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Studentka2010 [4]
3 years ago
15

Help I am so confused

Mathematics
1 answer:
Greeley [361]3 years ago
7 0

Answer: The second one is x^6.

Step-by-step explanation:

Idk the first one. Hope I helped!

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Lim. √2x -√3x-a/√x-√a<br>x approaches a​
Ludmilka [50]

Answer: \sqrt{2}a-\sqrt{3}a-2\sqrt{a}

Step-by-step explanation:

\lim _{x\to \:a}\left(\sqrt{2}x-\sqrt{3}x-\frac{a}{\sqrt{x}}-\sqrt{a}\right)

=\sqrt{2}a-\sqrt{3}a-\frac{a}{\sqrt{a}}-\sqrt{a}

=\sqrt{2}a-\sqrt{3}a-2\sqrt{a}

3 0
3 years ago
The measure of an angle is 79 what is the measure of its complementary angle
malfutka [58]

Answer:

x + 79 = 90

x = 11 degrees

Step-by-step explanation:

3 0
3 years ago
Jessica wants to plan where she will place furniture in her room, so she has drawn a scale model of her room in order to begin p
Setler79 [48]
To solve this problem you must apply the proccedure shown below:
 1. You have that:
<span> - The scale model is 11 inches long and 8.5 inches wide.
 - The door to her room takes up 1.75 inches.
 - The longest wall in Jessica’s actual room is 15 feet long.
 2. Therefore, the actual size of the door is:
 15 feet=180 inches
 1.75 inches(180 inches/11 inches)=28.63 inches
 3. If the door in completely open, you must apply the formula for calculate the area of a semicircle:
 A=</span>πr²/2
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 A=π(28.63 inches)²/2
 A=1288.11 inches²
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5 0
3 years ago
Lara made some chocolate tarts. For every 5 cups of chocolate chips, she added 3 cups of sugar. The ratio of chocolate chips to
Ronch [10]

Answer:

5:3

Step-by-step explanation:

8 0
3 years ago
One serving of rice has 44.9 grams of carbohydrates how many grams of carbohydrates de 2.5 servings of rice have
Fofino [41]

Answer:

112.25\ grams\ of\ carbohydrates    

Step-by-step explanation:

we know that

using proportion

\frac{1}{44.9}\frac{serving\ of\ rice}{grams\ of\ carbohydrates} =\frac{2.5}{x}\frac{serving\ of\ rice}{grams\ of\ carbohydrates} \\ \\x=44.9*2.5\\ \\x=112.25\ grams\ of\ carbohydrates

4 0
3 years ago
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