MATHEMATICS HIGH SCHOOL

Please help! I really need help I have more questions that I'll post after

Answers

Answer 1

Answer:

Answer:

6.25

Step-by-step explanation:

Answer 2

Answer:

Answer:

Step-by-step explanation:

48÷8=6

keep the questions coming

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Two lines are parallel. The equation for the first line is y=-3x+5. Which of the following can't be the equation of the second line?A. y=-3x+2
B. x-3y=-3
C. 3x+y=-6
D. 6x+2y=2 Two lines are parallel. The equation for the first line is y=-3x+5. Which of the following can't be the equation of the second line?
A. y=-3x+2
B. x-3y=-3
C. 3x+y=-6
D. 6x+2y=2 @Mathematics

Answers

A common form of a line equation is:
y=mx + b , where m is the slope. If two lines are parallel they have equal slopes. So first step is to transform these equations to common form:
A) y=-3x+2
B) x-3y =-3
-3 y =- x-3 / :(-3)
y = 1/3 x +1, 1/3 ≠ -3
C) 3x + y = -6
y = -3x - 6
D) 6x + 2 y = 2
2y= - 6x+2 /:2
y = -3x +1
Answer:B)

so we know that y = -3x +5

choice A. y=-3x+2 is right so can being the equation of second line

choice B. x-3y =-3
-3y = -3-x

3y = 3+x

y = 3/3 +x/3

y = 1 + x/3 so this equation not can being the equation of second line sure

For which equation would x = 5 be a solution?x - 4 > 8
45 ÷ x < 9
x + 7 ≥ 12
8x ≤ 25.4

Answers

x+7>_12 is the correct answer because 7+5 is 12 and the equation is saying that 12 is equal to 12 which is true

A right Triangle is shown. if m angle H= 68°, What is GI? show work if you can and explain to me I don't understand

Answers

Ok, so we've been told that the angle H=68 degrees.

Let's now flip the right angled triangle 90 degrees clockwise.

If we do so, it turns out we'd have to find the opposite length of the right angled triangle (Opp) which is GI. We know that we have the adjacent (Adj) length of this triangle which is in fact 2cm. What we also know is that:

tan(β)=Opp/Adj *Whereby "β" is an angle.

As β=68 degrees, Opp=GI and Adj=2:

tan(68)=GI/2

Therefore:

GI = 2 * tan(68)

GI = 4.95 cm (to 2 decimal places)

If 6x −3 = −5x +7, then x =?
Can someone explain this one?

Answers

The average rate of change in the interval is r{a} = 15.

What is equation modelling? What is a mathematical equation and expression?

Equation modelling is the process of writing a mathematical verbal expression in the form of a mathematical expression for correct analysis, observations and results of the given problem.

A mathematical expression is made up of terms (constants and variables) separated by mathematical operators.

A mathematical equation is used to equate two expressions.

Given is the equation as -

6x −3 = − 5x +7

We have -

6x −3 = − 5x +7

6x + 5x = 7 + 3

11x = 10

x = 10/11

Therefore, thevalue of [x] will be equivalent to 10/11.

To solve more questions on equations, expressions and polynomials, visit the link below -

brainly.com/question/17421223

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$6x-3=-5x+7$

$6x-3+3=-5x+7+3$

$6x+5x=-5x+5x+10$

$11x=10$

$x=(10)/(11)$

2x-3y=-143x-2y=-6
if (x,y) is a solution to the system of equations above, what is the value of x-y?
A)-20
B)-8
C)-4
D)8
can you show your work please