster. So far you have saved $10,000. If you invest this money in a savings account with a 3% interest rate compounded annually, how long will it take to earn enough money to go purchase the car? Use the compound interest formula A = P (1 + i)n, where A is the accumulated amount, P is the principal, i is the interest rate per year, and n is the number of years.

Answers

Answer:

=> $2,833.47

Step-by-step explanation:

n = [lnA - lnP] / ln(1 + i)

n = [ln15000 - ln10000] / ln(1 + 0.03)

n = [9.6158 - 9.2103] / 0.0296

n = 13.70

13 years, 8 months and 12 Days

P = A / [(1 + i)n]

P = 15000 / [(1.03)4]

P = 15000 / 1.1255

P = $13,327.31

A = 10000 (1 + 0.04)5

A = $12,166.53

The amount of money you need to save to buy a car at $15,000 would be;

$15,000 - $12,166.53

=> $2,833.47

if h(t)=1/t divided by 1 what is h(1/2)

Answers

Answer:

2/3

Step-by-step explanation:

[tex]h(1/2)=\frac{1}{\frac{1}{2}+1} \\ \\ =\frac{2}{3}[/tex]

PLEASE HELP ME! THANK YOU! :)

Answers

Answer:

Step-by-step explanation:

I checked it and it’s right hope this helps!!

What is two over four divided by one over two

Answers

Answer:

0.25

Step-by-step explanation:

Answer:

0.25

Step-by-step explanation:

a taxi service charges an initial fee of $2.15 then charges $1.68 a mile. write a linear equation to model this situation.

Answers

The linear equation to model this situation is [tex]y=1.68x+2.15[/tex]

Linear Equation is defined as the equation having degree 1. Linear equation can be of one variable or two variable and so on...

For Example : x=5 is a linear equation in one variable.

x+y=6 is a linear equation in two variable.

Fixed charge= $2.15

Charge per mile=$1.68

Let the miles travelled by the taxi be "x'

So the total charge for "x" miles= [tex]1.68x[/tex]

Let the total charge = y

Total Charge = Fixed Charge + total Charge for "x" miles

[tex]y=2.15+1.68x[/tex]

Therefore , the linear equation to model the situation is [tex]y=2.15+1.68x[/tex]

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A number "a" less than 20.

Answers

Answer:

Step-by-step explanation:

please help me find the slope of the graph thank you a, b, c, d (picture)

Answers

Answer:

D: -75 the balloon is descending at a rate of 75ft per minute

Step-by-step explanation:

To find the slope of any graph, take two points on the graph and subtract them y/x so to get this answer is used the points (0,450) and (2,300) and subtracted the y-values over the x-values

450-300=150

0-2=-2

150/-2 = -75

that is the slope and since it is negative and the slope itself is a diagonal line going towards the x-axis you know it’s descending.

Hope this helps :)

450-300=150 hope this helps

Bus A and Bus B leave the bus depot at 5 pm. Bus A takes 30 minutes to complete its route once and bus B takes 35 minutes to complete its route once. If both buses continue to repeat their route, at what time will they be back at the bus depot together?

Answers

Answer:

8:30 pm

Step-by-step explanation:

We solve the above question using the Lowest Common Multiple Method.

We find the Multiples of 30 minutes and 35 minutes

Multiples of 30:

30, 60, 90, 120, 150, 180, 210, 240, 270

Multiples of 35:

35, 70, 105, 140, 175, 210, 245, 280

Therefore,

LCM(30, 35) = 210

The Lowest Common Multiple = 210. This means that bus A and bus B will be back at the same depot together after 210 minutes.

We add 210 minutes to 5pm

5 pm + 210 minutes

= 5 pm + 3 hours 30 minutes

= 8:30 pm

Bus A and Bus B will be back at the depot together by 8:30 pm.

Mary said, "Four times my age reduced by thirty is six. How old am I?

