I need help, please.

I Need Help, Please.

Answers

Answer 1
Answer: A
16x^2 - 56xy + 49y^2
4^2x^2 - 2 • 4x • 7y + 7^2y^2
(4x)^2 - 2 • 4x • 7y + (7y)^2
=(4x-7y)^2

Related Questions

RS=2x-8, ST= 11, RT= x+10

Answers

Answer:

X=7 ST=11 RT=17

Step-by-step explanation:

RT=RS+ST. RS= 2(7)-8. ST=11

X+10=2x-8+11. =14-8=6. RT= x+10

X+10=2x+3. RS=6. 7+10=17

10=x+3. RT=17

X=7

the smallest number by which 28 should be multiplied so as to get a perfect square is​

Answers

Answer:

7.

Step-by-step explanation:

28 = 2^2 * 7.

To multiply 28 to get a perfect square, we can multiply it by 7 to get 2^2 * 7^2, which is 14 squared.

Given: f(x) = 2x + 5 and g(x) = x2 and h(x) = -2x



h(g(f(x))) = _______

Answers

Answer:

Step-by-step explanation:

f(x)= 2x + 5

g(2x + 5)= (2x + 5)^2 = 4x^2 + 20x + 25

h(4x^2 + 20x + 25)= -2(4x^2 + 20x + 25)= -8x^2 -40x - 50

Answer

Step-by-step explanation:

What is 83/100 simplified?? PLEASE answer quick?

Answers

Answer:

Step-by-step explanation:

83/100 is already simplified. You can not make it smaller.

Given the data set below, find the mean,
4,8, 21, 9, 12,6
A.
10
B.
8.5
c.
17
D
12.5

Answers

Answer: A) 10
4+8+21+9+12+6=60
60/6= 10
To find the mean, you’ll add all the numbers and then divided be however many there are.

ms tabanelli deposits $20,000 in an account that has a 5% annual interest rate compound yearly. If she does not add to or withdraw from the account for 2 years, how much interest will she have earned for the 2-year period?

Answers

Answer:

$2050

Step-by-step explanation:

$20000×1.05×1.05 =

= $20000×1.05²

= $20000×1.1025

= $22050

$22050 - $20000 = $2050

The interest earned for a 2-year period is $2050

What is compound interest?

Compound interest simply means that the interest associated with a bank account, loan, or investment increases exponentially over time.

Given that, Ms Tabanelli deposits $20,000 in an account that has a 5% annual interest rate compound yearly, she does not add to or withdraw from the account for 2 years,

We know that,

[tex]A = P(1+r)^t[/tex]

A = amount

P = principal

r = rate

t = time

Putting all the values in the formula,

A = 20000(1+0.05)²

A = 20000(1.05)²

A = 20000×1.1025

A = 22050

Interest earned = Amount - Principal

= 22050 - 20000

= 2050

Hence, the interest earned for a 2-year period is $2050

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There are three consecutive integers. Four times the smallest integer is equal to six more than three times the smallest integer. What is the smallest of the 3 integers?

Answers

Let the smallest integer equal x - 1, the next one equal x, and the last one equal x + 1.

4(x-1) = 3(x-1) + 6

x-1 = 5

x = 6

The smallest integer is x - 1, which is equal to 5. Thus, the smallest of the three integers is 5.

What is P= I^2r when solving for I?​

Answers

Answer:

  [tex]I=\sqrt{\dfrac{P}{r}}[/tex]

Step-by-step explanation:

Divide by r and take the square root.

  [tex]P=I^2r\\\\\dfrac{P}{r}=I^2\\\\\boxed{I=\sqrt{\dfrac{P}{r}}}[/tex]

The next two numbers in the series 1 , 4 , 9 , 16 , 25 ,....................are

Answers

Answer:

36, 49

explanation:

The pattern in this series is going by perfect squares:

(1)² = 1(2)²= 4(3)² = 9(4)² =16(5)² = 25

From this, we can tell the next 2 numbers in the series will be:

(6)²=36(7)²=49

A triangular window has area
24 square feet and height six feet.
What is its base?

