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Scilla [17]
3 years ago
11

3. Use inverse operations to solve the equation. (1 point) 15 = -1 6

Mathematics
1 answer:
Alex17521 [72]3 years ago
7 0

Answer:

Addition and subtraction are inverse operations, as are multiplication and division. To solve an equation means to isolate the unknown, x, on the left of the = sign.

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√(11 - 6 √(2))<br> (not decimal form)
bogdanovich [222]

Answer:

\huge\boxed{\sqrt{11-6\sqrt2}=3-\sqrt2}

Step-by-step explanation:

\sqrt{11-6\sqrt2}=(*)\\\\11=9+2=3^2+(\sqrt2)^2\\6\sqrt2=(2)(3)(\sqrt2)\\\\(*)=\sqrt{3^2-(2)(3)(\sqrt2)+(\sqrt2)^2}\\\\\text{use}\ (a-b)^2=a^2-2ab+b^2\\\\=\sqrt{(3-\sqrt2)^2}\\\\\text{use}\ \sqrt{a^2}=|a|\\\\=|3-\sqrt2|=3-\sqrt2\\\\^{\text{because}\ 3>\sqrt2\to3-\sqrt2>0}

6 0
3 years ago
Given: 5(x - 2) = 2x - 4 Prove:<br> What’s the The proof ?
Elena L [17]

Answer:

Step-by-step explanation:

its not right equation

because

5X - 10 ≠ 2X - 4

8 0
4 years ago
A report states that the mean household income last year for a certain rural county was $46,200 and the median was $54,500. If a
Masja [62]

Answer:

skewed to the left

Step-by-step explanation:

A histogram is used to represent data graphically. the histogram is made up of rectangles whose area is equal to the frequency of the data and whose width is equal to the class interval. the frequency is usually on the vertical axis while the class interval is usually on the horizontal axis.

If the mean is greater than the median, the histogram would be skewed to the right

If the mean is less than the median, the histogram would be skewed to the left.

The mean in this question is $46,200 while the median is $54,500. So, the histogram would be skewed to the left

4 0
3 years ago
A large spool holds 78.5 meters of steel cable.
dsp73
The answer is 7850 centimeters since 1m=100 cm. 78.5*100=7850
7 0
3 years ago
What is the value of (f – g)(144)?
NikAS [45]
(f - g) (144)   Multiply 144 by both variables in the other set of parentheses.

[(144) (f) - (144) ( g)]   Simplify

144 f - 144g
5 0
4 years ago
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