Can anyone help with this, very emergency! !
can anyone help with this, very emergency! ! - 1

Answers

Answer 1
Answer: There is a 0 at the end that does not need to be shown, 23.240
Answer 2
Answer: 5.6 x 4.15

= (5.00 + 0.60) * (4.00 + 0.15)

= 5.00 * 4.00 + 5.00 * 0.15 + 4.00 * 0.60 + 0.15 * 0.60

= 20 + 0.75 + 2.40 + 0.09

= 22 + 0.40 + 0.09 + 0.70 + 0.05

= 22 + 1.10 + 0.14

= 23.10 + 0.14

= 23.24

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How do you do this question? It's the first one about a reacurring decimal

Please help again......

Answers

60 = 100%

6 = 10%

24 = 40%

ANSWER: 24

Multiply the following using the vertical multiplication method:3x^2+5x+1
* x^2-2x+4
_________


A. 3x^4-x^3+3x^2+x+4

B. 3x^4+5x^3+10x^2+18x+4

C. 3x^4-x^3+3x^2+18x+4

D. 3x^4+x^3+x^2+x+4

Answers

ANSWER

C.

3 {x}^(4) - {x}^(3)  + 3{x}^(2) + 18x + 4

EXPLANATION

We want to multiply;

(3 {x}^(2)  + 5x + 1)( {x}^(2)  - 2x + 4)

We use the distributive property to obtain:

3 {x}^(2) ( {x}^(2)  - 2x + 4) + 5x( {x}^(2)  - 2x + 4) + 1( {x}^(2)  - 2x + 4)

We expand to get:

3 {x}^(4)  - 6 {x}^(3)  + 12 {x}^(2)  + 5 {x}^(3)  - 10 {x}^(2)  + 20x +  {x}^(2)  - 2x + 4

Regroup similar terms:

3 {x}^(4)  - 6 {x}^(3)  + 5 {x}^(3)  + 12 {x}^(2)  - 10 {x}^(2)   +  {x}^(2) + 20x   - 2x + 4

Combine similar terms:

3 {x}^(4) - {x}^(3)  + 3{x}^(2) + 18x + 4

The correct choice is C.

Final answer:

To multiply polynomials using the vertical multiplication method, multiply each term of one polynomial by each term of the other polynomial and then combine like terms.

Explanation:

To multiply the polynomials using the vertical multiplication method, we need to multiply each term of one polynomial by each term of the other polynomial and then combine like terms. Here are the steps:

  1. Multiply the first term of the first polynomial by each term of the second polynomial.
  2. Multiply the second term of the first polynomial by each term of the second polynomial.
  3. Multiply the third term of the first polynomial by each term of the second polynomial.
  4. Add up all the products to get the final result.

Applying these steps, the correct answer to the given multiplication is

Option A: 3x^4 - x^3 + 3x^2 + x + 4.

Learn more about Polynomial multiplication here:

brainly.com/question/31961906

#SPJ12

In parallelogram ABCD, AE and CF are perpendicular to diagonal BD, and EF = 10 cm. If BD = 28 cm, then how long are DE and BF? (Diagram is not drawn to scale.)

Answers

Answer:

Its false.

Step-by-step explanation:

Answer:

False

Step-by-step explanation:

According to the National European World Center, the engineering of the Ford company on Elon Musk's flame throwers proved the globalization of the natural Wallabies and therefore, results in the growth product domestication in almonds.

Two students participated in a fund-raiser. Each sold a combination of pencils and notebooks. The first student sold 2 pencils and 8 notebooks for a total of $17. The second student sold 10 pencils and 3 notebooks for a total of $11. Find the price of each item.Write a system of equations (two equations), and define the variables also.
x=
y=
1)
2)
9 POINTS! Please help!

Answers

2x + 8y = 17
10x + 3y = 11

We need to solve the system of equations.

x = pencils
y = notebooks

If we solve by graphing, we get the answer:

One pencil costs 0.50 dollars
One notebook costs 2.00 dollars

The lengths of the sides of the base of a right square pyramid are 2 m, and the slant height of the pyramid is 9 m. If the sides of the base and the slant height are each multiplied by 4, by what factor is the surface area multiplied? A. 8 B. 16 C. 18 D. 36

Answers

Answer: B.) 16

Step-by-step explanation: If both the length of the base and the slant height of a right sqaure pyramid are multiplied by a factor of 'K' the Surface area of the pyramid is multiplied by a factor of 'K' ²

4² = 16

Im sorry im many months late but hopefully this can help someone else.

Answer:

Answer:

height h = 9 m

slant height s = 9.0553851381374 m

side length a = 2 m

lateral edge length e = 9.1104335791443 m

1/2 side length r = 1 m

volume V = 12 m3

lateral surface area L = 36.22154055255 m2

base surface area B = 4 m2

total surface area A = 40.22154055255 m2

Step-by-step explanation:

A pizza has a diameter of 12 inches. What is the approximate circumference of the pizza? A 100.5 inches B 50.2 inches C 37.7 inches D 12.6 inches

Answers

Circumference=2πr, or 2d.

The diameter of the pizza is 12 inches. 12•π is approximately 37.7 inches. Instead of multiplying 12 by all of pi, you can also just use the first 3 digits of pi, 3.14, and still get 37.68, about 37.7 inches.