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alisha [4.7K]
1 year ago
8

Barely learning this in school and not understanding it yet help

Mathematics
2 answers:
omeli [17]1 year ago
8 0

Answer:

The answer is in the picture I hope that is right

Step-by-step explanation:

Lera25 [3.4K]1 year ago
5 0

ANSWER

x=2184.67

EXPLANATION

We want to solve the given equation for x:

-3+8\log _9(3x+7)=29

First, add 3 to both sides of the equation:

\begin{gathered} -3+3+8\log _9(3x+7)=29+3 \\ 8\log _9(3x+7)=32 \end{gathered}

Divide both sides by 8:

\begin{gathered} \frac{8}{8}\log _9(3x+7)=\frac{32}{8} \\ \log _9(3x+7)=4 \end{gathered}

Convert from a logarithmic equation to an exponential equation:

\begin{gathered} \Rightarrow9^4=3x+7 \\ \Rightarrow3x+7=6561 \end{gathered}

Subtract 7 from both sides of the equation:

\begin{gathered} 3x+7-7=6561-7 \\ 3x=6554 \end{gathered}

Divide both sides by 3:

\begin{gathered} \frac{3x}{3}=\frac{6554}{3} \\ x=2184.67 \end{gathered}

That is the value of x.

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Select yes or no to indicate whether a zero must be written in the dividend to find the quotient
neonofarm [45]

Answer:

2.25 divided by 0.6 : Yes and 5.2 divided by 8, 3.63 divided by 3, 71.1 divided by 9 : No

Step-by-step explanation:

We have that when two numbers are divided, they can be written in the form \frac{p}{q}, where p is the dividend and q is the divisor.

Now, when we divide 5.2 by 8, we can write \frac{5.2}{8}

Also, the division 3.63 by 3, can be written as \frac{3.63}{3} = 1.21

Further, when we divide 71.1 by 3, we can write \frac{71.1}{3} = 23.7

We can see that above divisions are easy divisions and do not require to write any type of 0 in the numerator.

Moreover, when we divide 2.25 by 0.6, we can write \frac{2.25}{0.6} = \frac{2.25\times 10}{6}.

So, we get that in the last division, we need to write a zero in order to multiply the numerator with 10 for easy division.

Hence, 2.25 divided by 0.6 : Yes and 5.2 divided by 8, 3.63 divided by 3, 71.1 divided by 9 : No

3 0
3 years ago
Can someone help w/ 3 and 4 please??
Ymorist [56]
Yep that looks about right. I would say that works. Good job. You're doing great
3 0
3 years ago
There is a square with a perimeter of<br> 412<br> what is the length of the diagonal?
Llana [10]

Answer:

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Step-by-step explanation:

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7 0
3 years ago
Triangle ABC has perimeter 22 cm.
Serggg [28]

Answer:

Step-by-step explanation:

A = 8 cm

B = 5 cm

C = 22 - 8 - 5 = 9 cm

Use the Pythagreom Theroem (a^2 + b^2 = c^2) if the two sides are equal to one another than it is a right triangle.

8^2 + 5^2 = 9^2

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89 = 81

89 does not equal 81, so this is not a right triangle.

3 0
2 years ago
Preform the indicated operation 1/3÷3/8​
Effectus [21]

Answer:

1/3 divided by 3/8 is 8/9

Step-by-step explanation:

The answer is 8/9 because 1/3 multiplied by 8/3 is 8/9

P.S Can I have brainliest?

6 0
3 years ago
Read 2 more answers
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