Answers

Answer:

Step-by-step explanation:

I said so

PLEASE HELP!!!!!!!!!!!!!!! A small coffee cup holds 75% as much as a large coffee cup. If the small holds 36 units, how much does the large coffee cup hold?

Answers

Answer:

48 units

Step-by-step explanation:

Let x = the amount the large cup holds

36 = 75% of x

36 = .75x. (The word "of" indicates you will be multiplying)

36 ÷ .75 = x

48 = x

the green goober, a wildly unpopular superhero, mixes 3 liters of yellow paint with 5 liters of blue paint to make 8 liters of special green paint for his costume.

Answers

Answer:

the answer would just be 8

Step-by-step explanation:

5 +3 = 8 and it would be a deep green

82.8cm measured to the nearest tenth of a centimetre.

Answers

Answer:

82.8 cm measured to the nearest tenth of 80cm.

A cookie recipe calls for 1 2/3 cup of sugar. If you plan on changing the recipe to make 2 1/2 times as much. How much sugar will you need?Write your answer as a Mixed number or improper fraction in the simplest form.

Answers

Answer:

= 4 1/6 ---------------> final answer

Step-by-step explanation:

1 2/3 cup of sugar

That is : 5/3 cups of sugar for 1 cookie recipe

So for 1 recipe ------------- 5/3 cups of sugar

hence for 2 1/2 recipe ---------------> (5/3) * (5/2)

= 25/6

= 4 1/6 ---------------> final answer

Answer:

Step-by-step explanation:

1 2/3(3×1+2=5) × 2 1/2(2×2+1=5)

=5/3 × 5/2

Using A/B × C/D = A×C/B×D

5×5 / 3×2= 25/6

=4 1/6 in simplest form

if the expression 6 more than the product 8 and a number x than what is the answer?

Answers

Answer:

''6 more than the product 8 and a number x than'' will be expressed algebraically as:

6+8n

Step-by-step explanation:

Translating the sentence into an algebraic expression

The 'product of' means multiplying two numbers'6 more than' means adding 6.

Let 'x' be the number

6 more than that 8 and a number

6+ 8×n

Combining it all together means:

6+8n

Thus,

''6 more than the product 8 and a number x than'' will be expressed algebraically as:

6+8n

yall its an easy khan academy assignment please help ASAP i needa turn it in by 11:59 pm todayyy so hurry i will give 50 points!!!! and brainliest to whoever is righttt

Answers

Answer:

The answer is B.

Step-by-step explanation:

Answer:

B ITS B ! GOOD LUCK!!!! :D

Step-by-step explanation:

What is the common difference for this arithmetic sequence?
54, 50, 46, 42, 38, .
A. 4
B. -4
C. 34
D. 54

Answers

it should be B because it’s going down 4

Answer:

B. -4

Step-by-step explanation:

The right answer is B. -4

Solve for x.
A.
B.
C.
D.

Answers

The answer would be the A

Is multiplication commutative.

Answers

yes!
i hope this helps!

Answer:yes

Step-by-step explanation:

Because it is able to be commuted

I really need help who can help me?

Answers

Yes
Y varies directly with x, it is a direct relationship between the two.

Is (-8,7), (0,1), (2,-6), (2,3), (7,9) a function?
What’s the domain and range?

Answers

No it is not a function because the 2 repeats and for it to be a function none of the x values can repeat.

The domains are -8, 0, 2, 2, 7 (when it asks for domain it is asking for the x values)

The ranges are 7, 1, -6, 3, 9 (when it asks for range it is asking for the y values)

The price
original pair of shoes is $ 42. EI
offer price is 20% off
over the original price. At the sale price
add 7% sales tax.
What is the final cost of the pair of shoes?
Round to the nearest penny.

Answers

Answer:

$35.95

Step-by-step explanation:

I need to asnwer this question

Answers

Answer:

mark negative 1 on x axis and mark negative 2 on why access

Step-by-step explanation:

Answer:

dray your line through (0,2) and (4,0)

Step-by-step explanation:

(x, f(x)

(x,y)

What is the component form and magnitude of the vector shown?

