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Gekata [30.6K]
3 years ago
13

Y= -5x -4 please show your work

Mathematics
1 answer:
EleoNora [17]3 years ago
4 0
This you answer x=-1/5y+-4/5

http://www.mathpapa.com/algebra-calculator.html
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A function is defined by f(x)=5(2-x) what us f(-1)​
Llana [10]

Answer:

15

Step-by-step explanation:

To evaluate f(- 1) substitute x = - 1 into f(x), that is

f(- 1) = 5(2 - (- 1)) = 5(2 + 1) = 5 × 3 = 15

8 0
3 years ago
Drag each expression to show whether the product is less than 1
barxatty [35]

Equal to 1:

3*\frac{1}{3}\ \ , \ \ 5*\frac{1}{5}\ \ , \ \6*\frac{1}{6}

Less than 1:

1*\frac{5}{6}

Greater than 1:

2 * \frac{3}{4} \ \ , \ \ \ 3 * \frac{2}{5}

Step-by-step explanation:

We will solve each product one by one.

So,

3*\frac{1}{3} = 1\\\\6*\frac{1}{6} = 1\\\\2 * \frac{3}{4} = \frac{3}{2}\\\\1*\frac{5}{6} = \frac{5}{6}\\\\3*\frac{2}{5} = \frac{6}{5}\\\\5*\frac{1}{5} = \frac{1}{5}

As we have all the answers now.

  • If the denominator of a fraction is greater than ts numerator then the result is less than 1
  • If the denominator of a fraction is less than its numerator then the result is greater than 1.

So,

Equal to 1:

3*\frac{1}{3}\ \ , \ \ 5*\frac{1}{5}\ \ , \ \6*\frac{1}{6}

Less than 1:

1*\frac{5}{6}

Greater than 1:

2 * \frac{3}{4} \ \ , \ \ \ 3 * \frac{2}{5}

Keywords: Fractions, decimals

Learn more about fractions at:

  • brainly.com/question/4021035
  • brainly.com/question/4034547

#LearnwithBrainly

3 0
3 years ago
Is {3,…} a defined set
ankoles [38]

Answer:

is infinite set... because dots meaning non stop

6 0
3 years ago
Fred and Frank play a game. Fred picks an even number X and asks Frank to add all even numbers between 0 and X (inclusive) as fa
TiliK225 [7]

Answer:

The even numbers between 0 and X represents an arithmetic sequence with a common difference of 2

The rule of arithmetic sequence = a + d(n - 1)

Where a is the first term and n is the number of terms

So, for the even numbers between 0 and X

The first term = a = 0

d = 2

So, we need to find n at the last term which is X

∴ X = 0 + 2 ( n -1 )

∴ n - 1 = X/2

∴ n = X/2 + 1

The sum of the arithmetic sequence = (n/2) × (2a + (n−1)d)

Substitute with a and d and X

So, the sum = (n/2) * (2*0 + (n−1)*2)

                   = (n/2) * ((n−1)*2)

                   = n(n-1)

                   = (X/2 + 1) * (X/2)

                   = X/2 by (X/2 + 1)

So, The quick way to add all even numbers between 0 and X always works.

8 0
4 years ago
A flying disc has a 12 3/4 inch radius. What is the approximate circumference, rounded to the nearest inch?
Umnica [9.8K]

Answer:

12.34

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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