Mathematics High School

Someone pls help me with this

Someone Pls Help Me With This

Answers

Answer 1

Answer:

147

Step-by-step explanation:

Related Questions

What is the acceleration of a car that goes from 65 km/s to 125 km/h in 5 seconds?
PLEASE SHOW WORK!

Answers

answer :
A = 125 km/h - 65 km/h divided by 5
A = 60 km/h divided by 5
A = 12 km/h2

(s3−2s−9)+(2s2−6s3+s)

Answers

−5x 3 −x−9+2x 2

(I think) my apologies if it’s incorrect

Ariel swims 2 1/6 miles in every 1/3 hour.Enter the number of miles Ariel swims in 1 hour.

Answers

Answer:

6.5 miles

Step-by-step explanation:

If she travels 2 1/6 in 1/3 hours you would simply multiply by 3 because she would need to travel 2 1/6 miles three times in order for an hour to pass.

HELP DUE IN 1 HOUR !!​

Answers

Answer:

-7/12

Step-by-step explanation:

Answer:

-7/12

Step-by-step explanation:

-1/3 - 1/4 becomes -4/12 - 3/12

this is because 12 is the common denominator for both fractions. then subtract the numerators because when you add or subtract fractions, the denominator stays the same.

-4 - 3 = -7

the answer is

-7/12

the answer cannot be simplified so it remains the same

Decrease £101 by 43%
Give your answer rounded to 2 DP.
£

Answers

Answer:

10

Step-by-step explanation:

round it by 2 and there you go!

Jamie need to earn more than $4,000 to pa his monthly bills. he earns a monthly salary of $2,500 plus an extra $75 for every electronic device he sells. Write an inequality to determine the minimum number of electronic devices Jamie needs to sell each month in order to have enough money to pay his monthly bills. Let d represent the number of electronic devices Jamie needs to sell each month. Help plz.

Answers

Answer:

hi

Step-by-step explanation:

hi

A toy rocket lifts off at an initial velocity of 102 feet per second from a height of 10 feet. The height of the rocket can be modeled by the equation h = – 16t2 + 102t + 10, where ‘t' is the time in seconds. When will the rocket hit to the ground?

Answers

Answer:

6.47secs

Step-by-step explanation:

Given the height of the rocket modelled by the equation;

h = – 16t^2 + 102t + 10, where ‘t' is the time in seconds

The rocket will hit the ground at h = 0

Substitute into the equation

– 16t^2 + 102t + 10 = 0

Multiply through by -1

16t^2-102t-10 = 0

t = 102±√(102)²-4(16)(-10)/2(16)

t = 102±√10404+640/32

t = 102±√11044/32

t = 102 ±105.09/32

t = 102+105.09/32

t = 207.09/32

t = 6.47secs

Hence it will take 6.47secs for the rocket to hit the ground

Help me with my homework pls :)

Answers

Answer:

That smile tho lol

anywayssssss

b= 16 mm

Step-by-step explanation:

Pythagorean theorem is a^2 + b^2= c^2, so-

12^2 +b^2= 20^2

144+b^2=400

b^2=400-144

b^2= 256

b= 16

Answer:

16 mm

Step-by-step explanation:

A²+B²=C²

12²+x²=20²

144+x²=400

x²=400-144

x²=256

√x = √256

x = 16

Help Julie has the boxes of pens

Answers

Answer:

A=C+16

Step-by-step explanation:

nineteen less than a number is 25 write the equation

Answers

Answer:

6

Step-by-step e


please answer thoroughly :) ​

Answers

Answer:

Step-by-step explanation:

a.10/16
b. 7/8
Method is written in the picture below for b.

Someone help with this please

Answers

i think it’s A but i’m not for sure but i think so but sorry if i’m wrong

Given that f(x) = x + 3/2

a) Find f(2)
b) Find f^-1(x)
c) Find f^-1(12)

Answers

Step-by-step explanation:

f(x) = x + 3/ 2

For a

f(2) = 2 + 3 / 2

= ( 4 + 3 ) /2

= 7/2

For b

f(x) = x + 3/2

f^-1(x) = ?

Let y = f(x)

y = x + 3/2

Interchanging the roles of x and y we get,

x = y + 3 / 2

y = x - 3 / 2

Therefore f^-1(x) = x - 3 / 2

For c)

f ^ -1(12) = 12 - 3 / 2

= (24 - 3) / 2

= 21 / 2

Hope it will help :)

is x equals 12 a solution to the equation 6 + x = 19​

Answers

Answer:

13

19 minus 6 is equal to 13 so your answer would be thirteen

1 of 5
The ratio of boys to girls in a class is 3:4. There are 35 students in the class. How many
students are girls?

Answers

Answer:20 girls

Step-by-step explanation:the difference between 3 and 4 is one so there will be a difference of one between the 2 questions.

I need help on this question

Answers

Answer:

D

Step-by-step explanation:

The correct answer is D because the X axis has the point intersecting at 0 and the Y axis has the same point intersecting at -2

please help!

One number is 5 more than another. The sum of thrice the small plus twice the larger is 50

What are the two numbers?

