Factorise 80 x + 30 need explaining clearly please

Answers

Answer 1

Answer: remember distributive
a(b+c)=ab+ac
reverse
ab+ac=a(b+c)
find a which is GCF

factor them and group

80x=2*2*2*2*5*x
30=2*3*5
GCF=2*5=10
a=10
80x+30=10(8x)+10(3)=10(8x+3)

Answer 2

Answer: 80 (x) + 30

80+30=110*

110(x)

30-110-80(x)

80-30=50-110=(x)+110+30+50/(x)

X has no solution

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CAN SOMEONE HELP ME FAST. thanksY= 3x + 2 Is the equation of a straight line graph. Where does it cross the y-axis? Also can you tell me how to work it out?

Answers

That equation is in what's called "standard form". It's the form where
'y' is all alone on one side and everything else is on the other side.
The reason it's called "standard form" is because when the equation
is written that way, you can just LOOK at it and tell so much about it.

   Y = (the number next to 'x') X + (a number all alone) .

When the equation is written like this:

-- If the 'x' has no power written, like x² or x³ , then
you know the graph of the equation is a straight line.

-- "The number next to x" is the slope of the line on the graph.
   If the number is positive, the line slopes up.
   If the number is negative, the line slopes down.

-- "The number all alone" is the y-intercept of the graph ...
   the point where the line crosses the y-axis.

Your equation is Y = 3 x + 2 .

-- The equation is written in 'standard form'.

-- The 'x' has no exponent written, so its exponent is ' 1 ',
   and you know the graph is a straight line.

-- The number next to 'x' is 3 .
   The line on the graph slopes up, and its slope is 3 .

-- The number all alone is 2 .
   The line on the graph crosses the y-axis at the point y=2 .

The equation is a straight line on the graph because it is in slope-intercept form. (y=mx+b) It crosses the x-axis at (0,2) since if you substitute 0 for x, it comes out as 2. (3*0=0, 0+2) The y-intercept is the y-value when x is 0.

A micrometer is one-millionth of a meter (0.000001): ten thousand times shorter than a centimeter (0.01). How many micrometer one is one edge of a centimeter cube?

Answers

Answer:

$1cm^3=0.000000000001mm^3$

Step-by-step explanation:

Given : 0.000001 mm = 0.01 cm

To find : How many $mm^3$ is in $1 cm^3$

Solution :

Step 1 : Given 0.000001 mm = 0.01 cm

Step 2: Cubing both side $(0.000001mm)^3 = (0.01cm)^3$

Step 3: Solve $(10^(-6))^3mm^3=(10^(-2))^3cm^3$

$\Rightarrow((10^(-6))^3)/((10^(-2))^3)mm^3=1cm^3$

$\Rightarrow(10^(-18))/(10^(-6))mm^3=1cm^3$

$\Rightarrow 10^(-18+6)mm^3=1cm^3$

$\Rightarrow 10^(-12)mm^3=1cm^3$

$\Rightarrow 0.000000000001mm^3=1cm^3$

Therefore, $1cm^3=0.000000000001mm^3$

If a cube has an edge of one centimeter and one centimeter is ten thousand times longer than a micrometer, then the edge has ten thousand micrometers.

I hope that's what you meant :)

Write a program that calculates how many days it takes to accumulate at least $1,000,000 if someone deposits one penny on the first day, two pennies the second day, four pennies on the third day and continues to double each day. The output should display the number of days

Answers

Answer:

Step-by-step explanation:

Let's do this in Python

day = 1

balance = 0

deposit = 0.01 # first deposit is 1 penny

while balance < 1000000: # execute the loop as long as balance is less than a million dollar

balance += deposit

deposit = deposit * 2 # double the deposit for the next time

day += 1 # add one to day for the next day

print(day) # print out result once loop ends

Simplify 24pn/18p^2 please and thank you

Answers

2np/27 is the simplified version of this question.

Good luck!

24pn/18p²

= 24np/18p²

= 24n/18p

= 4n/3p

I hope that's help;0

I need help for this homework

Answers

The exact value of cos(x - y) is 416/425.

What is trigonometry?

Trigonometry is a branch of mathematics that deals with the relationships between the sides and angles of triangles. It explores the properties of trigonometric functions, such as sine, cosine, and tangent, which are used to measure and calculate angles, lengths, and distances in triangles and other geometric shapes.

We can begin by using the trigonometric identity:

cos(x - y) = cosx cosy + sinx siny

We are given that sinx = 8/17 and tany = 7/24. We can use these to find cosx and cosy.

From sinx = 8/17, we know that:

$cosx = √((1 - sin^2x)) = √((1 - (8/17)^2)) = √((225/289)) = 15/17$

From tany = 7/24, we know that:

$cosy = 1/√((1 + tan^2y)) = 1/√((1 + (7/24)^2)) = 24/25$

Now we can substitute these values into the equation for cos(x - y):

cos(x - y) = cosx cosy + sinx siny

= (15/17)(24/25) + (8/17)(7/24)

= 360/425 + 56/425

= 416/425

Therefore, the exact value of cos(x - y) is 416/425.

To learn more about trigonometry, visit:

brainly.com/question/13729598

#SPJ1

The revenue, in dollars, of a company that produces jeans can be modeled by 2x2 + 17x – 175. The cost, in dollars, of producing the jeans can be modeled by 2x2 – 3x – 125. The number of pairs of jeans that have been sold is represented by x. The profit is the difference between the revenue and the cost, 20x – 50.

Answers

x=2.5 2.5 pairs of jeans try if it could help

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