Mathematics High School

How is this equation wrong?? I’m giving brainlest

Answers

Answer 1

Answer:

It isn't?

Step-by-step explanation:

Step 1:

x + 8y = 21

x + 8y - 8y = 21 - 8y

x = -8y + 21

Step 2:

(-8y + 21) + 8y = 21

-8y + 21 + 8y = 21

21 = 21

Related Questions

-0.1=-10c. Solve each equation

Answers

Answer:

c = 0.01

Step-by-step explanation:

divide both sides by -10 to isolate c

-0.1 = -10c

/-10. /-10

0.01 = c

c = 0.01

The answer to this question is 0.01

6 1/4 - 2 3/4 = ?

please help lol

Answers

Answer:

3 1/2

Step-by-step explanation:

Rewriting our equation with parts separated

=6+1/4−2−3/4=6+1/4−2−3/4

Solving the whole number parts

6−2=4/6−2=4

Solving the fraction parts

1/4−3/4=−2/4 1/4−3/4=−2/4

Reducing the fraction part, 2/4,

−2/4=−1/2−2/4=−1/2

Combining the whole and fraction parts

4−1/2=3 1/2

96 / 2^5 - 2 please help asap

Answers

Answer:

1 is the right answer

Hope it helps!

Thanks!

Answer:

It equals 1.

Step-by-step explanation:

2^5=32, 96/32=3, 3-2=1.

Which equation is not linear?

y = –3x + 4
y = 6x
y = 3
y = x5 – 1

Answers

Answer:

y=3 maybe

Step-by-step explanation:

Find the slope of the line y= -8/5x + 2

Answers

Step-by-step explanation:

Given

y = - 8 /5 x + 2

Comparing the given equation with y = mx + c

slope (m) = - 8/5

Hope it will help :)

Answer:

-8/5

Explanation:

The equation is written in slope-intercept form, aka y = mx + b, where m is the slope and b is the y-intercept.

In slope intercept, the slope is always the number that comes before x.

In the equation y = -8/5x + 2, that number is -8/5.

Hence, the answer is -8/5.

Please help me find the value of x

Answers

Answer:

x = 36 degrees

Step-by-step explanation:

We can use exterior angles theorem to find that 140 degrees is equal to x plus 104 degrees. We subtract 104 degrees on both sides and get that x is 36 degrees.

Can someone reply with how this works

Answers

Uhm I think you forgot something

hiii!! i might be able to help i just need to know what your question is specifically :) hope you had a good day!!

Which set of ordered pairs does not represent a function?
O {(0,6), (5,-4), (3, -4), (8,-6)}
O {(6,-1), (-6, -1),(-2,-8),(-4,9)}
O {(-3, -3), (4,1),(-3,3), (2, 2)}
O {(1,-4), (5, -7), (-3,-6), (-2,-4)}

Answers

the third one (-3,-3) (4,1) (-3,3) (2,2)

How many kilograms of chocolate will each person get if 4 people share 13 of a kilogram of chocolate equally?

Answers

Step-by-step explanation:

hope it helps

plz rate my answer

Luna has n colored cards. Some are red and some are blue. The ratio of the number of red cards
to the number of blue cards is 5:2. Luna has 60 red cards.
Find an

Answers

Answer:

n = 84 and there are 24 blue cards

Step-by-step explanation:

I'm guessing you're either trying to find n or the number of blue cards.

To find the number of blue cards:

Luna has 60 red cards and the ratio of red to blue cards is 5:2.

If you divide 60 by 5 (the number of red cards divided by the ratio for red cards) you get 12, which would be 1 in the ratio. The number in the ratio for blue cards is 2, so multiply 12 by 2 and you get 24. Therefore, the number of blue cards is 24.

If the explanation is confusing (which I know it is, sorry) you can look at it like this, and this is also a check:

The ratio of red to blue cards can be written as 5/2. If you do 5 ÷ 2, you get 2.5 and if you divide 60/24, you get 2.5

To find n, the number of cards Luna has, just add the number of red cards and the number of blue cards: 60 + 24 = 84

simplify (2/9 × 45/15) - 7/24

Answers

I hope this helps! have an amazing day!

Answer:

3/8

Step-by-step explanation:

(2/9 x 45/15) - 7/24

45/15 = 3

(2/9 x 3) - 7/24

2/9 x 3 = 6/9 = 2/3

2/3 - 7/24

2/3 = 16/24

16/24 - 7/24 = 9/24

9/24 = 3/8

What is 0=0

Infinite solution or no solution?

Answers

Answer:

no solution i think hehe 0=0

HELLP!! U WILL GET I,000 POINTS Alistair writes the system of equations below. 2x+3y=−60 2x+3y=120 ------------------------------------------------------------------------------------------------------------------------ Which statement describes the solution to this system of equations? There is exactly (2,3) There is exactly one solution (-60,120) There is no solution to the systems of equations There are infinite numbers of the solution to the system

Answers

Answer:

Step-by-step explanation:

Does it say what x and y equals

Answer: there is no solution to the system of equation

Step-by-step explanation:

Find the perimeter of the semicircle below. Use 3.14 for
pi.
1.6 ft

Answers

Answer:

8.2ft

Step-by-step explanation:

Perimeter of a whole circle = 2*pi*r with radius r

Here we have 1.6ft as the radius so the whole circle's perimeter would be

2 * 3.14 * 1.6 = 10.048

We have half the circle so we half this number to 5.024.

