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3 years ago

Represent the following sentence as an algebraic expression, where "a number" is the letter x. number is decreased by 2.

Mathematics

1 answer:

Zinaida [17]3 years ago

4 0

Answer:

x-2

x decreased by 2 equals x-2.

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Quincy is trying to estimate the height of a tree in his backyard. he measures the tree’s shadow as 12 ft. he stands near the tr

slava [35]

I believe he should add 2ft to the height of the tree as well

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2 years ago

ADDING FRACTIONS:

bazaltina [42]

Here is your answer:

$\frac{4}{11} + \frac{3}{8}$

$\frac{4}{11}\times 8 = \frac{32}{88}+\frac{3}{8} \times 11 =\frac{33}{88}$
$32 + 33 = 65 =\frac{65}{88}$

$= \frac{65}{88}$

Therefore the answer is "65/88."

Hope this helps!

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2 years ago

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insens350 [35]

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2 years ago

What are the solutions of x² + 6x - 6 = 10?

Likurg_2 [28]

Answer: x=- 8 or x=2

Step-by-step explanation:

1. To solve this problem you can applly the quadratic formula, which is shown below:

$x=\frac{-b+/-\sqrt{b^{2}-4ac}}{2a}$

2. The quadratic equation is:

$x^{2}+6x-6-10=0\\x^{2}+6x-16=0$

3. Then:

a=1

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4. Therefore, when you substitute these values into the quadratic formula, you obtain the following result:

$x=\frac{6+/-\sqrt{6^{2}-4(1)(-16)}}{2(1)}$

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3 years ago

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Semenov [28]

Answer:

Step-by-step explanation:

A is correct because if the minimum is 29,000 feet, x (the airplane altitutude) must be greater than or equal to 29,000 ft. Since the maximum is 41,000 feet, x must be less than or equal to that number.

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2 years ago