Mathematics High School

i need help with this question can anyone please help me

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Answer 1

X= 4 mark me brainliest pretty pleaseeee:)

Related Questions

geometry, god bless ur help!

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Answer:

15 CM

Step-by-step explanation:

Both sides are same length proven by the same angles making botrh sides 15 cm

Solve the equation: -29.5u+548=2,023

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Answer:

U=-50

Step-by-step explanation:

When you square the square root of a number...

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Answer:

the square root of a number is when you take a mole number and multiply it by itself in order to create a bigger number therefore some square roots would be 5 times 5 equals 25 therefore 5 is the square root of 25 so on and so forth

(11 – 9)' – 2 x 4=
Please help

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Answer: 2 − 8x

Step-by-step explanation:

The answer is -6 (negative Six)

Which equation represents a nonlinear function?
Help please!!!

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Answer:

Step-by-step explanation:

A linear equation cannot have a variable as a denominator. So that makes C a non - linear equation. Also, if you graph C, it is NOT a straight line.

C is the answer to the function

What is the range of f(x) = 2(x+3)^2 + 1?

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Answer:

Range: [1, ∞)

Step-by-step explanation:

[tex]f(x)=2(x+3)^2+1[/tex]

Range: [1, ∞)

whats the scale factor

Answers

Answer:

2 1/12

Hope that helps!

Step-by-step explanation:

Answer:

2.5

Step-by-step explanation:

Triangle ABC is reflected over the x-axis. What are the coordinates of the image of the vertex A?

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the correct answer would be d (2,-5)

Saved $500 from his summer job so he would have spending money during the school year. He withdraws $12 from his account each week so a linear function models his plan. Mellissa made a similar plan. Compare the transactions

Answers

Answer:

See Explanation

Step-by-step explanation:

Given

[tex]Savings = \$500[/tex]

[tex]Withdrawal = \$12[/tex] weekly

Required

The question is incomplete as the linear function or table or graph of Melissa's plan is not given.

The available details can only be used to solve the function of the given individual

Let the number of weeks be w.

So: the amount left in w weeks is:

[tex]Amount = Savings - Withdrawal * w[/tex]

[tex]Amount = 500- 12* w[/tex]

[tex]Amount = 500- 12w[/tex]

Represent as a function

[tex]f(w)= 500- 12w[/tex]

To solve the amount left at the end of a certain week (say week 5), simply substitute 5 for w in [tex]f(w)= 500- 12w[/tex]

[tex]f(5) = 500 - 12 * 5[/tex]

[tex]f(5) = 440[/tex]

This is a trigonometry question

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Answer:

y = 8.49

Step-by-step explanation:

cos 45 = 6/y

0.7071 = 6/y

y = 8.49

Plssss helppppp!!!!!!!!!

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Answer:

it is two because one apple plus one apple equals two

it is 2

two
DUHH
hope this helped :))

The square has an area of x^2-10x+25 what is the side length

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Answer:

(x-5)

Step-by-step explanation:

Factors to be (x-5)^2 so each side is (x-5)

HELPPPPPPPPPP

The point (-10,4) is on the graph of which of these functions? Select ALL that apply.

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3 Answers: Choice B, choice D, choice E.

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

Explanation:

We'll plug x = -10 into each equation shown. If we get y = 4 as an output, then it is one of the answers.

------------------------------

y = -x^2 + 6

y = -(-10)^2 + 6

y = -100 + 6

y = -94

We don't get y = 4, so we cross choice A off the list.

The point (-10,4) is not on y = -x^2+6. Instead, the point (-10,-94) is.

------------------------------

y = (-1/2)*x - 1

y = (-1/2)*(-10) - 1

y = 5 - 1

y = 4

We can see that x = -10 leads to y = 4. The point (x,y) = (-10,4) is on the line. Choice B is one of the answers.

------------------------------

y = (-1/10)*x - 3

y = (-1/10)*(-10) - 3

y = 1 - 3

y = -2

Choice C is not one of the answers since we want y = 4 as an output. So we can cross choice C off the list.

The point (-10,-2) is on the line instead of (-10,4)

------------------------------

y = (1/10)x + 5

y = (1/10)*(-10) + 5

y = -1 + 5

y = 4

Choice D is one of the answers

------------------------------

y = (1/5)*x^2 - 16

y = (1/5)*(-10)^2 - 16

y = (1/5)*(100) - 16

y = 20 - 16

y = 4

Choice E is one of the answers

------------------------------

An alternative method is to graph each equation and see if (-10,4) is on the curve or not. See the diagram below. Only choices B, D and E have (-10,4) on their respective curves.

Help plssssss it due today

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Answer:

Step-by-step explanation:

If I am correct the answer is c

PLEASE HELP

factor 12n^2-n-20

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I hope this is factorization

Answer :(4n+5)(3n-4)

Determine if the two triangles are congruent. If they are, state how you know.

