The square of 9 less than a number is 3 less than the number. What is the number?
-12 or 7
-12 or -7
- 7 or 12
7 or 12

Answer:

A

Step-by-step explanation: :) am sure

Answer: A.  A reduction is a dilation that creates a smaller image, and an enlargement (think stretch) is a dilation that creates a larger image. If the scale factor is between 0 and 1 the image is a reduction. If the scale factor is greater than 1, the image is an enlargement.

Step-by-step explanation:

I hope this helps:)

Answer:

Whatever google said

Step-by-step explanation:

"The original bullet train, the Series 0, hit a speed of about 200 kilometers per hour, or about 125 mph. The speeds gradually increased through the years, reaching the current figure of 177 mph in 2015."

-Google

Sorry, I don't know it off of the top of my head, but heres a little dude!

(づ￣ ³￣)づ

Hope he can make up for it...

Answer: B

Step-by-step explanation:

Answer:

25 square root is 5 so the missing sides is 5.

5+5=10 x 2 = 20

perimeter is 20

Hope this helps

Step-by-step explanation:

The perimeter of the given square is 20 inches.

The perimeter of a square is defined as the addition of the lengths of the square.

The perimeter of a square = 4a

Where a is the length of the side of the square

Given that the area of the square is 25 square inches.

Let a is the length of the side of the square

The area of the square = a² = 25

So a = 5

Since all sides of a square are equal, we can calculate the perimeter by multiplying the length of one side by 4:

The perimeter of a square = 4a

The perimeter of a square = 4(5)

The perimeter of a square = 20 inches

Therefore, the perimeter of the square is 20 inches.

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Answer:

The slope will be 0

Step-by-step explanation:

Once you do the slope formula which is y2 - y1 over x2-x1

You will get 0/3 in this case. So if the numerator is a 0 the slope will also be 0.

The slope of the a straight line is given by the ratio of the Rise to the Run

of the line. The rise between the given points is zero.

The slope of the line that passes through the points (4, 10) and (1, 10) is zero.

Reason:

The given points are; (4, 10) and (1, 10)

The slope of a line, m, is given by the following formula;

[tex]Slope, \, m =\dfrac{y_{2}-y_{1}}{x_{2}-x_{1}}[/tex]

Where;

(x₁, y₁) = (4, 10) and (x₂. y₂) = (1, 10), we get;

[tex]Slope, \, m =\dfrac{10-10}{1-4} = 0[/tex]

The slope of the line that passes through the points (4, 10) and (1, 10) is 0.

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Answer:

c

can i have brainliest?

Answer:

-3c-2d^(2)e^(101)-3

Step-by-step explanation:

Answer:

Quotient rules

Derivative rule

Negative exponents

hope this helps

Answer:

the answer is 3(x)- 3(9)

Answer:

12

Step-by-step explanation:

If you were asking how many strawberries it would take to finish all 60, this is the answer, otherwise please rephrase the question.

If Charlotte ate 12 strawberries, you would have to do 12 x 4 which would be four times the amount of strawberries Charlotte ate, 12 x 4 = 48, Emily ate 48 strawberries, 48 + 12 = 60.

Charlotte eats 12 strawberries.

Let the amount of strawberries eaten by Charlotte be represented by x.

Since Emily eats four times the amount that Charlotte eats, then Emily will eat:

= (4 × x) = 4x.

Since Emily and Charlotte have a total of 60 strawberries, then this will be:

4x + x = 60

5x = 60

x = 60/5

x = 12

Therefore, Charlotte eats 12 strawberries.

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Answer:

112

Step-by-step explanation:

Answer:

Yes, That is correct.

Step-by-step explanation:

Example: Multiply 0.05 by 1.1

start with:

 0.05 × 1.1

multiply without decimal points:

 5 × 11 = 55

0.05 has 2 decimal places,

and 1.1 has 1 decimal place,

so the answer has 3 decimal places:

 0.055

Priya's method easy finds the product of decimals because multiplying whole numbers is easier than multiplying decimal numbers.

Given that, Priya finds (1.05) × (2.8) by calculating 105 × 28 and then moving the decimal point three spaces to the left.

We need to explain why Priya's method makes sense.

To multiply decimals, first, multiply as if there is no decimal. Next, count the number of digits after the decimal in each factor. Finally, put the same number of digits behind the decimal in the product.

Now, 105 × 28 = 2,940

Moving the decimal point three spaces to the left, we get 2.940.

Also, (1.05) × (2.8) =2.940

Therefore, Priya's method easy finds the product of decimals, because multiplying whole numbers is easier than multiplying decimal numbers.

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Your question is incomplete, probably the complete question/missing part is:

Priya finds (1.05) × (2.8) by calculating 105 × 28 and then moving the decimal point three spaces to the left. Why does Priya's method make sense?

Answer:

quadrants 2 & 3

Step-by-step explanation:

cos = adj/hyp

adj is negative in quadrants 2 & 3.

