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Viktor [21]
3 years ago
10

First answer get best marks ​

Mathematics
1 answer:
Karo-lina-s [1.5K]3 years ago
8 0

Answer:

The three expressions are the first option, the third option, and the forth option

Step-by-step explanation:

I don't really know how to explain my math lol but I solved 5(1/3x+7)-3(1/2x-), and got x, and plugged in x to the equation. I got my answer, and plugged in x to the rest of the equations and the first one, third one, and fourth ones were the ones that had equal answers. You may want to check my math though because i am not the best but that is what I got.

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LOL PLS HELP ME WITH THIS AND EXPLAIN IT , BRIANLY POINTS TO WHOEVER DOES!
lutik1710 [3]

Answer:

french, history, math

Step-by-step explanation:

Reasoning:

If you look at it you can see that french is 11/12 so french is definitely right

so you can eliminate the third question.

Now history is on both of the two answers that could be right.

the last one is math

pls brainliest

7 0
2 years ago
A circular patio has a radius of 4 yards. The patio is expanded so that the radius increases by 2 yards.
Alex787 [66]

Answer:

50.29 yards^2

113.14 yards^2

62.85 yards^2

Step-by-step explanation:

Area of a circle = πr²

π = pi = 22/7

r = radius

original area

(22/7) x 4² = 50.29 yards²

New area

radius = 4 + 2 = 6

(22/7) x 6² = 113.14 yards²

Increase in the area of the patio = 113.14 yards² - 50.29 yards²=62.85

4 0
3 years ago
Which is equivalent to RootIndex 3 StartRoot 8 EndRoot Superscript one-fourth x?
Nat2105 [25]
<h3>Answer: Choice C</h3>

RootIndex 12 StartRoot 8 EndRoot Superscript x

12th root of 8^x = (12th root of 8)^x

\sqrt[12]{8^{x}} = \left(\sqrt[12]{8}\right)^{x}

=========================================

Explanation:

The general rule is

\sqrt[n]{x} = x^{1/n}

so any nth root is the same as having a fractional exponent 1/n.

Using that rule we can say the cube root of 8 is equivalent to 8^(1/3)

\sqrt[3]{8} = 8^{1/3}

-----

Raising this to the power of (1/4)x will have us multiply the exponents of 1/3 and (1/4)x like so

(1/3)*(1/4)x = (1/12)x

In other words,

\left(8^{1/3}\right)^{(1/4)x} = 8^{(1/3)*(1/4)x}

\left(8^{1/3}\right)^{(1/4)x} = 8^{(1/12)x}

-----

From here, we rewrite the fractional exponent 1/12 as a 12th root. which leads us to this

8^{(1/12)x} = \sqrt[12]{8^{x}}

8^{(1/12)x} = \left(\sqrt[12]{8}\right)^{x}

4 0
3 years ago
Read 2 more answers
Mrs. Spect lost 1.25 pounds last week. She lost 2 pounds two
kenny6666 [7]

Answer:

On average she looses 1.33 pounds per week

Step-by-step explanation:

3/4=0.75

1.25+2+0.75=4 -> total weight loss

There are 3 weeks in total.

4/3=1.33

5 0
3 years ago
Please help and explain the answer as best as you can so i can understand it better! (6th grader)​
qwelly [4]

Answer:

The rug will fit. The rug is smaller than the parallelogram.

Step-by-step explanation:

This question is testing to see if you can figure out how the rug may fit in the room.

The rug does fit. Here's how we know.

The only given information from the question is...

  1. Length and Width of the <em>Rectangular Rug</em>
  2. Area of the Parallelogram

Notice that you can use the Length and the Width to get the area of the Rectangular Rug. We need to find the area of the rectangle so we can compare it to the parallelogram.

The area of the Parallelogram is listed at : 108 sqft

The area of the rectangular rug is : 60 sqft

  • <em>Area of rectangle = Length * Width</em>
  • <em>6 * 10 = 60</em>

<em />

The question now asks us if the rug will fit in her room. Well, 60 sqft is less than 108 sqft. So, yes, it will fit.

3 0
3 years ago
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