Mathematics High School

please I really need help ​

Please I Really Need Help

Answers

Answer 1

Answer

Step-by-step explanation: a:false   b:true     c:true   d:true

Related Questions

adding and subtracting polynomials

Answers

Answer:

[tex]3x^{2} + 3x +12[/tex]

Hope that helps!

Step-by-step explanation:

HELP ME 7th grade math
Find the surface Area
​

Answers

Answer:

30.24

Step-by-step explanation:

I times the base by the height then divided by 2

The surface is 47 degrees beside 57
So it’s 97 B.

Evaluate ab - 0.5.b when a= 1 and b = 5

Answers

Answer:

2.5

Step-by-step explanation:

a=1 and b=5 so it would be 1 times 5 minus 0.5 time 5. to get this you must used PEMDAS and multiplication goes before subtraction. 1 times 5 is 5 and 0.5 times 5 is 2.5 so now you can subtract one from another which would give you your answer.

What type of pattern do linear functions have

Answers

Answer:

"adds by the same unbmer every time" is prob ur best bet

Step-by-step explanation:

Answer:

add by the same number everytime

Step-by-step explanation:

Calculate the gradient of the line using rise/run method.

Answers

Given:

The graph of line.

To find:

The gradient of the line using rise/run method.

Solution:

We know that the gradient of a line is also known as slope.

[tex]Slope=\dfrac{Rise}{Run}[/tex]

Consider the two intercepts, then rise is distance between origin and y-intercept and run is the distance between origin and the x-intercept. But rise must be negative because the value of y decreased from 3 to 0.

[tex]Rise=-3[/tex]

[tex]Run=2[/tex]

Now,

[tex]Slope=\dfrac{Rise}{Run}[/tex]

[tex]Slope=\dfrac{-3}{2}[/tex]

The gradient of the line is [tex]-\dfrac{3}{2}[/tex].

Therefore, the correct option is C.

a skier is going down a slope that measures 3,500 feet long. by the end of the slope, the skier has dropped 1,400 vertical feet. to the nearest degree, what is the angle, A , of the slope?​

Answers

Opposite over hypotenuse
1400/3500=0.4=40 degrees
I believe that is the answer

select the values of x that make the inequality true


x > -3

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a and c, the further you go down the negative number line, the lower the value of the number is so -1 and 0 are bigger

Answer:

-1 and 0 are both larger than -3

What is the greatest cThe work that Yi did to find the greatest common factor of 42 and 63 is shown below.

Factors of 42: 1, 2, 3, 6, 7, 14, 21, 42
Factors of 63: 1, 7, 9, 63

The greatest common factor is 7.

What is Yi’s error?
ommon factor of 20 and 36?

Answers

Yi forgot two factors of 63, which are 3 and 21.

This would make the greatest common factor 21.

Simplify the expression.
-4i(2+3i)

Answers

Answer:

-8i + 12

Step-by-step explanation:

-4i(2 + 3i) = -8i - [tex]12i^{2}[/tex] = -8i - 12 * (-1) = -8i + 12

Answer:

12−8i

Step-by-step explanation:

-(-4 *3+4*2i)

-4*3=12

4*2=8

=12-8i

Please help need done ASAP

Answers

Because one of them is 4 minus and one is negative 4.

HELP ME SOLVE HURRY I WILL MARK BRAINLIEST THANKS

Answers

Answer:

your y intercept is 90 and the equation would be y= 90 and x is unknown

A machine fills 75 bottles of water each minute. Write an equation to represent the number of bottles b of water the machine can fill in m minutes.

Answers

Answer:

b = 75m

Step-by-step explanation:

75xm=b your welcome unless you need a different letters

1
How many cubes with side lengths of
em does it take to fill the prism?
cm
2
alon
cm
1 cm
cubes

Answers

4 cubes at leastb right

Find Four Numbers that form a geometric progression such that the second term is less than the first by 35, and the third term is greater than the fourth term by 560. (Note: there should be 3 different possible geometric sequences)

Answers

Answer:

-35/3, -140/3, - 560/3, -2240/37, -28, 112, - 448  

Step-by-step explanation:

The terms are:

a₁, a₂, a₃, a₄

Given:

a₁ = a₂ + 35a₃ = a₄ + 560

Use the nth term formula:

a₂ = a₁ra₃ = a₁r²a₄ = a₁r³

Substitute:

a₁ = a₁r + 35 ⇒ a₁(1 - r) = 35a₁r² = a₁r³ + 560  ⇒ a₁(1 - r)r² = 560

Divide the second equation by the first:

r² = 560/35r² = 16r = √16r = ± 4

Use the first equation to find the first term:

a₁( 1 ± 4) = 351. a₁ = 35/-3 = -35/32. a₁ = 35/5 = 7

We have two sequences:

r = 4

-35/3, -140/3, - 560/3, -2240/3

r = -4

7, -28, 112, - 448  

A local hamburger shop sold a combined total of 568 hamburgers and cheeseburgers on Sunday. There were 68 more cheeseburgers sold then hamburgers. How many hamburgers were sold Sunday.

