help me please !!!??!!?

Answer:

1.x^2-5x

2.2x^2+15x+18

3. x^2+20x+18

Step-by-step explanation:

1.  x(x-5) x*x-5*x = x^2-5x

2. (x+6)(2x+3) x*2x+x*3+6*2x+6*3= 2x^2+15x+18

3.(2x^2+15x+18)-(x^2-5x)=x^2+20x+18

Step-by-step explanation:

it is the formula to calculate the time

in the formula

t = I / pr

t stands for time.

I stands for interest.

p stands for principal.

r stands for rate.

Hope it helps. :)

Answer:

7/96

Step-by-step explanation:

to find the answer you need to multiply both numerators together and put that over the product of the denominators, this is going to leave you with a fraction smaller than the original fractions. that is normal, because you are multiplying terms smaller than one together. same applies to decimals less than one

Answer:

Let's simplify step-by-step.

3(2y−9)−(5y+4)

Distribute the Negative Sign:

=3(2y−9)+−1(5y+4)

=3(2y−9)+−1(5y)+(−1)(4)

=3(2y−9)+−5y+−4

Distribute:

=(3)(2y)+(3)(−9)+−5y+−4

=6y+−27+−5y+−4

Combine Like Terms:

=6y+−27+−5y+−4

=(6y+−5y)+(−27+−4)

=y+−31

Answer:

=y−31

Step-by-step explanation:

This is so simple so here...

A right angle is 90 degrees.

We learn that WXZ is 35 degrees.

90-35=55

YXZ is 55 degrees. I hope I could help!

Answer:

4/5

Step-by-step explanation:

Given that:

Number of options = a, b, c, d, e

Number of correct answer choice = 1

Therefore, number of wrong answers = 4

Recall :

Probability = (number required outcome / number of total possible outcomes)

P(wrong answer) :

Number of Required outcome = number of wrong answer choices = 4

Total answers = 5

Hence,

P(wrong answer) = 4 / 5 = 0.8

Answer:

-3+-2

Step-by-step explanation:

Answer:

165

Step-by-step explanation:

Answer: 165

Step-by-step explanation:

I think (i said think) the answer is E

Answer:

30

Step-by-step explanation:

First: f(3)=2(3) is 3F=6, divide by 3 on each side and F=2.

Second g(3)=5(3) is 3G=15, divide by 3 on each side and G=5.

Finally, f(g)(x) is (2)(5)(3) = 10x3 = 30.

The value of the function f ( g ( x ) ) when x = 3 is 30

What is Composition of functions?

Evaluation of a function at the value of another function is known as Composition of function. A function composition is a process in which two functions, f and g, form a new function, h, in such a way that
h(x) = g(f(x)). This signifies that function g is being applied to the function x. So, in essence, a function is applied to the output of another function.

Given data ,

Let the first function be f (x ) = 2x

Let the second function g ( x ) = 5x

Now ,

The composite function is of the form f ( g ( x ) ) ,

So assign the value of x in f ( x ) as x = g ( x )

And , g ( x ) = 5x

So , the composite function will be

f ( 5x ) = 2 ( 5x )

          = 10x

Now , when x = 3

f ( g ( 3 ) ) = 10 x 3

               = 30

Therefore , the value of f ( g ( 3 ) ) is 30

Hence , the value of the function f ( g ( x ) ) when x = 3 is 30

To learn more about composite functions click :
https://brainly.com/question/17673639

#SPJ6

Answer:

288

Step-by-step explanation:

384 *.25=96

384-96=288

Answer:

x=4

Step-by-step explanation:

By SAS we know that

[tex]\triangle ABE \sim \triangle ADC[/tex]

by a ratio of

[tex]1:2[/tex]

so we have

[tex]\frac{BE}{DC}=\frac{1}{2}\\\\2BE=DC\\\\2(x+2)=12\\\\2x+4=12\\\\2x=12-4\\\\2x=8\\\\x=4[/tex]

Answer:

Colour of coat

Step-by-step explanation:

We are told that the veterinarian wants to determine if a supplement with both glucosamine and chondroitin would be more beneficial than glucosamine alone for dogs’ joint health.

In randomized block design, blocking is the arrangement of experimental units in groups known as blocks which are similar to one another.

Looking at the options given, by blocking on size, age or dog breed, the source of variability which led to the inconclusiveness initially would be controlled which then leads to a greater accuracy in result. Since there can be big, medium and small size of dog: there can be older or younger dogs: there can be different type of dog breeds as well. All these can likely affect the results of the experiment.

Whereas, blocking on colour of coat is not an appropriate variable because it has no effect on the experiment.

Answer: x=4

Step-by-step explanation:

We know that line segment AC= AB + BC

we also know that AB= 3x+8 and BC= 2x-5

by substituting these, we get AC= (3x+8)+(2x-5)

AC is given as being 23, so we know that

23= (3x+8)+(2x-5)

by combining like terms, we get that

5x+3=23

simplify this to get that x=4

Answer:

6/7

Step-by-step explanation:

you already have a common denominator, so 4/7 plus 2/7 is 6/7

Answer:

[tex]\boxed{\frac{6}{7} }[/tex]

Step-by-step explanation:

[tex]\frac{4}{7} + \frac{2}{7}[/tex]

[tex]= \frac{4 + 2}{7}[/tex]

[tex]= \frac{6}{7}[/tex]

Answer:

[tex]128\pi[/tex]

Step-by-step explanation:

Formula of cylinder: [tex]\pi r^{2} h[/tex]

[tex](\pi )(4^{2}) (8)[/tex]=128pi

Answer:

the answer is 175%

Step-by-step explanation:

I hope this helped and if it did I would appreciate it if you marked me Brainliest. Thank you and have a nice day!

