PLS HELP!! GIVING BRAINLIST

PLS HELP!! GIVING BRAINLIST

Answers

Answer 1

Answer:

x=2

y=0

Step-by-step explanation:

8x - 4y = 16

solve for x

8x = 4y + 16

divide 8 by all terms

x = 2 + [tex]\frac{y}{2}[/tex]

Insert x in second equation

8(2+y/2)+4y=16

solve

y=0

x=2


Related Questions

giving brainliest do 2 and 3

Answers

Answer:

2. (5, -7)

3. (-6, 5)

Step-by-step explanation:

Answer:

The answers are uploaded in pictures

solve the equation

5x-(2x-13)=40

Answers

Answer:

9

Step-by-step explanation:

open the bracket, you will have

5x-2x+13=40

collect like terms

5x-2x=40-13

3x=27

divide both side by 3

3x/3=27/3

x=9

Answer: 9

Step-by-step explanation:

5x-(2x-13)=40

Open bracket by -1

5x-2x+13. = 40

3x. = 40-13

3x. =. 27

Divide both sides by 3

x. = 27/3.

x. = 9

PLEASE IF YOU HAVE ANY MORE QUESTIONS PLEASE COMMENT BELOW.

pls help me!! this is trig. and its very confusing i cant fail!! i will mark brainliest

Answers

Answer:

too blury I can't see can you make another?

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90 balls
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%

Answers

10 % = 9 balls

20 % = 18 balls

30 % = 27 balls

40 % = 36 balls

50 % = 45 balls

60 % = 54 balls

70 % = 63 balls

80 % = 72 balls

90 % = 81 balls

100 % = 90 balls

Hope that helps!

.Does the graph below represent a function?
Explain how you know. Hint: Vertical line Test

Answers

It’s a function, I’m not good at explaining though.

Which pairs of expressions are equivalent?
Quick

Answers

Answer:

a

Step-by-step explanation:

Answer:

its A.

Step-by-step explanation:

Bc i just did it

Which expression can you substitute in the indicated equation to solve the system below 5x+y =8 x+4y=2

Answers

Answer:

x = 1.58 and y = 0.105

Step-by-step explanation:

Given equations are :

5x+y =8 ...(1)

x+4y=2 ...(2)

Multiply equation (2) by 5.

5x+20y=10 ..(3)

Subtract equation (1) from (3).

5x+20y-(5x+y) = 10-8

5x+20y-5x-y = 2

19y = 2

y = 0.105

Put the value of y in equation (2).

x+4(0.105)=2

x = 2-0.42

x = 1.58

Hence, the values of x and y are 1.58 and 0.105.

Solve the system by substitution.
4x + 7y = -41
x = y + 5

Answers

Answer:

x=-6/11, y=-61/11. (-6/11, -61/11).

Step-by-step explanation:

4x+7y=-41

x=y+5

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

4(y+5)+7y=-41

4y+20+7y=-41

11y=-41-20

11y=-61

y=-61/11

x=-61/11+5=-61/11+55/11=-6/11

the school store has1200 pendls in stock and sells and sells an average of 25 pencils per day the manager reorders when the number of pencils in stock in 650

Answers

Answer:

Number of pencils in stock = 1200

Average number of pencils sold by the manager per day = 24

Number of pencils that would be sold before reordering = 1200 - 500

                                                                                        = 700

Then

The number of days after which the manager will reorder = 700/24

                                                                                            = 29.16

So the manager has to reorder after about 30 days. Since the answer comes in fraction of more than 29 days, so it has to be 30 days. I hope the procedure is clear for your understanding.

Just to be clear, this answer is not mine, but I remember seeing this question so I just copied someones' answer. Still, you might find this helpful.

Here is the original https://brainly.com/question/955219

8x=2 what is the value ofx

Answers

Answer:

x=0.25

Step-by-step explanation:

8x=2

4x=1

4x÷4=1÷4

x=0.25

Answer Please !