Answers

Answer:

250 hamburgers were sold on Sunday

I need some help with this please

Answers

X=6.75

3+x=5x-24 Add 24 on both sides
27+x=5x Subtract 1x on both sides
27=4x Divide 4 on both sides
6.75=x You Can double check by plugging in x

Order these numbers from least to greatest

-0.5,1.5, 0, -5, 1.25


Ty

Answers

Answer:

-5, -0.5, 0, 1.25, 1.5

Answer:

-5, 0, -0.5, 1.25, 1.5

hope it helps

Harry catches the train from Belfast to Dublin at 4pm.
The average speed of the train is 70mph and the distance from Belfast to Dublin is 105 miles.
What time does Harry arrive in Dublin?

Answers

Answer:

5:30 pm

Step-by-step explanation:

105/70 = 1.5

Book price $ 60. The book went up in price on the 15th
%.
What is the price of the book after the price increase?

Answers

Answer:

$69

Step-by-step explanation:

Price of book after the price increase

= 60 + 15% of 60

= 60 + 0.15*60

= 60 + 9.0

= $69

You purchase a t-shirt for $9.55 and a pair of jeans for 18.12 from Old Army at 7% sales tax.

How much change should you receive if you give the cashier two twenty-dollar bills?

Answers

Answer:

$10.39 is the change

Step-by-step explanation:

We start by calculating the total score

9.55 + 18.12 = 27.67

we now calculate the sales tax

This is 7% of the total

= 7% of 27.67

7/100 * 27.67

= $1.94

The total now comes;

1.94 + 27.67 = $29.61

The total was 2 * 20 = $40

The change was;

$40 - $29.61 = $10.39

enter an equation that represents the function defined by this table of values​

Answers

Answer: -3x + 1

Step-by-step explanation:

Looking at the y table, when we subtract 1 from them, they become multiples of -3

So we multiply x by -3 then add 1

Which measurement is closest to the area of the circle in square centimeters ? A. 31.4cm² B. 78.5cm² C.62.8² D.50.2cm²​

Answers

Answer: it’s a

Step-by-step explanation: took the test got it right

The required measurement closest to the area of the circle in square centimeters is 78.5cm². Option B is correct.

What is an area circle?

The area of the circle is given by the pie times square of the radius.

Area of circle = πr^2

Here,
Let the radius of the given circle be r = 5 cm
Area of the circle = πr²

Substitute the value in the above expression,
Area of the circle = π 5²
Area of the circle = 78.5cm²

Thus, the required measurement closest to the area of the circle in square centimeters is 78.5cm². Option B is correct.

Learn more about circle here:

brainly.com/question/11833983

#SPJ6

Find the additive inverse of each linear expression
1. 3x - 6
2. -9x + 3
3. -4x -8

Answers

Step-by-step explanation:

G(x) = 2/3 x - 6     switch x and y around and solve for y.

y = 2/3 x - 6

x = 2/3 y - 6

x + 6 = 2/3 y

3/2  x + 9 = y

........

some people might need to hear this. lot of us are struggling in school rn, but I am proud of any progress you have made.
have a great day!:)​

Answers

Answer:

hi thx................

Multiplying by 0.51 is the same as decreasing by___%

Answers

The answer for your question is 10% hope this helps you

Answer:

The correct answer is 51%

A system of linear equations is shown x-4y=1, 3x+2y=-11 what is the solution to the system of equations

Answers

Answer:

x= -3 , y= - 1

Step-by-step explanation:

hope I was able to help:)

A ladder needs to reach a second-story window that is 15 feet above the ground and make an angle with the ground of 71°. How far out from the building does the base of the ladder need to be positioned? Round your answer to the nearest tenth.


The base of the ladder needs to be ______ feet away from the wall.

Answers

Answer:

5.2 feet

Step-by-step explanation:

It helps if you can make a drawing.

You are looking for the adjacent side of the 71° angle in a right triangle and 15 is the opposite side of the angle.

Let x = the distance from the building to the base of the ladder

Tan 71 = 15/x

xtan71 = 15

x = 15/tan 71 = 5.2 feet

anyone help me i really need it anyone helpful

Answers

Answer:

(photo)

Step-by-step explanation:

Since the b in the format is +3 you would have to graph it on the positive three on the y axis then you graph the rise/ run which is 3x

PLS HELP WILL MARK BRAINLIST

Answers

Answer:

T=39.46

Step-by-step explanation:

13(t+13)=676

multiply 13 by t and by 13

then you will have 13t + 169=676

isolate the variable

13t + 169= 676

substract 169 from both sides

13=507 divided both side by 13

T=39


I need a A in math can you help me with this answer

Answers

For hypotenuse it’s like this
5^2 and 12 ^2
5 times 5 is 25
12 times 12 is 24
24+ 25 is 53
So the hypotenuse 13 hope that helped

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