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Arte-miy333 [17]
3 years ago
12

Solve -1 4/5 x= 9. A) 5 B) 1/5 C) -5 D) -1/5

Mathematics
1 answer:
Darina [25.2K]3 years ago
7 0

Answer:

C

Step-by-step explanation:

Express - 1 \frac{4}{5} as an improper fraction, that is

- \frac{9}{5} x = 9 ( multiply both sides by 5 )

- 9x = 45 ( divide both sides by - 9 )

x = - 5 → C

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What is the factored form of 6n4 – 24n3 + 18n?
seropon [69]

Answer: Its factored form will be

6n(n-1)(n^2-3n-3)

Step-by-step explanation:

Since we have given that

6n^4-24n^3+18n

So, we need to factor ,

6n(n^3-4n^2+3)

Now,

\text{Let }p(n)=n^3-4n^2+3

Now, by hit and trial method, we put n=1,

p(1)=1^3-4\times1^2+3=1-4+3=1-1=0

n=1\\n-1=0

So, n-1 is also factor of p(n).

Now,

\frac{n^3-4n^2+3}{n-1}=n^2-3n-3

So, its factored form will be

6n(n-1)(n^2-3n-3)

8 0
3 years ago
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Which exponential function is represented by the values in the table?
svlad2 [7]

Here we use the equation

y = a(b)^x

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Substituting the point (0,4) , we will get

4 = a(b)^0
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4 = a(1)  \\
a =4

Substituting (1,2) we will get

2 = 4 (b)^1
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2/4 = b
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So we have

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Therefore , required equation is

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7 0
3 years ago
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What is the slope of the following equation?
777dan777 [17]

Answer: A. -3

Step-by-step explanation: The slope is the coefficent of x, this can be read as -3/1, down 3 over 1.

6 0
2 years ago
Which list is in order from least to greatest? A) 9.4 * 10^-8, 9.25 * 10^-6, 2.5 * 10^3, 7* 10^3 B) 2.5 *10^3, 7 * 10^3, 9.25 *
vladimir1956 [14]

ANSWER

A) 9.4 * 10^-8, 9.25 * 10^-6, 2.5 * 10^3, 7* 10^3

EXPLANATION

The numbers are given in standard form.

The first criteria we will use to order them is the exponents.

The bigger the exponents the bigger the number.

The second criteria is that, if the exponents of any two numbers are the same, then we use the numbers multiplying the powers of 10 to order.

9.4 * 10^{-8}  \: <   \: 9.25 * 10^{-6} \:  <  \: 2.5 * 10^3 \:  <  \: 7* 10^3

The correct choice is A.

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3 years ago
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inysia [295]

Answer:

(6,-1)

Solve for the first varible in one of the equations, then subsititue the other equation.

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