Answer:

262.72

Step-by-step explanation:

I hope this helps :) :P

Answer:

2

Step-by-step explanation:

Answer:

The last one

Step-by-step explanation:

2 negatives is a positive, so -(-1) is basically +1, therefor the equation is -4+1

Step-by-step explanation:

Step 1:  Solve using the first point

(2, 28)

[tex]28 = a(2)^3 + b(2)^2 + c(2) + d[/tex]

[tex]28 = 8a + 4b + 2c + d[/tex]

Step 2:  Solve using the second point

(-1, -5)

[tex]-5 = a(-1)^3 + b(-1)^2 + c(-1) + d[/tex]

[tex]-5 = -a + b - c + d[/tex]

Step 3:  Solve using the third point

(4, 220)

[tex]220 = a(4)^3 + b(4)^2 + c(4) + d[/tex]

[tex]220 = 64a + 16b + 4c + d[/tex]

Step 4:  Solve using the fourth point

(-2, -20)

[tex]-20 = a(-2)^3 + b(-2)^2 + c(-2) + d[/tex]

[tex]-20 = -8a + 4b - 2c + d[/tex]

Step 5:  Combine the first and fourth equations

[tex]28 - 20 = 8a - 8a + 4b + 4b + 2c - 2c + d + d[/tex]

[tex]8 = 8b + 2d[/tex]

[tex]8 - 8b = 8b - 8b + 2d[/tex]

[tex](8 -8b)/2 = 2d/2[/tex]

[tex]4 - 4b = d[/tex]

Step 6:  Solve for c in the second equation

[tex]-5 + 5 = -a + b - c + d + 5[/tex]

[tex]0 + c = -a + b - c + c + d + 5[/tex]

[tex]c = -a + b + d + 5[/tex]

Step 7:  Substitute d with the stuff we got in step 5

[tex]c = -a + b + (4 - 4b) + 5[/tex]

[tex]c = -a + b + 4 - 4b + 5[/tex]

[tex]c = -a - 3b + 9[/tex]

Step 8:  Substitute d and c into the first equation

[tex]28 = 8a + 4b + 2(-a - 3b + 9) + (4 - 4b)[/tex]

[tex]28 = 8a + 4b - 2a - 6b + 18 + 4 - 4b[/tex]

[tex]28 - 22 = 6a - 6b + 22 - 22[/tex]

[tex]6 / 6 = (6a - 6b) / 6[/tex]

[tex]1 + b = a - b + b[/tex]

[tex]1 + b = a[/tex]

Step 9:  Substitute a, b, and c into the third equation

[tex]220 = 64(1 + b) + 16b + 4(-(1 + b) - 3b + 9) + (4 - 4b)[/tex]

[tex]220 = 64 + 64b + 16b + 4(-1 - b - 3b + 9) + 4 - 4b[/tex]

[tex]220 - 100 = 60b + 100 - 100[/tex]

[tex]120 / 60 = 60b / 60[/tex]

[tex]2 = b[/tex]

Step 10:  Find a using b = 2

[tex]a = b + 1[/tex]

[tex]a = (2) + 1[/tex]

[tex]a = 3[/tex]

Step 11:  Find c using a = 3 and b = 2

[tex]c = -a - 3b + 9[/tex]

[tex]c = -(3) - 3(2) + 9[/tex]

[tex]c = -3 - 6 + 9[/tex]

[tex]c = 0[/tex]

Step 12:  Find d using b = 2

[tex]d = 4 - 4b[/tex]

[tex]d = 4 - 4(2)[/tex]

[tex]d = 4 - 8[/tex]

[tex]d = -4[/tex]

Answer:  [tex]a = 3, b = 2, c = 0,d = -4[/tex]

Answer:

a = 3

b = 2

c = 0

d = -4

Step-by-step explanation:

Form 4 equations and solve simultaneously

28 = a(2)³ + b(2)² + c(2) + d

28 = 8a + 4b + 2c + d (1)

-5 = -a + b - c + d (2)

220 = 64a + 16b + 4c + d (3)

-20 = -8a + 4b - 2c + d (4)

(1) + (4)

28 = 8a + 4b + 2c + d

-20 = -8a + 4b - 2c + d

8 = 8b + 2d

d = 4 - 4b

Equation (2)

c = -a + b + d + 5

c = -a + b + 4 - 4b+ 5

c = -a - 3b + 9

28 = 8a + 4b + 2c + d (1)

28 = 8a + 4b + 2(-a - 3b + 9) + 4 - 4b

28 = 6a - 6b + 22

6a - 6b = 6

a - b = 1

a = b + 1

220 = 64a + 16b + 4c + d (3)

220 = 64(b + 1) + 16b + 4(-b - 1 - 3b + 9) + 4 - 4b

220 = 60b + 100

60b = 120

b = 2

a = 2 + 1

a = 3

c = -3 - 3(2) + 9

c = 0

d = 4 - 4(2)

d = -4

Answer:

39375

Step-by-step explanation:

All you have to do is just multiply the length x width x height.

Answer:

Find a rectangular prism in your house exactly the same as this one,them you'll know the answer

Answer:

2

Step-by-step explanation:

2

Answer:

Step-by-step explanation:

its c

Answer:

1/6 + 4/6 = 5/6

Step-by-step explanation:

I hope this helped

Answer:

A would assume each side is 73 degrees. (not 100% sure)

Step-by-step explanation:

The reason being all triangles angles equal up to 180 so 180-34/2 would each 73 degrees.

