11.9x+10.5y=178.5 Help me please

Answers

Answer 1
Answer: You wanna get the y by itself. So you will subtract 11.9 then move it to the other side. so that is 10.5y = -11.9x +178.5. Then divide everything by 10.5. Then you get y = -11.9x/10.5+17. 11.9x/10.5 is because you cant put 10.5 into 11.9 evenly so you leave it as a division problem. 
Answer 2
Answer: Let's solve for x.
11.9x
+10.5y
=178.5 

Step 1: Add -10.5y to both sides.
11.9x
+10.5y
+10.5y
=178.5+10.5y

11.9x
=10.5y+178.5

Step 2: Divide both sides by 11.9.


11.9x/11.9=10.5y+178.51/1.9
x=
0.882353y+15

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Evaluate the expression when a=4, b=−5, and c=−8. (−b)+c=

Answers

Answer:

-3

Step-by-step explanation:

(−b)+c=

Let b = -5 and c = -8

- (-5) + -8

5 -8

-3

The correct answer is -3. The 2 negative signs in the parentheses turns positive and add to -8.

Help!! 7th grade mathematics

Answers

I know that 4 is D and 6 is G

What number is greater 0.111 or 1.001. also 1.11 or 1.01

Answers

Answer:

0.111<1.001

1.11 > 1.01

Step-by-step explanation:

To identify the greater number from decimal number.

Rule: First we check number or digits before decimal.

  • If digit is greater than number is greater than.
  • If digit is smaller then number is smaller
  • If digit is same then check digit after decimal.

# 0.111 or 1.001

In 0.111 digit before decimal is 0

In 1.001 digit before decimal is 1

As we know 0<1

So, 0.111<1.001

# 1.11 or 1.01

In 1.11 digit before decimal is 1

In 1.01 digit before decimal is 1

1 = 1 , So test fail. Now check digit after decimal.

In 1.11 digit after decimal is 1

In 1.01 digit after decimal is 0

As we know 1>0

So, 1.11 > 1.01

1.001 is greater than 0.111 because the 1 is automatically greater than zero.  1.11 is greater than 1.01 because there is a place in the tenths place in 1.11 but none for 1.01.

Help with this math problem

Answers

see explanations

Step-by-step explanation:

Formula for mid-point is;

midpoint=((x_1+x_2)/2,(y_1+y_2)/2)

1.Given S(-3,4), U(-3,0) and T(5,0) then finding the mid-points

SU = [(-3+-3)/2,(4+0)/2] =(-3,2)

TU= [(-3+5)/2,(0+0)/2] =(1,0)

ST=[(-3+5)/2,(4+0)/2]=(1,2)

2.Mid-point formula for this case given W(-5,1) and Z(3,3) will be;

Midpoint = [ (x₁+x₂)/2,(y₁+y₂)/2]

Midpoint= [(-5+3)/2 ,(1+3)/2]

Midpoint=(1,2)

3. Finding the length of segments and the midpoint of the segments

Formula for length of segment, d, is given as;

For C(-1,5) and D(5,1)

d=√((y_2-y_1)^2+(x_2-x_1)^2) \n\nd=√((1-5)^2+(5--1)^2) </p><p>=√(-4^2+6^2) =√(16+36) =√(52) =7.21

Midpoint of the segment CD will be

[(-1+5)/2,(5+1)/2] = (2,3)

For E (-3,-6) and F(5,0)

d=√((0--6)^2+(5--3)^2) =√(6^2+8^2) =√(36+64) =√(100) =10

The midpoint for segment EF will be;

[(-3+5)/2 ,(-6+0)/2] =(1,-3)

For L(-4,4) and M(-1,-5)

d=√((-5--4)^2+(-1-4)^2) \nd=√(-1^2+-5^2) \n\nd=√(1+25)=√(26) =5.1

Learn More

Midpoint of a segment :brainly.com/question/10424143

Distance of a segment :brainly.com/question/11591660

Keywords :midpoint, midpoint formula, segment length, line segment

#LearnwithBrainly

What is the area of a triangle with a base of 5cm and height with 3cm

Answers

(5x3)/2 = 7.5cm^(2)

What is an equation of the line that passes through point (8,0) and is parallel to the line x+y=5

Answers

The required equation of the line is y = 8 - x.

Given that,
To determine an equation of the line that passes through the point (8,0) and is parallel to the line x+y=5

What is the slope of the line?

The slope of the line is a tangent angle made by line with horizontal. i.e. m =tanx where x in degrees.

Here,
Given equation,

x+y=5
y = -x + 5
m = -1
Since the slope of parallel lines are equals.
So the equation of the line is given as, which is passing by (8,0)
y - 0 = -1 (x - 8)
y = 8 - x

Thus, the required equation of the line is y = 8 - x.

Learn more about slopes here:
brainly.com/question/3605446

#SPJ2

Answer:

y = -x + 5

y - 0 = - (x - 8)

y = -x + 8

Step-by-step explanation: