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eimsori [14]
4 years ago
7

28 19/100 in expanded form

Mathematics
1 answer:
djverab [1.8K]4 years ago
4 0
Answer: 20+8+0.1+0.09
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Drag the tiles to the correct boxes to complete the palrs.
Brut [27]

Answer:

(f+g)(2)  = 4

(f-g)(4) = 8

(f ÷g)(2) = 7

(f x g)(1) = 0

Step-by-step explanation:

We are given these following functions:

f(x) = 2x + 3

g(x) = x - 1

(f+g)(2)

(f+g)(x) = f(x) + g(x) = 2x + 3 + x - 1 = 3x - 2

At x = 2

(f+g)(2) = 3(2) - 2 = 6 - 2 = 4

Then

(f+g)(2)  = 4

(f-g)(4)

(f-g)(x) = f(x) - g(x) = 2x + 3 - (x - 1) = 2x + 3 - x + 1 = x + 4

At x = 4

(f-g)(4) = 4 + 4 = 8

Then

(f-g)(4) = 8

(f ÷g)(2)

(f \div g)(x) = \frac{f(x)}{g(x)} = \frac{2x+3}{x-1}

At x = 2

(f \div g)(2) = \frac{7}{1} = 7

Then

(f ÷g)(2) = 7

(f x g)(1)

(f \times g)(x) = f(x)g(x) = (2x+3)(x-1) = 2x^2 -2x + 3x - 3 = 2x^2 + x - 3

Then

(f \times g)(1) = 2(1)^2 + 1 - 3 = 3 + 1 - 3 = 0

So

(f x g)(1) = 0

4 0
3 years ago
2/5,8/20: is it a proportion?
katen-ka-za [31]

Answer:

Step-by-step explanation:

you need to simplify 8/20

8/20  can be put into the greatest common factor which is 4

then divide both sides by 4 this equals to 2/5

So yes they are

6 0
3 years ago
What is the completely factored form of 8x2 - 50?
bogdanovich [222]

Answer:

2(2x-5)(2x+5)

Step-by-step explanation:

I think you meant to say 8x^2-50. If so then factoring this down should be easy. Since there is no x value in the middle the equation will have a positive and a negative number. This is also a perfect square therefore, this factors down to: 2(2x-5)(2x+5).

3 0
3 years ago
Read 2 more answers
Taylor baked a cake to serve after diner
Archy [21]
That would be dessert i quite dont understand what the problem is here
4 0
3 years ago
Read 2 more answers
Ashley and Christopher want to camp on the other side of a lake at point B. They are both going to kayak to the campsite from th
e-lub [12.9K]

Applying the midsegment theorem, the distant Ashley will kayak more than Christopher is: 0.5 mi

<em><u>Recall:</u></em>

  • The midsegment of a triangle joins two sides of a triangle at their midpoint.
  • The third side is the base of the triangle.
  • Triangles have three midsegments.
  • Based on the midsegment theorem, the length of the midsegment = ½(third side).

The picture given shows a triangle with two midsegments: AB and BC

AB = the distance Ashley will kayak.

BC = the distance Christopher will kayak.

XY = 5 mi (base)

XZ = 6 mi (base)

Applying the midsegment theorem, find AB and BC.

AB = ½(XZ)

  • Substitute

AB = ½(6)

AB = 3 mi

BC = ½(XY)

  • Substitute

BC = ½(5)

BC = 2.5 mi

Thus, the distance Ashley will kayak more than Christopher = AB - BC

= 3 mi - 2.5 = 0.5 mi.

Therefore, applying the midsegment theorem, the distant Ashley will kayak more than Christopher is: 0.5 mi

Learn more about the midsegment theorem on:

brainly.com/question/12234706

8 0
3 years ago
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