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postnew [5]
3 years ago
7

Which equation is equivalent to log Subscript 3 Baseline (x + 5) = 2?

Mathematics
1 answer:
adell [148]3 years ago
8 0

Answer:

The correct option is right-bracket squared 3 squared =x+5

Step-by-step explanation:

The equation is \log _{3}(x+5)=2

Option a: \log _{3}(x+5)=3^{2}

This is not possible because using logarithmic rule, if \log _{a} b=c then b=a^{c}

Hence, option a is not equivalent to \log _{3}(x+5)=2

Option b: \log _{3}(x+5)=2^{3}

This is not possible because using logarithmic rule, if \log _{a} b=c then b=a^{c}

Hence, option b is not equivalent to \log _{3}(x+5)=2

Option c: x+5=3^{2}

This is possible because using logarithmic rule, if \log _{a} b=c then b=a^{c}

Hence, option c is equivalent to \log _{3}(x+5)=2

Option b: x+5=2^{3}

This is not possible because using logarithmic rule, if \log _{a} b=c then b=a^{c}

Hence, option b is not equivalent to \log _{3}(x+5)=2

Thus, the correct option is c: x+5=3^{2}

Hence, the equation x+5=3^{2} is equivalent to \log _{3}(x+5)=2

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6 0
3 years ago
Ok I rlly need help with this question it’s rlly hard for me there’s a picture to show —> helppp
Whitepunk [10]

Answer:

x=20; vertical angles theorem

Step-by-step explanation:

hi! we can use the vertical angles theorem for this. vertical angles are congruent to each other, meaning they are the same amount of degrees. so, we can set 2x+10 and 50 equal to each other.

2x+10=50

2x=40

x=20

x=20 because of the vertical angles theorem.

8 0
3 years ago
What is the area of the composite figure?<br> (Attached picture)<br><br> __cm²
lara31 [8.8K]

Answer:

59.5

Step-by-step explanation:

area of the triangle is (7 x 3)/2=21/2=10.5

area of the square 7x7=49

7 0
2 years ago
Evaluate: <br><br> -4/7 (-3/5) (-7/3)
SOVA2 [1]

\text{Hey there!}

-\dfrac{4}{7}(-\dfrac{3}{5})(-\dfrac{7}{3})\\\\-\dfrac{4}{7}\times-\dfrac{3}{5}=\dfrac{12}{35}\\\text{Reason: -4(-3) = 12 \& -7(-5) = 35}\\\\\\\dfrac{12}{35}\times-\dfrac{7}{3} = \text{\bf{ ANSWER}}\\\\\\\dfrac{12}{35}\times-\dfrac{7}{3}=-\dfrac{4}{3}\\\\\\\boxed{\boxed{\text{\bf{Answer}}\bf{\ -\dfrac{4}{5}}}}\checkmark

\text{Good luck on your assignment and enjoy your day!}

~\frak{LoveYourselfFirst:)}

3 0
3 years ago
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zheka24 [161]

Answer:

The sum is equal to -905,200

Step-by-step explanation:

we know that

The formula to calculate the sum is equal to

Sn=n\frac{(a1+an)}{2}

In this problem

n=775 -----> number of terms

a1 is the first term

a1=(-3(1)-4)=-7

an is the last term

an=(-3(775)-4)=-2,329

substitute

Sn=775\frac{(-7-2,329)}{2}=-905,200

4 0
3 years ago
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