Answers

The base is 8 square feet

Find the 12th Term of the sequence -16, -12,-8,-4...

Answers

Answer:

32

Step-by-step explanation:

You can keep adding 4 from -16 for a total of 12 times to get 32

or you can multiply 12*4 to get 48 and subtract 16 from it

hope this is good enough

Well it’s adding 4 so it would be 28

For which equations are in the solution for x the same number? 15 – х = -3
3

Answers

Answer:

Step-by-step explanation:

First equation:

          15 - x = - 3

           -x = - 3 - 15

          -x  =  -18  (now negative signs on b.s cut eachother)

            [x  =  18]

Second equation :

         15 - x = 3

          -x = 3 - 15

          - x = -12 ( now negative sign on b.s cut eachother)

            [x = 12]

so x = 18 and x = 12 are not same

I need help please 4x-6y=36 how to show my work please help it would mean a lot :)

Answers

Answer:

Solving for x:

[tex]x = \frac{3}{2} y + 9[/tex]

Solving for y:

[tex]y = \frac{2}{3} x - 6[/tex]

Step-by-step explanation:

Please see the attached picture for full solution.

Which algebraic expression represents "the sum of a number and 9"?
On-g
On+ 3
Ogn
n

Answers

Answer

n+9

Step-by-step explanation:

If angle PQT = (3x + 47)* and angle PQR = (6x - 25)', find the measure of angle SQR.

Answers

Since , angle PQT and PQR are in a line .

So ,  PQT=PQR

(3x + 47) + (6x - 25) = 180

x = 17.56

Now , PQR and SQR are also in same line .

So , PQR + SQR = 180

( 6x - 25 ) + SQR = 180

105.33 - 25 + SQR = 180

SQR = 99.67°

Hence , this is the required solution .

What are the steps to solving the inequality 3b + 8 2 14?
O Subtract 8 from both sides of the inequality. Divide both sides of the inequality by 3.
O Subtract 8 from both sides of the inequality. Change the direction of the inequality. Divide both sides of the
inequality by 3.
O Divide both sides of the inequality by 3. Subtract 8 from both sides of the inequality.
O Divide both sides of the inequality by 3. Change the direction of the inequality. Subtract 8 from both sides of the
inequality.

Answers

Answer:

Subtract 8 from both sides of the inequality. Divide both sides of the inequality by 3.

Step-by-step explanation:

The given inequality is 3b + 8 ≥ 14

We need to solve the given inequality

Step 1.

Subtract 8 to the both sides of the inequality

3b + 8 - 8 ≥ 14 -8

3b ≥ 6

Dividing both sides by 3

b ≥ 2

The value of b is greater than and equal to 2.

Hence, the correct option is (a).  

How many hundreds are in 200+10+6?

Answers

Answer:

200+10+6=216

Step-by-step explanation:

2 hundred and 16 is in word form

Since 200 can be written as a sum of 2 100's, hence there are two hundred in the expression given,

Given the expression 200 + 10 + 6

Each term can be written in words as shown:

200 is two hundred

200 = 100 + 100

Since 200 can be written as a sum of 2 100's, hence there two hundred in the expression given,

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This figure is a square, with side lengths as shown. What are the perimeter and the area of the square?

Answers

Answer:

Step-by-step explanation:

Parameters:

As square has all equal sides in  his shape.

then length and width will be equal.

parameters will be

LENGTH,LENGTH,WIDTH,WIDTH

Area:

area of square is known as A= a^2

a= parameter of square (as all parameters are equal,you put one parameter to find area of square)

The required perimeter of the square is 4 times side and the area of the square is ( side ) ².

Given that,
To determine the perimeter and the area of the square.


What is a square?

A square is defined as it is a four-sided polygon, having angles of 90° on its vertices, and the length of all four sides is equal.

What is the perimeter?

Perimeter is the measure of the figure on its circumference or it is overall boundary length of the figures.

