MATHEMATICS HIGH SCHOOL

Help asap I only have 10 minutes!Heidi grew her hair out for many years. Her hair was 1 1/3 of a meter long. She donated her hair by cutting off 5/6of a meter.
How long is Heidi's hair now?

Answers

Answer 1

Answer:

Answer:

Heidi's hair is only half a meter long now.

1/2 of a meter

Step-by-step explanation:

1 1/3 - 5/6

= 1 2/6 - 5/6

= 3/6

= 1/2

I hope this helped! Happy new year :)

Answer 2

Answer:

Answer:

3/6 or 1/2 meter lomg.

Step-by-step explanation:

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PLEASE HELP DUE TODAY
Simplify (3(3n-10) - 2n + 5). The solution for (n) is: a) 2n - 25 b) 5n - 35 c) 7n - 25 d) 7n - 25

How many lines of symmetry does the isosceles trapezoid have

Answers

Answer:

one

Step-by-step explanation:

The one line of symmetry for an isosceles trapezoid is the line that connects the midpoints of the parallel bases.

What is the solution to this system of linear equations?y − 4x = 7

2y + 4x = 2

(3, 1)
(1, 3)
(3, −1)
(−1, 3)

Answers

This can be determined by method of system of linear equation. Therefore, the correct option is D i.e. (-1,3) where, x= -1 and y = 3.

Given :

$y - 4x = 7$ ...(1)

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

To obtain the value of x and y,

From equation (1) find the value of y

$y=7+4x$ ...(3)

put this value in (2) and solve it further,

$\begin{aligned}2y+4x&=2\n2(7+4x)+4x&=2\n14+8x+4x&=2\n12x&=-12\nx&=-1\end{aligned}$ ...(4)

Put the value of x=-1 in equation (3),

Thus we get,

, $y=7+4(-1)\ny=7-4\ny=3$

Therefore, the correct option is D i.e. (-1,3) where, x= -1 and y = 3.

For further details, please prefer this link:

brainly.com/question/13631560

Good morning Sonny

y-4x=7

2y+4x=2

We need to solve -4x+y=7 for y

Now let's start by adding 4x to both sides

-4x+y+4x=7+4x

y=4x+7

Now substitute 4x+7 for y in 4x+2y=2 so we can find the value for x

4x+2y=2

4x+2(4x+7)=2

12x+14=2

Add -14 to both sides

12x=14-14=2-14

12x=-12

Now divide 12 to both sides so we can find x

12x/12=-12/12

x=-1

Now we need to find the value for y by substitute -1 for x in y=4x+7

y=4x+7

y=(4)(-1)+7

y=3

Work done ;)

Answer : x=-1 and y=3

(-1,3)

I hope that's help :0

What is the average rate of change of the function f(x)=5(2)^x from x = 1 to x = 5

Answers

f′(x)=5 × 1/(xln2)
use derivation

f′(x)=5 × 1/(xln2)
u need to use

(y 3 - 125) ÷ (y - 5)

Answers

Hello,

We suppose y ≠5
$(y^3-125)/(y-5)=((y-5)(y^2+5y+25))/(y-5)=y^2+5y+25$

What needs to be done before you try to solve the equation 2x2 = -6+ 8a?

Answers

Answer: You need to separate the variable (A) from the rest of the equation.

Step-by-step explanation:

Simplify and move everything except the variable
2x2 = -6 + 8a >>> 4 = -6 + 8a >>> 10 = 8a
Then, divide both sides by the amount of A (8)
10 / 8 = 1.25
8 / 8 = 1
1.25 = A

4) Eya is 5 years younger than 3 times Bill's age. If Eya is 28 years old, howold is Bill? Use an equation to solve. For the answer, only type Bill's age
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