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Musya8 [376]
3 years ago
5

Which expression is equivalent to 5^10 times 5^5?

Mathematics
1 answer:
9966 [12]3 years ago
4 0

I believe the answer is A

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I need an explanation for the problem 4v2=-12v-9. I don't understand why it factors into 4v+3 and 4v+3
kirza4 [7]

Answer:

The factors are 2v+3,2v+3.

The factors are not 4v+3,4v+3

Step-by-step explanation:

Equation is 4v^2=-12v-9.

This equation can be written as follows:

4v^2+12v+9=0

Here,

12v=6v+6v

Therefore,

4v^2+6v+6v+9=0\\2v(2v+3)+3(2v+3)=0\\(2v+3)(2v+3)=0

So, the factors are 2v+3,2v+3.

The factors are not 4v+3,4v+3

7 0
3 years ago
For what value of "a" will the product shown below have a purely imaginary value? (Show work please)
MakcuM [25]
If you expand out the brackets you get this,

(4+5i)(a+2i) = 4a + (5a)i + 8i - 10

The -10 comes from 5i * 2i.
Squaring i becomes -1.

Let's group the real stuff together,
and imaginary separately,

(4a - 10) + (5a + 8)i

For this to be purely imaginary,
the real part needs to be zero.

Therefore 4a - 10 = 0

Solve for a.
5 0
3 years ago
What is 19/5 as mixed number
icang [17]
3 4/5 because if 5 only goes into 19 3 times and then there is 4/5 left
6 0
3 years ago
Read 2 more answers
OMG PLEASE ANSWER QUICK I WILL GIVE BRAINLIEST
ladessa [460]

Answer:

63/500

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
The height of tower A is 852 feet more than tower B. The two towers have a combined height of 1,824 feet. What are the heights o
RUDIKE [14]
\bf \textit{A is 852 feet more than tower B}\implies a=b+852
\\\\\\
\textit{The two towers have a combined height of 1,824}\implies a+b=1824\\\\
-------------------------------\\\\
\begin{cases}
\boxed{a}=b+852\\
a+b=1824\\
----------\\
\boxed{b+852}=1824
\end{cases}
\\\\\\
b=1824-852\implies b=972

how tall is A? well, a = b + 852.
8 0
3 years ago
Read 2 more answers
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