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Mariana [72]
3 years ago
10

Help me please I need help

Mathematics
1 answer:
Ainat [17]3 years ago
5 0

Answer:

Use the 45-45-90 rule.

Step-by-step explanation:

Based on angle A being 45 and angle B looking like its 90 degrees, angle C will be 45 degrees and so you'd use the 45-45-90 rule, which is a special right triangle. The 45 degrees sides are x and the hypotenuse is x\sqrt{2}. It will be easier if you look it up to see a graphic of it, but I'm pretty sure that both sides CB and AB are 6 based on this rule.

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How many solutions exist for 2|x − 1| = 8?
lora16 [44]
Two solutions exist,
2(x - 1) = 8
2x - 2 = 8
2x = 10
x = 5
&
2(x + 1) = 8
2x + 2 = 8
2x = 6
x = 3

the two solutions are 5 and 3
4 0
3 years ago
5 1/3 divided by 4/A
BlackZzzverrR [31]

Answer:

5 \frac{1}{3}  \div  \frac{4}{a}  \\  \frac{16}{3}  \div  \frac{4}{a}  \\  \frac{16}{3}  \times  \frac{a}{4}  \\  \frac{4}{3}  \times a \\  \frac{4a}{3}  \\

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3 years ago
To solve the equation, Antwan uses the distributive property, combines like terms, then uses the addition and subtraction proper
nikdorinn [45]

Answer:

The value of <em>x</em> is -\frac{28}{5}.

Step-by-step explanation:

The distributive property is:

a (b + c) = a · b + a · c

The expression is:

3(\frac{1}{3}x+1)+4=-1-4(x+3)-3

Solve using the distributive property as follows:

3(\frac{1}{3}x+1)+4=-1-4(x+3)-3

(3\cdot \frac{1}{3}x)+(3\cdot 4)=-1-(4\cdot x)-(4\cdot 3)-3\\\\x+12=-1-4x-12-3\\\\x+4x=-16-12\\\\5x=-28\\\\x=\frac{-28}{5}

Thus, the value of <em>x</em> is -\frac{28}{5}.

4 0
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Answer:

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Step-by-step explanation:

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