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inysia [295]
2 years ago
8

Solve

absmiddle" class="latex-formula"> find the exact values of x
Mathematics
1 answer:
Citrus2011 [14]2 years ago
8 0

6x^2-42=0\implies 6x^2=42\implies x^2=\cfrac{42}{6}\implies x^2=7 \\\\\\ x=\pm\sqrt{7}\implies x\approx \pm 2.65

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Write a rule to describe the transformation.
AleksandrR [38]

Answer:

C. rotation 180º about the origin

Step-by-step explanation:

Given

Quadrilaterals GWVY and G'W'V'Y'

Required

Describe the transformation rule

Pick points Y and Y'

Y = (5,-4)

Y' = (-5,4)

The above obeys the following rule:

(x,y) \to (-x,-y)

When a point is rotated by 180 degrees, the rule is:

(x,y) \to (-x,-y)

<em>Hence, (c) is correct</em>

7 0
3 years ago
Help! I forgot to study, again.
Murljashka [212]
The answer may be 9 if I’m correct
8 0
3 years ago
Read 2 more answers
When three times the sum of a number and seven is increased by ten, the result is four. What is the number ?
densk [106]

Answer:

x=9   :))

Step-by-step explanation:

First set up your equation.

"3 times" is multiplication

"THE SUM of A NUMBER and seven" that is parenthesis because of the multiplication before it

"is increased by ten" that is an addition at the end

Now we have 3(x+7)+10=4

Solve your equation!

Distribute the 3 now we have 3x+21+10=4

Add like terms

now it should look like this... 3x+31=4

Subtract 31 from both sides and it looks like...

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Divide by the x-value

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4 0
4 years ago
~PLEASE HELP ASAP OFFERING 10 POINTS~
Aleks [24]
《《 mr. Web boi 》》
product = 200$
hours = 50$

so that means that u buy it, that's -200$ and if he goofs around for hours, that's -50$ for each hour that passes by

answer should be D :)

Hope this helped youu
7 0
4 years ago
Read 2 more answers
WILL GIVE BRANLIEST
fomenos
10 + 3x + 7 = 29
3x = 12
x = 4

YZ= 3(4) +7
YZ= 19

8 0
3 years ago
Read 2 more answers
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