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3 years ago

What is (-8,10) and (5,-3) written in standard form?

Mathematics

1 answer:

Lady_Fox [76]3 years ago

4 0

Answer:

x+y=2

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(-3-10)/(5-(-8))

m=-13/(5+8)

m=-13/13

m=-1

y-y1=m(x-x1)

y-10=-1(x-(-8))

y-10=-(x+8)

y-10=-x-8

y=-x-8+10

y=-x+2

y-(-x)=2

y+x=2

x+y=2

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Brad wants to buy flowers for his friend with $33. The daisies are $1 each and the roses are $3 each. He buys 3 more daisies tha

Darina [25.2K]

Let x=the amount of roses that Brad buys. (x+3)=the number of daisies that Brad buys.

x+(x+3)=33

Simplify this problem to find the amount of roses:

2x+3=33

2x=30

x=15

So, Brad buys 15 roses and 18 daisies.

Since roses cost $3, 15*3=45.

The roses cost $45.

Hope this helps! :)

8 0

3 years ago

4x + 9 = 2x + 15 .. I need help

valkas [14]

Answer:

x = 3

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Equality Properties

Step-by-step explanation:

Step 1: Define Equation

4x + 9 = 2x + 15

Step 2: Solve for x

Subtract 2x on both sides: 2x + 9 = 15
Subtract 9 on both sides: 2x = 6
Divide 2 on both sides: x = 3

Step 3: Check

Plug in x into the original equation to verify it's a solution.

Substitute in x: 4(3) + 9 = 2(3) + 15
Multiply: 12 + 9 = 6 + 15
Add: 21 = 21

Here we see that 21 does indeed equal 21.

∴ x = 3 is the solution to the equation.

3 0

3 years ago

Simplify 2a - 2/3b - 4 1/2a - 1/6b

ale4655 [162]

Answer can be wrote in two ways. -2.5a-5/6b or -5a/2-5b/6

4 0

3 years ago

3/5 ÷ 1/2 = ??????????????????

SpyIntel [72]

Rule for dividing fractions...

(a/b) / (c/d) = (a/b)*(d/c) = (ad)/(bc)

in this case:

(3/5)/(1/2)=(3/5)(2/1)=6/5=1 1/5=1.2

8 0

3 years ago

Read 2 more answers

The Canadian side of Niagara Falls has a flow rate of 600,000 gallons per second. How many gallons of water flow over the falls

Nady [450]

36,000,000 gallons

<h3>Further explanation</h3>

Given:

The Canadian side of Niagara Falls has a flow rate of 600,000 gallons per second.

Question:

How many gallons of water flow over the falls in 1 minute?

The Process:

We will solve the problem of finding many gallons of water flow over the falls in one minute. This is related to unit conversions.

Let us look carefully.

Every second flows 600,000 gallons of water.
In one minute, or 60 seconds, water flows as much as:

$\boxed{ \ = \frac{600,000 \ gallons}{1 \ second} \times 60 \ seconds \ }$

The second unit is crossed out.
The total zero from the multiplication above is six, while the yield of 6 times 6 is 36, so the final result is 36,000,000.

$\boxed{ \ 600,000 \ gallons \times 60 = 36,000,000 \ gallons \ }$

Thus, the amount of water flowing in a waterfall is $\boxed{\boxed{ \ 36,000,000 \ gallons \ }}$

<h3>Learn more</h3>

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Keywords: The Canadian side of Niagara Falls, a flow rate of 600,000 gallons per second, how many gallons of water flow, in 1 minute, unit conversions, the second unit is crossed out

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3 years ago

Read 2 more answers