Choose The Correct Reason

{Answer Boxes are similar to all questions :
A: Base angles of an isosceles triangle are congruent
B: Given
C: Def. of an isosceles triangle
D: AA Similarity Theorem
E: Substitution property}

(Question 1 )
Reason 1

(Question2)
Reason 2 < type you’re answer From Answer Boxes>

(Question 3)
Reason 3

(Question 4)
Reason 4

(Question 5)
Reason 5

(Question 6)
Reason 6

Answers

the answer is B i just did it
Your answer should be answer B

math work pls help :)​

Answers

Not possible. even thought the angles( the lines inside the triangles) are opposite sides of each other, it doesn’t match up

what number lies halfway between 16 and 38​

Answers

Answer:

27

Step-by-step explanation:

math work pls help :)​

Answers

Answer:

HL

Step-by-step explanation:

It is HL because they are right angles.

HELP ASAP!!


1. Consider the sequence
4, -12, 36, -108

Part A: Identify whether the function is an arithmetic sequence or a geometric
sequence and justify your answer.

Part B: Write an explicit formula that could be used to find any term in the
sequence.

Part C: Write a recursive formula for the sequence.

Part D: What is the 9th term in the sequence?

Answers

Answer:

[tex] \underline{\boxed{Part \: A}}: \\ \: \\the \: function \: is \: a \: \boxed{ geometric \: sequence} \\ \\ \underline{\boxed{Part \: B}}: \\\boxed{T_n = a( {r})^{(n - 1)}} \\ \\ \underline{\boxed{Part \: C}}: \\ \boxed{T_4 = T_3( { - 3})^{(1)}} \\ \\ \underline{\boxed{Part \: D}}: \\ \boxed{ T_9 = 26,244}[/tex]

Step-by-step explanation:

[tex] \underline{\boxed{Part \: A}}: \\ \: \\the \: function \: is \: a \: \boxed{ geometric \: sequence} \\ this \: due \: to \: their \: common \: ratio (r)= \boxed{- 3} \\ \\ \underline{\boxed{Part \: B}}: \\ \\ let \: the \: required \: term \: be \to \: T_n \\ let \: the \: first \: term \: be \to \: a \\ let \: the \:common \: ratio \: be \to \: r \\ hence : \boxed{T_n = a( {r})^{(n - 1)}} \\ where \: n \: is \: the \: number \: of \: term. \\ \\ \underline{\boxed{Part \: C}}: \\ let \: the \: required \: term \: be \to \: T_4 \\ hence : \boxed{T_4 = T_3( { - 3})^{(1)}} \\ \\ \underline{\boxed{Part \: D}}: \\if \: a = 4 : r = ( - 3) : n = 9 \\ hence : \boxed{T_9 = 4( { - 3})^{(9 - 1)}} \\ hence : \boxed{T_9 = 4( { - 3})^{(8)}} \\T_9 = 4( 6,561) \\ \boxed{ T_9 = 26,244}[/tex]

Use the equation below to find y, if m=11, x=2, and b=5.
y=mx-b
Y=

Answers

y=17

Here is my answer, hope to help you.

which single transformation could be applied to the rectangle below to create a rectangle that is similar but not congruent

A. Rotation


B. Dilation


C. Reflection


D. Translation

Answers

Answer:

B

Step-by-step explanation:

Dilations are the only transformations in which the shape is changed.

The answer is Translation

9. The functions f and g are such that
f(x) = 3(x – 4) and g(x) = x/5+1
a) Find the value of f(10)
b) Find g-'(x)
c) Show that ff(x) = 9x - 48​

Answers

Answer:

a) f(10) = 18

b) g-¹(x) = 5x-5

c) 3((3(x-4))

= 3((3x-12)-4))

= 3(3x-16)

= 9x-48

The value of f(10) = 18, g'(x) = 1/5 and ff(x) = 9x - 48​

What is function?

A function is defined as a relation between a set of inputs having one output each. In simple words, a function is a relationship between inputs where each input is related to exactly one output.

