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anzhelika [568]
3 years ago
12

If 5 is subtracted from the square of a number ,the result is 4 , find the number.

Mathematics
1 answer:
Levart [38]3 years ago
7 0

Answer:

9 I think

Step-by-step explanation:

I added 5 plus 4 to get 9 but I'm really not sure but I hope i helped!

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Find the sum of the first 8 terms in the following geometric series.
padilas [110]

Answer: 43690

Step-by-step explanation:

5 0
3 years ago
-5/4x - 2)=-2(3 +6x)
Alex

Answer:

x = (-16)/43

Step-by-step explanation:

Solve for x:

(-5 x)/4 - 2 = -2 (6 x + 3)

Put each term in (-5 x)/4 - 2 over the common denominator 4: (-5 x)/4 - 2 = (-5 x)/4 - 8/4:

(-5 x)/4 - 8/4 = -2 (6 x + 3)

(-5 x)/4 - 8/4 = (-5 x - 8)/4:

(-5 x - 8)/4 = -2 (6 x + 3)

Multiply both sides by 4:

(4 (-5 x - 8))/4 = -2×4 (6 x + 3)

(4 (-5 x - 8))/4 = 4/4×(-5 x - 8) = -5 x - 8:

-5 x - 8 = -2×4 (6 x + 3)

4 (-2) = -8:

-5 x - 8 = -8 (6 x + 3)

Expand out terms of the right hand side:

-5 x - 8 = -48 x - 24

Add 48 x to both sides:

48 x - 5 x - 8 = (48 x - 48 x) - 24

48 x - 48 x = 0:

48 x - 5 x - 8 = -24

48 x - 5 x = 43 x:

43 x - 8 = -24

Add 8 to both sides:

43 x + (8 - 8) = 8 - 24

8 - 8 = 0:

43 x = 8 - 24

8 - 24 = -16:

43 x = -16

Divide both sides of 43 x = -16 by 43:

(43 x)/43 = (-16)/43

43/43 = 1:

Answer:  x = (-16)/43

8 0
3 years ago
4/15 is equal to what
Scilla [17]
<span>Some equivalent fractions of 4/15 are: 8/30 = 12/45 = 16/60 = 20/75 = 24/90 Hope this helps</span>
8 0
3 years ago
Read 2 more answers
Please help I’ll mark you as brainliest if correct
erica [24]

Answer:

C:25

Step-by-step explanation:

Hopefully this helps!

4 0
3 years ago
Read 2 more answers
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
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