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3 years ago

Express 25 as a percentage of 75. *

Mathematics

2 answers:

lina2011 [118]3 years ago

7 0

Answer:

Step-by-step explanation:

First make it as a fraction:

$\frac{25}{75}=\frac{1}{3}$

$\frac{1}{3}$ = 33.3333...%

GalinKa [24]3 years ago

5 0

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25 is 1/3 of 75

You can calculate it this way:

(25/75) x 100 = 33.3333

Thus, your answer would be option D

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Rzqust [24]

Answer:

Undefined

Step-by-step explanation:

Its parallel to y-axis so the slope is undefined

8 0

3 years ago

Read 2 more answers

Given that a = 10,

tankabanditka [31]

Since $a = 10$ and $b = 2x + 5$ , we have

$ab=10(2x+5)=20x+50$

So, the equation becomes

$ab = 6x^2 +11x-10 \iff 20x+50= 6x^2 +11x-10 \iff 6x^2-9x-60=0$

The solutions to this equation are 4 and -5/2, so I'm afraid there's a typo in your question.

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3 years ago

Imagine the graph for the relation 4x-5y+20 = 0. What would be its slope?

muminat

4x - 5y + 20 = 0
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4x - 4x - 5y = -20 - 4x
 -5y = -20 - 4x
 -5y = -4x - 20
 -5 -5
 y = ⁴/₅x + 4
The slope would be ⁴/₅.

4 0

3 years ago

What is the first term in a geometric sequence if the common ratio is − 2 and the sum of the first six terms is −105?

Serggg [28]

$\bf \qquad \qquad \textit{sum of a finite geometric sequence}
\\\\
S_n=\sum\limits_{i=1}^{n}\ a_1\cdot r^{i-1}\implies S_n=a_1\left( \cfrac{1-r^n}{1-r} \right)\quad 
\begin{cases}
n=n^{th}\ term\\
a_1=\textit{first term's value}\\
r=\textit{common ratio}\\
----------\\
r=-2\\
n=6\\
S_6=-105
\end{cases}$

$\bf -105=a_1\left( \cfrac{1-(-2)^6}{1-(-2)} \right)\implies -105=a_1\left( \cfrac{1-(64)}{1+2} \right)
\\\\\\
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\\\\\\
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3 years ago

What is the product of 6+5i and 4+7i?

Vilka [71]

(6 + 5i)(4 + 7i) = 24 + 42i + 20i + 35i²
= 35i² + 62i + 24

The product of 6+5i and 4+7i is 35i² + 62i + 24.

8 0

3 years ago