Given that, The functions f and g are such that f(x) = 3(x – 4) and

g(x) = x/5+1

a) f(10) = 3(10-4)

= 3(6)

= 18

b) g'(x) = d/dx(x/5+1)

= 1/5d/dx(x) = 1/5

c) ff(x) =

= 3((3(x-4))

= 3((3x-12)-4))

= 3(3x-16)

= 9x-48

Hence, The value of f(10) = 18, g'(x) = 1/5 and ff(x) = 9x - 48​

For more references on functions, click;

https://brainly.com/question/21145944

#SPJ2

An African elephant weighs 2 tons. How many pounds are in a herd with 26 elephants? Note: 1 ton = 2,000 pounds​

Answers

Answer:

the answer is 104,000

Step-by-step explanation:

because  if an elephant is two tons and 1 ton is 2000 lbs then you know that each elephant is 4000 lbs so then you have to multiply 4000 by 26 wich gives you 104,000

Step-by-step explanation:

2tons multiplied by 1 elephant will give is=4000

26*4000=104000

a herd of elephant weighs 52000 pounds

please mark brainiest thank you

I need help with this question​

Answers

Answer:

A

Step-by-step explanation:

Answer:

Step-by-step explanation:

4 and -1 are y-intercepts. Then based off of those points, find the next coordinate points by using the given slope. I do not see the correct answer in any of the options. You may have one not included in the image. If so, look at the image below.

What is the number? I did many ways but i didn't found it, please guys help me with it. ​

Answers

Answer:

A). 15

B). -1.2

Step-by-step explanation:

A). [10(x+3)]-20 = 160

10x+30-20 = 160

10x+10 = 160

10x = 160-10

10x = 150

x = 150/10

x = 15

B). 5{[4(8+(5x))]-9} = 85

5(32+20x+9) = 85

5(32+9+20x) = 85

5(41+20x) = 85

205+100x = 85

100x = 85-205

100x = -120

100x/100 = -120/100

x = -1.2

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

HOPE THIS HELPS!!!

Translate this phrase into an algebraic expression. Six less than the product of 20 and a number

Answers

Answer:

20x-6

Step-by-step explanation:

20x-6

because the product of 20 and a number would be 20 multiplied by that number (in this case, we're representing that number with x), and it says six less than which means 20x subtracted by 6

Apply the distributive property and simplify. -9(x+2)=45 -9x+(__)=45

Answers

Answer -18 if a negative is multiplied by another that makes it a negative

Line segments AB and CD are both part of the dame non-vertical line,and the slope of line segment AB is 6, hsing similar triangles,what can you show the slope of line segment CD to be?
A. -6
B. -1/6
c. 1/6
d. 6​

Answers

Answer:

6

Step-by-step explanation:

f(x)=4x^2 − 10x+2
Find f(−7)

Answers

Answer:

f(-7)=268

Step-by-step explanation:

f(-7)=4x^2 − 10x+2

f(-7)=4(-7)^2-10(-7)+2

f(-7)=4(49)+70+2

f(-7)=196+72

f(-7)=268

Answer:

198

Step-by-step explanation:

4(-7)^2+70+2

196+2=198

if triangle dgh is congruent to triangle def find the value of x

Answers

Answer:

x = 25

Step-by-step explanation:

[tex] \triangle DGH\sim\triangle DEF... (given) [/tex]

[tex] \frac{DG}{DE} =\frac{GH}{EF} [/tex]

[tex] \frac{52}{91} =\frac{x+3}{2x-1} [/tex]

[tex] \frac{4}{7} =\frac{x+3}{2x-1} [/tex]

4(2x - 1) = 7(x + 3)

8x - 4 = 7x + 21

8x - 7x = 21 + 4

x = 25

1) Robert takes 10 days more than Peter to complete a job. If they work together they will
complete the job in 12 days. How long will Peter alone take to finish the job?

Answers

Answer:

2 days

Step-by-step explanation:

think about it it's simple math I'm in 7 th grade easy

The hypotenuse of a right triangle is 13 inches long. The shorter leg is 7 inches shorter than the longer leg. Find the side lengths of the triangle.

Answers

Answer:

5 and 12 inches

Step-by-step explanation:

Let the shorter leg be x.

13²=x²+(x+7)²

169=x²+x²+14x+49

169=2x²+14x+49

120=2x²+14x

120=2x(x+7)

60=x(x+7)

60=x²+7x

x=5

shorter length=5, longer length=12

What is the area of the following circle?
Either enter an exact answer in terms of pie or use 3.14 for pie and enter your answer as a decimal.
r=1


(20 points)

Answers

Answer:

3.14

Step-by-step explanation:

A= 3.14 x r to the power of 2

How to evaluate 11/2

Answers

Answer-

in decimal from: 5.5

in mixed number form: 5 1/2

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