LeftAngleBracket negative 2, 7 RightAngleBracket and StartRoot 53 EndRoot
LeftAngleBracket negative 2, 7 RightAngleBracket and 53
LeftAngleBracket negative 7, 2 RightAngleBracket and StartRoot 53 EndRoot
LeftAngleBracket negative 7, 2 RightAngleBracket and 53

Answers

Answer:

Step-by-step explanation:

edge 2020

The component form and magnitude of the vector is (-7, 2) and √53 option third is correct.

What is a vector?

It is defined as the quantity that has magnitude as well as direction also the vector always follows the sum triangle law.

We have a vector shown in the picture.

The coordinate for tail = (6, 2)

The coordinate for arrow = (-1, 4)

Coordinate for vector = (-1-(6), 4-(2)) = (-7, 2)

The magnitude:

[tex]\rm M=\sqrt{(-1-6)^2+(4-2)^2}[/tex]

M = √53

Thus, the component form and magnitude of the vector is (-7, 2) and √53 option third is correct.

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find the length of a rectangular cell phone screen with an aspect ratio of 16:9 whose diagonal measure is 127mm

Answers

Answer:

The length is 110.4 mm and the width is 62.1 mm.

Step-by-step explanation:

The ratio of the length to the width of the phone screen is 16:9.

Hence, let us say that the length of the screen is 16x and the width is 9x.

Due to the screen having 90 degree corners, we can apply the Pythagorean theorem to say that:

[tex]\sqrt{(16x)^{2} + (9x)^{2}} = 127 mm[/tex]

[tex]\sqrt{256x^{2} + 81x^{2}} = 127 mm[/tex]

[tex]\sqrt{337x^{2}} = 127 mm[/tex]

[tex]337x^{2} = 127^{2} mm[/tex]

[tex]x^{2} = \frac{16129}{337}[/tex]

[tex]x = 6.9[/tex]

Hence, the length is 110.4 mm and the width is 62.1 mm.

Hope this helped!

Answer:

...

Step-by-step explanation:

For the function y=7-3x, what is the ordered pair for x=5? *
O (-8,5)
O (7,3)
(-3,7)
(5.-8)

Answers

[tex]y=7-3x[/tex]

Substitute x = 5

[tex]y=7-3(5)\\y=7-15\\y=-8[/tex]

Therefore, when x = 5, y = -8.

We can write the coordinate point as (5,-8)

Thus, the answer is the last choice.

Find three consecutive integers whose sum is 105.

Answers

36 + 35 + 34 = 105 I hope this helps

As an estimation we are told £3 is €4. Convert €40 to pounds

Answers

Answer:

£30

Step-by-step explanation:

The ratio is 3:4. x:40=3:4 multiplied by 10, 30:40.

There are 30 pounds in 40 euros, therefore, €40 = £30.

What is a Ratio?

A ratio indicates the number of times one number contains another.

Given that, £3 is €4, therefore,

€4 = £3

€1 = £(3/4)

€40 = £(3/4)×40

€40 = £30

Hence, 40 euros is equal to 30 pounds, €40 = £30.

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To work out 20 - 5(3) you would multiply 5 and 3 first and then add the 20
to get a value of 35. Can you start at 35 and reverse those two steps to get
back to 32 Explain the two steps you would take to do that.

Answers

Answer:

You would get 5.

Step-by-step explanation:

According to the order of operations ( GEMDAS or PEMDAS ), in a problem the first step is grouping.

20 - 5(3) = 20 - 15, because 5 * 3 is 15 and parenthesis is a sign of multiplication. Then you would get:

20 - 15 = 5.

Here we would not inverse the subtraction sign, because there is an operation before the grouping

Would reverse operation:

20 - ( 5 + 3 )

Would NOT reverse operation:

20 - 5(2) Operation before the subtraction

4c < 28

Solve the inequality

Answers

Answer:

c < 7

Step-by-step explanation:

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