I got the answer wrong, this apparently is the correct answer. My deepest apologies.

57.14% is the answer that I put and it was incorrect.

Answer:

78

Step-by-step explanation:

x+(x+2)+(x+4)=228

x+x+2+x+4=228

3x+6=228

Subtract 6 from both sides

3x=228-6

3x=222

Divide both sides by 3

x=74.The first number is 74

The second number (x+2)=74+2=76

The third number (x+4)=74+4=78

Answer:

2

Step-by-step explanation:

Answer:

2

Step-by-step explanation:

Answer:

C)

Step-by-step explanation:

The other ones do have symmetry but it's not in the same direction

(not entirely sure but the way they are shown this makes the most sense)

Hope this helped! :)

Final Answer: 652

Steps/Explanations/Reasons:

Question: 100 + 10 - 8 + 60 - 80 + 700 + 20 - 150

Step 1: Simplify [tex]100 + 10[/tex] to [tex]110[/tex].

[tex]110 - 8 + 60 - 80 700 + 20 - 150[/tex]

Step 2: Simplify [tex]110 - 8[/tex] to [tex]102[/tex].

[tex]102 + 60 - 80 + 700 + 20 - 150[/tex]

Step 3: Simplify [tex]102 + 60[/tex] to [tex]162[/tex].

[tex]162 - 80 + 700 + 20 - 150[/tex]

Step 4: Simplify [tex]162 - 80[/tex] to [tex]82[/tex].

[tex]82 + 700 + 20 - 150[/tex]

Step 5: Simplify [tex]82 + 700[/tex] to [tex]782[/tex].

[tex]782 + 20 - 150[/tex]

Step 6: Simplify [tex]782 + 20[/tex] to [tex]802[/tex].

[tex]802 - 150[/tex]

Step 7: Simplify.

[tex]652[/tex]

~I hope I helped you :)~

Answer:

3y - 4x + 7 = 0

Step-by-step explanation

The equation of the line l in point slope form is expressed as;

y-y0 = m(x-x0)

Get the slope m of the known line

Given the line 3x+4y=8

4y = -3x+8

y = -3x/4 + 2

m = -3/4

The slope of the line m = -1/(-3/4) = 4/3

Substitute m = 4/3 and the point (2,-5) into the expression above;

y - (-5) = 4/3(x-2)

y+5 = 4/3 x + 8/3

Multiply through by 3;

3y + 15 = 4x + 8

3y-4x + 15 - 8 = 0

3y - 4x + 7 = 0

Hence the equation that can be used to find the equation of line m is 3y - 4x + 7 = 0

Equation that can be used to find the equation of line m is

[tex]y+5=\frac{-3}{4} (x-2)[/tex]

Given :

Lines l and M are parallel. Line l can be represented by the equation 3x+4y=8

Line m passes through the point (2, -5)

Equation of line L is [tex]3x+4y=8[/tex]

Lets find out the slope of the given equation by writing it in y=mx+b form

where m is the slope

[tex]3x+4y=8\\4y=-3x+8\\y=\frac{-3}{4}x +2[/tex]

the slope of line L is [tex]\frac{-3}{4}[/tex]

Slope of parallel lines are equal

slope of parallel line M is also [tex]\frac{-3}{4}[/tex]

Line M passes through (2,-5)

We use point slope formula to find equation of line m

[tex]y-y_1=m(x-x_1)\\y+5=\frac{-3}{4} (x-2)\\[/tex]

Multiply both sides by 4

[tex]4(y+5)=-3 (x-2)\\4y+20=-3x+6\\3x+4y+20=6\\3x+4y=14[/tex]

equation can be used to find the equation of line  is

[tex]y+5=\frac{-3}{4} (x-2)[/tex]

Learn more :  brainly.com/question/19729250

Happy Holidays! :)

He swapped the Subtraction Property of Equality and the Multiplication Property of Equality.

The proper steps in order would be as shown:

3 + x / 2 = 10       Given equation

x / 2 = 7               Subtraction Property of Equality (-3 from both sides)

x = 14                    Multiplication Property of Equality (x2 on both sides)

Answer:

They intersect at (-4,-3)

Step-by-step explanation:

hope that helps

Answer:

ITS B

Step-by-step explabnation:

KEY WORD "PER" SO 20 ASSOCIATES WITH MULTIPLICATION

Answer:

f(t) = 55 = 4t

Step-by-step explanation:

Answer:

option A = 40(24) = option B = x (.1) where x is her gross sales

40(24) = x(.1)

40(24)/.1 = x = sales = $9600

Hope this helps....

Answer:1,920

Step-by-step explanation: First find the 24$ wage. which would be 960$. then you divide that by .5 which would equal

1920

-20a with reminder of 6 and Plus 17a with reminder of 2 over 2