Here,
The perimeter of the square is given as the sum of all sides,
= side + side + side + side
= 4 x side

The area of the square is multiplied of two adjacent side
= side x side
= ( side )²

Thus, the required perimeter of the square is 4 times side and the area of the square is (side)².

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please help will mark brainlist​

Answers

Step-by-step explanation:

Step by Step Solution:

More Icon

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "/-19" was replaced by "/(-19)".

Rearrange:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

s/(-19)-(-29)=0

Step by step solution :

STEP

1

:

s

Simplify ———

-19

Equation at the end of step

1

:

s

——— - -29 = 0

-19

STEP

2

:

Rewriting the whole as an Equivalent Fraction

2.1 Subtracting a whole from a fraction

Rewrite the whole as a fraction using -19 as the denominator :

-29 -29 • -19

-29 = ——— = —————————

1 -19

Equivalent fraction : The fraction thus generated looks different but has the same value as the whole

Common denominator : The equivalent fraction and the other fraction involved in the calculation share the same denominator

Adding fractions that have a common denominator :

2.2 Adding up the two equivalent fractions

Add the two equivalent fractions which now have a common denominator

Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible:

s • -1 - (-29 • 19) 551 - s

——————————————————— = ———————

19 19

Equation at the end of step

2

:

551 - s

——————— = 0

19

STEP

3

:

When a fraction equals zero

3.1 When a fraction equals zero ...

Where a fraction equals zero, its numerator, the part which is above the fraction line, must equal zero.

Now,to get rid of the denominator, Tiger multiplys both sides of the equation by the denominator.

Here's how:

551-s

————— • 19 = 0 • 19

19

Now, on the left hand side, the 19 cancels out the denominator, while, on the right hand side, zero times anything is still zero.

The equation now takes the shape :

551-s = 0

Solving a Single Variable Equation:

3.2 Solve : -s+551 = 0

Subtract 551 from both sides of the equation :

-s = -551

Multiply both sides of the equation by (-1) : s = 551

Asia has $15.45 to buy chips for a party. Each bag costs $2.13. How many can she buy?

Answers

Answer:

She can buy 7 bags of chips

Step-by-step explanation:

just take 15.45 and divide it by 2.13

Answer:

7

Step-by-step explanation:

If you divide both numbers you will get 7.253. When it's a decimal, you will round down, which gives you the answer of 7

To estimate your average monthly salary, divide your yearly salary, y, by the
number of months in a year. Write and solve an equation to determine your
yearly salary when your average monthly salary is $4560.

Answers

Answer:

$54,720

Step-by-step explanation:

If you make $4560 a month and there are 12 months in a year the equation would be...

$4560 * 12 = yearly salary

4560 * 12 = 54720

So your yearly salary is $54,720

Hope this helps!

Rey baked 144 desserts in 6 1/4 months. Find reys dessert making rate in desserts per month.

Answers

Answer:

23 1/25 desserts per month

Mary has some trading cards.

Answers

Answer:

Step-by-step explanation:

36 divided by 3. I think.

Answer:

Divide 3 by 36 and simplify your answer

Step-by-step explanation:

Which fraction is simplified fraction of 28/56

Answers

Answer:

1/2

Step-by-step explanation:

Answer:

[tex]\frac{1}{2}[/tex]

Step-by-step explanation:

28 * 2 = 56.

arange the following expressions in order of their value from least to greatest. a. 4 − 6 b. −4 + 6 c.−4 − 6

Answers

Answer: C. -10, A -6, B 2

Step-by-step explanation:

Which property is illustrated?
x+y=y+x

Answers

Answer:

The Communitive Property of Addition

Step-by-step explanation:

The properties are

Communitive: You can switch the order and still get the same answer

Assosiative: You can switch what numbers are in the parentheses and still get the same answer (if you're only adding) a+(b+c)=c+(a+b)

Distributive: (a*b)+(a*c)=a*(b+c)

Identity: You can add a number with 0 and get the same number you started with

y+x=x+y is the communitive property because, no matter which order the numbers are, you get the same answer

How many integers satisfy the inequality (x 2 – 4)(x 2 – 10) < 0?

none
two
four
an infinite number

Answers

Answer:

4

Step-by-step explanation:

solution: −√10<x<−2 or 2<x<√10

√10=3.16

-3,-2,2,3

The 2 and -2 are the integers satisfy the inequality.