A: 8
B: 10
C: 7
D: 13
E: 5
F: 15
G: 12

Answers

A and D I did the maths

What would be the best method to solve
the system of equations below?
6x + 3y = 21
2x – 3y = -13

Answers

I would change 6x+3y=21 to y=-2x+7.
You can isolate the y value by subtracting the x to the other side. All the numbers have 3 in common, so you need to divide all of them by 3. I would then substitute the new equation into the 2x-3y=-13, making it 2x-3(-2x+7)=-13
You wove the equation, and once you get your x value, you needles to substitute it in the equation: y=-2x+7
The final answers will be x=1 and y=5

Elimination method is the best method to solve the system of equations below

What is Equation?

Two or more expressions with an Equal sign is called as Equation.

The given system of equations

6x + 3y = 21...(1)

2x – 3y = -13...(2)

Add equations (1) and (2)

6x+3y+2x-3y=21-13

8x=8

Divide both sides by 8

x=1

Now plug in x value in equation 1

6+3y=21

Subtract 6 from both sides

3y=15

Divide both sides by 3

y=5

By Elimination method we find the values of x and y.

Hence, Elimination method is the best method to solve the system of equations below

To learn more on Equation:

https://brainly.com/question/10413253

#SPJ2

What is the slope of the line that passes through the points
(
4
,
−
2
)
(4,−2) and
(
24
,
−
17
)
?
(24,−17)? Write your answer in simplest form.

Answers

Answer:

-3/4

Step-by-step explanation:

Given the coordinates (4, -2) and (24, -17), we are to find the slope of the line passing through the points

Slope = y2-y1/x2-x1

Slope = -17-(-2)/24-4

Slope = -17+2/20

Slope = -15/20

Slope = -3/4

Hence the required slope is -3/4

Find the product.
Please help it means a lot thx
(3x + 7)^2

Answers

Answer:

9x + 49

Step-by-step explanation:

(3x+7)^2

9x + 49

-6 + -8 10 points plz help

Answers

Answer

The answer is negative 14.

Step-by-step explanation:

When you add a negative by a negative it equals a negative. Like if you add 1 + 1 it's going to equal 2 which is a positive, not a negative. So the answer is technically 8 + 6 which is 14 and all you have to do is add a negative sign.

Mary needs to buy 4 concert tickets and one parking pass. If parking is $12, and she can spend at most $80, what ticket prices can she afford? (set up an inequality, do not solve)

Answers

Answer:

4t + 12 [tex]\leq[/tex] 80

Step-by-step explanation:

Set up an inequality where t is the cost of one ticket

Since her budget is $80, a less than or equal sign needs to be used.

4t will represent the total cost of the tickets, since she needs to buy 4. Add 12 to this to represent the parking cost:

4t + 12 [tex]\leq[/tex] 80 is the inequality.

(3,4) and (18,24) are ordered pairs on a line that represents a proportional relationship. which other ordered pair could be on the line?

Answers

Answer: (9,12), (6,8), (12,16), (15,20).......

Explanation:

a12 means that the exponent of an arithmetic function is 12


TRUE or FALSE

Answers

The answers is true

350/100 of the revenue

Answers

Answer:

3.5

Step-by-step explanation:

Ed earns $40 working at a supermarket after school. He earns $64 working there on a
Saturday. He worked 2 days after school and 1 Saturday, How much did he earn that week?

Answers

Answer:

$144

Step-by-step explanation:

$40+$40+$64= $144

8x + 5x what is it simplify

Answers

Answer:

13x

Step-by-step explanation:

you would just add the 2 numbers together and then keep the variable. if you know the variable (if there’s a sheet to go off of) then multiply and add but otherwise it’s just 8 + 5 then add an x. 13x

Answer:  13x

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

Explanation:

x is a placeholder for a number. Think of it like a box holding a number. Conveniently, the letter 'x' is in the word 'box', so its naturally fitting to use x here.

Writing 8x could represent the idea of us having 8 boxes that are identical. Adding on 5x means we add on 5 more boxes. This leads to 8+5 = 13 boxes in total.

This is one way to see how 8x+5x = 13x

Another way is to write it like this: 8x+5x = (8+5)x = (13)x = 13x. I used the distributive property here.

Combining these terms is possible because 8x and 5x are like terms. They have the same variable and same exponent. We're adding two of the same type of object together.

What is 3/4 x 6 , simplified .

Answers

Answer:

9/2

Step-by-step explanation:

3/4 x 6 can be thought of as multiplying 3/4 x 6/1

When multiplying fractions, multiply the numerator (top number) with the numerator, and the denominator with the denominator.

3/4 x 6/1 = (3x6)/(4x1)

3/4 x 6/1 = (18)/(4)

3/4 x 6/1 = 9/2

Let me know if this helps!

Answer:

92/

Step-by-step explanation:

3/4×6

18/4

9/2

hope it's helpful ❤❤❤❤

THANK YOU.

#

All of the following are equivalent except
1) 4 y
2) (4) (Y)
3) 4•Y
4)4+ y

Answers

4 because all of the others involve multiplication and 4 involves addition.

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Find the slope of the line that passes through:
(6,7) and (4,2)
1
2.
5
5
2

Answers

Answer:

slope is 5/2

Step-by-step explanation:

5 over 2

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