Four more than twice a number is 8

Answers

Answer 1

Answer: Lets say the number equals x

Four more than twice a number is 8

4 more than twice a number is 8

4 more than twice x is 8 (twice means 2 times)

4 more than 2x is 8 (more than means to add)

2x + 4 is 8

2x + 4 = 8

2x = 8 - 4

2x = 4

x = 4/2

x = 2

Answer 2

Answer: Four more than twice a number…..the root of this problem is 2. Twice 2 is 2x2 = 4 and then four more that number is 4 + 4 = 8.

Hope this helps. :)

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6. Darnell weight of theof theuck. The weight empty truck was 7,860 pounds.When Darnellfilled the truck with his items, it weighed6 tons. What was the weight in pounds ofthe items that Darnell placed in the truck?

Answers

6 tons in pounds is 12000 so 1200+ 7,860=19860

12000 so 1200+ 7,860=19860

ABCD is a rectangle with AC=20 and AB=2BC. What is the area of rectangle ABCD?

Answers

$AC= 20 , \ AB=2BC \n\n Pythagorean\ theorem,\ we \ have : \n \n |AC|^2 = (2|BC|)^2+ |BC|^2 \n \n20^2 = 4|BC| ^2+ |BC|^2 \n \n400 =5|BC|^2\ \ /:5$

$|BC|^2=80 \n \n|BC|=√(80)=√(16\cdot 5)=4√(5)\n \n|AB|=2\cdot |BC| =2\cdot 4√(5)=8√(5)\n \nArea = |AB|\cdot |A|\n \nArea=8\cdot √(5)\cdot 4\cdot √(5)=32 \cdot 5 = 160 \n \n Answer : Area \ ABCD \ a \ rectangle = 160$

Let AB = 2x and BC be x.

By pythagoras theorum,

20² = x² + (2x)²

400 = x² + 4x²
400 = 5x²
80 = x²

x= √80 = 4√5 , thus, 2x = 8√5

Now, area = AB x AC

= 4√5 * 8√5

= 32 * 5

= 160

Thus, the area of rectangle ABCD is 160 units

Which expression will produce a negative product?A: (-0.5)(–0.5)(3.2)(-7.9)(-2.4)

B: (0.5)(–0.5)(3.2)(7.9)(–2.4)

C: (0.5)(–0.5)(3.2)(–7.9)(–2.4)

D: (0.5)(–0.5)(3.2)(–7.9)(–2.4)(0)

Answers

Answer:

Step-by-step explanation:

Rules of multiplying numbers with positive and negative signs are the following:

(-)(-) = +
(+)(+) = +
(-)(+) = -
(+)(-) = -

This means that there should be an odd number of negative numbers in a product to get a negative number.

A will be positive.

B will be positive.

C will be negative.

D will be neither since 0 is its product

Write an expression that is equivalent to 6(g+4)

Answers

6g+4 I know this because you can just mutlply the number outside the parenthesis to the numbers inside/

What is the definition of delta(math)?

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Uppercase delta has two different mathematical meanings. Both meanings begin with the letter D just like the Greek letter, which should help you remember them: Difference is the most common meaning of the uppercase delta. It is simply the difference or change in a certain quantity.

delta means variation of a variable or function

How many presedents do we have in the united states of america

Answers

To answer your question very literally, the united states only elects one president per term! The president can only serve two terms and is then forced to leave office! But if you where asking how many presidents the U.S. has had, as of 2016 the U.S. has had exactly 43 presidents and 44 presidencies (one served a second term)

44 is the number of presidents we have had in the united states

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