AAS
SAS
HL
Not enough information

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Put not enough info it doesn’t show for the rest of those other AAS S A. AS and hi that it has informed ation

Find the output, b, when the input, a, is 6.
b=17a

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I think 11 hope this is the answer

Find the slope of the line that passes through each pair of points (3,2) (8,12)

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Answer:

The slope is 2

PLEASE HELP WILL GIVE BRAINLIEST
Use characteristics of quadratic functions to graph = − 1 2 x 2 − 2 + 1
a) Identify the axis of symmetry. ___________________
b) Find the coordinates of the vertex. ___________________
c) Graph the function using the table below. Plot at least five points.
d) Identify the domain of the function. ___________________
e) Identify the range of the function. ___________________

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Answer:

A =25

b =35

c = 120

e = 310

Find the percent of the number. 38% of 22 is

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38% of 22 is 8.36

sjkbgdfbskxdbnc(answer too short)

Answer:

8.36

Step-by-step explanation:

22=%100

22x38=836

836/100=8.36

What is the surface area for the figure? PLEASE HELP

Answers

Answer:

516 cm squared

Step-by-step explanation:

To find the surface area of a rectangular prism such as this, is basically just like finding the OUTSIDE surfaces. We are looking for the "perimeter" of a 3D shape.

How do we do it?

Calculate each face of the prism by multiplying Length x Width.Make a shortcut by combining like-figures (front of the cube and back of the cube are the same surface areas, etc.)Make your formula

2(4 · 15) + 2(10 · 15) + 2(12 · 4)

what is 5/9(fraction) turned into a decimal rounded to the nearest hundredth

Answers

Answer:

It will be 0.5 repeating so 0.555 because the 5 is repeating

9514 1404 393

Answer:

0.56

Step-by-step explanation:

5/9 is the repeating decimal fraction 0.55555...

Rounded to the nearest hundredth, it is ...

5/9 ≈ 0.56

Help please I don’t understand

Answers

Answer:

x=0.75645 in radians

x=43.34175 in degrees

Step-by-step explanation:

cos(x)=8/11

Answer:

approximately 46.66

Step-by-step explanation:

label the following sides as 11=h and 8=o.

circle the missing angle x

remember SohCahToa

since you have h and o that means you are using (sin) on your calculator and since the angle is missing you do the inverse of sin multiplied by (8/11)

You earned a 90% on a test if there are 30 questions how many did you answer correctly?

Answers

30 / 10 = 3 , this gives you 10%. Now you need to multiply this by 9. This gives you 27.

You got 27 questions correct

Hope this helps

Answer:

Step-by-step explanation:

you can do cross multiplication

90/100 = x/30

100x=2700

x=27

I have and a math test in an hour and a half. It’s about algebraic word problems. Can someone help me. I’m really struggling in maths

Answers

Hello,

First of all, relax and take a deep breath right before you start.

Alright, so algebraic word problems are tricky sometimes. I am glad I don’t have to do them much. Once you understand more or less what to do, you should be fine!

I would need an example problem if you have one.

If not, then remember that you have to work with what you know, which is what you can start with and what you need to end with.

For instance, a phone company sells phones at $900 each. For a family discount, after 2 phones are bought, each additional phone is $100 off.
Find an expression representing the phone company’s prices.
2*900 + (900x - 100x)

x represents how many additional phones were bought.

If a family bought 6 phones:
2*900 + (900x - 100x)
2 in front and 4 as x gives 6
That expression becomes

2*900 + [900(4) - 100(4)]
= $5000

I hope that helped!

If Noreen had let the water run for 2 minutes instead of half a minute, do you think she would still find that she used 320 cups of water during her 10-minute shower

Answers

Answer:3

Step-by-step explanation:

Alejandro bought 6 notebooks and 2 binders for $23.52. Cassie bought 3 notebooks and 4 binders for $25.53. What was the cost, in dollars, of 1 notebook?

Answers

Answer:

1 notebook $2.39

Step-by-step explanation:

n=notebook b= binder

6n +2b =23.52

3n +4b = 25.53

MULTIPLY THE FIRST BY -2 AND ADD BOTH

-12n -4b = -47.04

3n + 4b = 25.53

(b is eliminated since 4b -4b=0)

-9n = -21.51

9n = 21.51

n = 2.39

please help as soon as popssible ill give thanks and brainliest

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don’t go to that link

Simplify the expression please!!

4( -2p + 8)

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the answer is -8p+32

How to transfer 800g to kg

Answers

Answer: The answer is 0.8

Step-by-step explanation: Every gram is 0.001 of a kilogram

The answer is 0.8 kilograms

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