Now we have to add the bottom straight line, which is two radii (two lots of 1.6)

5.024 + 1.6 + 1.6 = 8.224 which is rounded to 8.2ft

cuantas monedas de 20 son 15€ ?

Answers

Answer: 75

Step-by-step explanation:

According to the Marshall’s survey, 80 sixth graders, or 40% of the students in sixth grade like to have school remote. How many sixth graders are there in Marshall Middle School?

NEED HELPPPP

Answers

Answer:

200

Step-by-step explanation:

If 80 represents 40% of the total then 10% = 20

100% of the total: 20 x 10 = 200

Simplify negative 4 and 1 over 4 − negative 9 and 1 over 2. Help ;---;

Answers

Answer:

-53/4

Step-by-step explanation:

=-4+1/4-9+1/2

=-16+1-36+2/4

=-53/4

WHO HAS READ THE PEARL, BY JOHN STEINBECK( IN NEED OF HELP FAST) EMMERGENCY

Answers

Answer:

me me me omg

Step-by-step explanation:

Which fraction is equivalent to 1/6?

Answers

Answer:

There could be many answers: 2/12, 3/18, 4/24...

Step-by-step explanation:

You never really gave options but all you do is just take 1/6 and multiply the top and bottom by a certain number to get what you're looking for, for example 1/6 times 2, both on the top and bottom will get you 2/12 because 1 times 2 is 2 and, 6 time 2 is 12. :)

Answer:

2/12 6/36 there's alot more

que es la regla de los signos

Answers

Answer:

La regla de los signos son los positivos y los negativos.Pero otra cosa son cuales son las raglas de los signos.

Calculate the area of the trapezoid

Answers

Answer:

180 in^2

Step-by-step explanation:

area = 5(sq rt 75) x (sq rt 27) - [5(sq rt 75)-5(sq rt 27)] x 3(sq rt 3) x 0.5

area = 180 in^2

A house is located at the center of a circular lot, exactly 10 yards from the edge of the lot. How much fencing will the homeowner need to surround the entire lot?

Answers

62.8 is the answer. Good luck

At 6:00 A.M., the temperature was 10º below zero. During the day, the temperature rose an average of 2º per hour. If h represents the number of hours since 6:00 A.M., which equation represents the temperature T?

Answers

Answer:

10+2h=T

hope this helps :)

If (2,-6) is rotated 90 degrees clockwise what would be the coordinates

Answers

Answer:

Step-by-step explanation:

Rotating (2,-6) 90 degrees results in (6,2)

A medium pizza at Pizzaz Pizza
costs $12 plus 1.00 per topping,
A medium pizza at Crustie's
Pizza costs $10 plus $1.50 per
topping. How many toppings
does it take so that a medium
pizza costs the same at each
pizzeria? Define your variables,
write a system of equations, and
solve

Answers

Answer:

Step-by-step explanation:

Answer:

it would take four toppings so that a medium pizza would cost the same at a pizzeria

-1/2x-8=hx-8 what does h equal?

Answers

Answer:

H = -1/2

Step-by-step explanation:

f(x)= y-x/x^2-16

(that’s a fraction; and the ^ indicates the 2 is a exponent)

Answers

Answer:

= 1/x^2

Step-by-step explanation:

Possible derivation:

d/dx(-16 - 1/x + y)

Differentiate the sum term by term and factor out constants:

= d/dx(-16) - d/dx(1/x) + d/dx(y)

The derivative of -16 is zero:

= -(d/dx(1/x)) + d/dx(y) + 0

Simplify the expression:

= -(d/dx(1/x)) + d/dx(y)

Use the power rule, d/dx(x^n) = n x^(n - 1), where n = -1.

d/dx(1/x) = d/dx(x^(-1)) = -x^(-2):

= d/dx(y) - -1/x^2

Simplify the expression:

= 1/x^2 + d/dx(y)

The derivative of y is zero:

= 1/x^2 + 0

Simplify the expression:

Answer: = 1/x^2

A circle has an area of 113 square centimeters. What is the radius of the circle?

Answers

So, first you want to have 113 then you are going to want to divide it by pi or 3.14. After that, square it.

Your answer would be 6

Rashaad went to the store to buy some apples. The price per pound of the apples is $4.75 per pound and he has a coupon for $2.50 off the final amount. With the coupon, how much would Rashaad have to pay to buy 5 pounds of apples? Also, write an expression for the cost to buy
p
p pounds of apples, assuming at least one pound is purchased.

Answers

Answer:

21.75

Step-by-step explanation:

sorry if im wrong

The area of the figure is how many square units?

Answers

Answer:

hope it helped

have a nice day mate

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