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Strike441 [17]
3 years ago
12

9. Jeremy has incorrectly simplified the expression below. Correct his mistake.

Mathematics
1 answer:
faltersainse [42]3 years ago
7 0
5(y + 7) - 29 - 2
= 5y + 35 - 27
= 5y + 8
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The sum of two numbers is 67 . the larger number is 5 more than the smaller number. what are the numbers?
Scorpion4ik [409]
Call the numbers x and y. According to the first sentence, x + y = 67. According to the second sentence, x = y + 5. You can combine these two equations to find the values of these variables:

x + y = 67
(y + 5) + y= 67
2y = 62
y = 31

You can use this to find x by plugging in y to either original equation:

x = y + 5
x = 31 + 5
x = 36
8 0
4 years ago
What is the y-intercept of y = 1 + 6x?
Tcecarenko [31]

Answer:

Hey!

Your answer is 1 (the y-intercept is 1)

Step-by-step explanation:

x-intercept =  ( − 1/ 6  , 0 )

y-intercept =  ( 0 , 1 )

Explanation:

Slope formula is

=  r i s e/ r u n

 Since 6 is obviously  6/ 1 then...

we know that the slope goes up 6 units

and right 1 unit on a graph.  

Next we have  to find the y-intercept of the line

of y=6x+1, you substitute x as x=0.

y = 6

x + 1

y = 6 ( 0 ) + 1

so then y = 1

HOPE THIS HELPS!!

8 0
3 years ago
Read 2 more answers
Express the square root of -80 in its simplest terms.
spin [16.1K]

Answer:

C

Step-by-step explanation:

noting that \sqrt{-1} = i

Given

\sqrt{-80}

= \sqrt{16(-1)(5)}

= \sqrt{16} × \sqrt{-1} × \sqrt{5}

= 4i\sqrt{5} → C

4 0
3 years ago
Consider the function below. g(x) = 4x − 1 Find the difference quotient below (where h ≠ 0) and simplify your answer. g(x + h) −
eimsori [14]

Answer:

The difference quotient is 4.

Step-by-step explanation:

Given that:

g(x) = 4x - 1

To find:

Difference quotient = ?

where h \neq 0

Solution:

Formula for Difference quotient is given as:

\dfrac{g(x+h)-g(x)}{h}

First of all, let us find out g(x+h)

Replacing x with x+h

g(x+h) = 4(x+h)-1 \\\Rightarrow g(x+h) = 4x+4h-1

Now,

g(x+h)-g(x) = (4x+4h-1 )-(4x-1)\\\Rightarrow g(x+h)-g(x) = 4x+4h-1 -4x+1\\\Rightarrow g(x+h)-g(x) = 4h

Putting the above value in:

\dfrac{g(x+h)-g(x)}{h} = \dfrac{4h}{h}

We are given that, h \neq 0

\therefore \dfrac{4h}{h}  = 4

So, the difference quotient is 4.

3 0
3 years ago
What is sin, tan, and sec
aivan3 [116]

Answer:

Those are functions on a calculator.  Mostly used for Trigonometry.

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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