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NARA [144]
4 years ago
15

(4s+3)(4s–3) i really neeed help

Mathematics
1 answer:
Blababa [14]4 years ago
6 0

Answer:

16s^2 -9

Step-by-step explanation:

(4s+3)(4s–3)

FOIL

first : 4x*4x = 16s^2

outer -3 *4s = -12s

inner 3*4s = 12s

last = 3* -3 = -9

Add them together

16s^2 -12s+12s -9

Combine like terms

16s^2 -9

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Solve for u.<br> 4+3u = -2<br> Simplify your answer as much as possible.
Elza [17]

Answer:

-2

Step-by-step explanation:

4+3u=-2

3u=-2-4

u=-6/3

u=-2

8 0
4 years ago
Read 2 more answers
Which is greater 3/5 or 1/4
OverLord2011 [107]
3/5 is greater than 1/4...
7 0
4 years ago
the slope of the line containing the points (-5, 3) and (-2, 1) is -2/3 2/3 -3/2 user: the slope of a line that is perpendicular
Slav-nsk [51]
Slope = (y2 - y1)/(x2 - x1) = (1 - 3)/(-2 - (-5)) = -2/(-2 + 5) = -2/3

For perpendicular lines, m2 = -1/m1 = -1/(3/8) = -8/3

A line passing through point (-4, 0) and parallel to the y-axis is x = -4

diameter=\sqrt{(7-1)^2+(5+3)^2}=\sqrt{6^2+8^2}=\sqrt{36+64}=\sqrt{100}=10
radius = diameter/2 = 10/2 = 5
center of circle = midpoint of diameter = ((-3 + 5)/2, (1 + 7)/2) = (2/2, 8/2) = (1, 4)
Required equation is (x - 1)^2 + (y - 4)^2 = 5^2
(x - 1)^2 + (y - 4)^2 = 25
8 0
3 years ago
Please help for brainliest
neonofarm [45]

Answer:

if I read your screen correctly

F radius  =  5 x {10}^{-8 }

Sr  radius   =  2 x  {10}^{-7}

40

Step-by-step explanation:

divide the larger one (Sr) by smaller one (F)

the coefficient = 2/5

the exponent = -7-(-8)

can you get the answer from there, don't forget to simplify

4 0
3 years ago
what was the original principal for an 8% simple interest bank account that holds $4340 after 3 years?
Solnce55 [7]

Answer:

The original deposited amount in the bank is $3500.

Step-by-step explanation:

Here. Let us assume the principal amount deposited in bank =  $P

The rate of interest = 8%

Total Amount in the bank after time period  =  $4340

Time Period = 3 yrs

Now, SIMPLE INTEREST = \frac{P \times R \times T}{100}

⇒ SI = SI = \frac{P \times 8 \times 3}{100} = 0.24P

or Interest =  0.24 P

Now, AMOUNT  = PRINCIPAL + INTEREST

⇒$4340  = P +  0.24 P

or, 4340 = 1.24 P

⇒ P = 1340 / 1.24 = 3500

Hence, the deposited amount in the bank for the duration of 3 years and interest rate 8%  is $3500

5 0
3 years ago
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