Answer:

The answer is C.) 0.756

Step-by-step explanation:

Answer:

C

Step-by-step explanation:

just did the test on edge 2020

Answer:

-5+6i

Step-by-step explanation:

We have given two complex numbers (-3+3i) and (-2+3i)

We need to simplify the given expression

(-3+3i) + (-2+3i) for  simplification we will firstly open the  parenthesis we will have expression as  -3+3i -2+3i it will gives us the value

-5+6i

In complex numbers we add real part  with real part and imaginary part with imaginary part

We have general representation of complex number as a+ib where a is real and b is real part of imaginary.

Answer:

B is your answer.

Step-by-step explanation:

Answer:

x = 2 sqrt(3) or x = -2 sqrt(3) or x = sqrt(3) or x = -sqrt(3)

Step-by-step explanation:

Solve for x:

-8 + x^2 + (x^2 - 8)^2 = 20

Expand out terms of the left hand side:

x^4 - 15 x^2 + 56 = 20

Subtract 20 from both sides:

x^4 - 15 x^2 + 36 = 0

Substitute y = x^2:

y^2 - 15 y + 36 = 0

The left hand side factors into a product with two terms:

(y - 12) (y - 3) = 0

Split into two equations:

y - 12 = 0 or y - 3 = 0

Add 12 to both sides:

y = 12 or y - 3 = 0

Substitute back for y = x^2:

x^2 = 12 or y - 3 = 0

Take the square root of both sides:

x = 2 sqrt(3) or x = -2 sqrt(3) or y - 3 = 0

Add 3 to both sides:

x = 2 sqrt(3) or x = -2 sqrt(3) or y = 3

Substitute back for y = x^2:

x = 2 sqrt(3) or x = -2 sqrt(3) or x^2 = 3

Take the square root of both sides:

Answer: x = 2 sqrt(3) or x = -2 sqrt(3) or x = sqrt(3) or x = -sqrt(3)

The possible values of x that satisfy the equation are

x = ±√3 and x = ±2√3.

Here, we have,

To find a value of x that is a solution to the equation, we need to solve the equation for x.

Let's go through the steps:

Start with the given equation:

(x² - 8)² + x² - 8 = 20

Expand the squared term (x² - 8)²:

(x² - 8)(x² - 8) + x² - 8 = 20

Simplify:

(x⁴ - 16x² + 64) + x² - 8 = 20

Combine like terms:

x⁴ - 16x² + x² + 64 - 8 = 20

Simplify:

x⁴ - 15x² + 56 = 20

Rearrange the equation to bring all terms to one side:

x⁴ - 15x²+ 56 - 20 = 0

Simplify:

x⁴ - 15x² + 36 = 0

Now, we have a quadratic equation in terms of x².

Let's substitute y = x² to simplify further:

y² - 15y + 36 = 0

Solve the quadratic equation for y:

(y - 3)(y - 12) = 0

This gives us two possible values for y:

y - 3 = 0 --> y = 3

y - 12 = 0 --> y = 12

Substitute back y = x²:

For y = 3:

x² = 3 --> x = ±√3

For y = 12:

x² = 12 --> x = ±√12 = ±2√3

So, the possible values of x that satisfy the equation are x = ±√3 and x = ±2√3.

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Answer:

14168

Step-by-step explanation:

15400 / 100 x 8 = 1232

1232 = 8%

15400 - 1232 = 14168

Answer:

Samantha will save 45 dollars because the two sales will combine for  75 percent off the orignial cost.

Step-by-step explanation:

50 + 15 equals 75

75 percent off of 60 equals 15 dollars

60-15 equals 45 dollars so she saved 45 dollars.

Answer:

Samantha will save 45 dollars because the two sales will combine for  75 percent off the orignial cost.

Step-by-step explanation:

50 + 15 equals 75

75 percent off of 60 equals 15 dollars

60-15 equals 45 dollars so she saved 45 dollars.

Step-by-step explanation:

Answer:

B

Step-by-step explanation:

Divide $4.20 by 20 ounces and $6 by 30 ounces. You would get 0.21 and 0.2. So, B is the cheaper and better buy.

Answer:

A is the answer to your question.

Answer:

a.

at the vertex between the green and blue vectors

Step-by-step explanation:

Answer:

You will break even with the cost of your supplies equals your income how many cups of your hot chocolate and less you sell to break even

Step-by-step explanation:

Answer:

13.5 i think

Step-by-step explanation:

You multiply 1/2*base*height which is 1/2*4.5*6.That is equal to 13.5

hope this helps:)

Answer:    home / math / area calculator

Area Calculator

Rectangle

Length (l)  

Width (w)  

Calculate  

Triangle

Result

s =  

a + b + c

2

=  

4.5 + 6 + 7.5

2

=  9 yards

Area =  √s(s-a)(s-b)(s-c)

=  √9×(9 - 4.5)×(9 - 6)×(9 - 7.5)

=  13.5 yards2

Answer:

A

Step-by-step explanation:

Answer:

A

Step-by-step explanation: