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julia-pushkina [17]
3 years ago
6

Help me please no links

Mathematics
1 answer:
kirza4 [7]3 years ago
7 0

Answer:

the answer is 4

Step-by-step explanation:

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PLEASE HELP ME!!!!!!!!!
vitfil [10]
<h2>1)</h2>

(x - 4) {}^{2}  - 28 = 8 \\ (x - 4) {}^{2}  = 8 + 28 \\ (x - 4) {}^{2}  = 36

This must be true for some value of x, since we have a quantity squared yielding a positive number, and since the equation is of second degree,there must exist 2 real roots.

\sqrt{(x - 4) {}^{2} }  =  ± \sqrt{36}  \\x - 4 = ±6 \\ x _{1}- 4 = 6 \:  \:  \:  \:  \:  \:  \: \:  \:  \:  x _{2}- 4 =  - 6 \\ x_{1} = 6 + 4 \:  \:  \:  \:  \:  \:  \:  \:  \:  \: x_{2} =  - 6 + 4 \\ x_{1} = 10 \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:   \:  \:  \: \:  \: x_{2} =  - 2

<h2>2)</h2>

Well he started off correct to the point of completing the square.

(x - 3)  {}^{2}  = 16 \\ x - 3 = ±4 \\  \: x_{1}  - 3 = 4 \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \: x_{2}  - 3 =  - 4 \\ x_{1}  = 7 \:  \:  \:  \:  \:  \:  \:  \:  \:  \: x_{2}  =  - 1

8 0
10 months ago
Flora has $50 to spend on clothes. She wants to buy a pair of jeans for $20 and spend the rest on t-shirts. Each t-shirt costs $
frosja888 [35]

50 ≥ 20 + 6x

She can spend less than 50 or 50 dollars exactly. 20 represents the amount for the jeans. The x represents the t-shirts. 6 represents cost per t-shirt.

5 0
3 years ago
I need help. Please ​
GREYUIT [131]

Answer:

A=5 units squared

Step-by-step explanation:

A=1/2(l*w)

A=1/2(5*2)

A=1/2(10)

A=5

3 0
3 years ago
There verticles of a rectangle are shown on the grid what are the coordinates of the missing vertex 3,5,6
Nadusha1986 [10]

Answer:

<h2><em><u>5</u></em><em><u>,</u></em><em><u>6</u></em></h2>

Step-by-step explanation:

<em><u>Since</u></em><em><u>,</u></em>

It's a rectangle so it will be formed on the coordinate which is 3units above dot(3,5) in picture where above the dot there is no point .

7 0
2 years ago
the painted lines that separate parking spaces are parallel. The measure of amgle 1 is 60. what us the measure of angle 2
erastovalidia [21]

Answer:

60 degrees

Step-by-step explanation:

Angles 1 and 2 are "corresponding angles" and as such are equal.  Thus, the measure of angle 2 is 60 degrees.

6 0
3 years ago
Read 2 more answers
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