It is required to find the number of integers .

What is inequality?

The relation between two expressions that are not equal, employing a sign such as ≠ ‘not equal to’, > ‘greater than’, or < ‘less than’.

Given:

For (x²– 4)< 0;

x²<4

By taking the square root of both sides we have,

√x²<√4

x < ±2

x<2 and x<-2

Also,

x²<10

By taking  the square root of both sides we get,

√x²<±√10

x < ±√10

x<√10 and x<-√10

The √10 is not an integer but an irrational number. An integer  is a whole number (not a fractional number) that can be positive, negative, or zero.

So we can't take the integer of ±√10.

Therefore, the 2 and -2 are the integers satisfy the inequality.

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Josh wrote a whole number using the digits 8,4,7,2,9 and 0. Josh's number has a seven in the thousands and a 2 in the tens place. Josh's number is less then 500,000. Is Josh's number greater than 480,000?

Answers

Answer:

4 out of the 6 possible numbers Josh wrote were greater than 480,000, while 2 out of the 6 possible numbers are less than 480,000

Step-by-step explanation:

The given parameters are;

The number with which Josh wrote the whole number = 8, 4, 7, 2, 9, and 0

The number in the thousands of the whole number that Josh wrote = 7

The number in the tens of the whole number that Josh wrote = 2

The value of the whole number that Josh wrote < 500,000

Therefore, we have;

The possible numbers in the hundreds of thousands place = 4, and 2

Which gives the following possible combinations;

The number of ways of selecting the first number = 1 way, the number is 4 to make the value less than 500,000

The number of ways of selecting the second number = 3 ways

The number of ways of selecting the third number = 1 way, the number is 7

The number of ways of selecting the fourth number = 2 ways as there are only two numbers left after filling the second place digit

The number of ways of selecting the fifth number = 1 way, the number is 2

The number of ways of selecting the sixth  number = 1 ways

The total number of possible number combinations = 3×2×1 = 6 possible numbers, which are;

487920 or 497820 or 407829 or 407928 or 487029 or 497028

Therefore, 2 out of the numbers are less than 480,000, the remaining 4 possible numbers are larger than 480,000.

Exercise #2: Jenna is carrying a bucket that holds 2.5 gallons of water. Water weighs 8.34 pounds
per gallon and the bucket itself weights three-quarters of a pound. What is the total combined
weight of the water and bucket that Jenna is carrying! Show the work that leads to your answer

Answers

Answer:

21.6 Pounds

Step-by-step explanation:

Multiply 2.5 by 8.34 to get 20.85 pounds of water

add the weight of the bucket (.75) to the weight of the water (20.85) to get 21.6 pounds total

Rewrite as a simplified fraction.
1.6 repeating = ?
Pleaseeee help

Answers

Answer:

5/3

Step-by-step explanation:

1.6 repeating is equal to 5/3

The repeating decimal 1.6 can be written as the simplified fraction 5/3.

To rewrite the decimal 1.6 repeating (1.6) as a simplified fraction, we can use algebraic manipulation. Let's denote 1.6 as x:

x = 1.6

Now, to eliminate the repeating decimal, we can multiply both sides of the equation by 10 (since there is one digit repeating after the decimal point):

10x = 16.6

Next, subtract the original equation from the multiplied equation to eliminate the repeating decimal:

10x - x = 16.6 - 1.6

This simplifies to:

9x = 15

Finally, divide both sides by 9 to solve for x:

x = 15 / 9

Now, we simplify the fraction:

x = 5/3

Therefore, the repeating decimal 1.6 can be written as the simplified fraction 5/3.

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