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tigry1 [53]
3 years ago
9

More points. Thank you!

Mathematics
1 answer:
Stels [109]3 years ago
5 0

The correct answer is B. (3x - 4)(3x + 4)

In order to find this we first can note that the term in the front and the term in the back are both perfect squares. Since the middle term is cancelled out, we can use the difference of two squares to factor.

a^2 - b^2 = (a - b)(a + b)

Since the square root of 9x^2 is 3x, we can use that for a. Since the square root of 16 is 4, we can use that b.

(3x - 4)(3x + 4)

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The ratio of the length of an airplane wing to its width is 9 to 1. If the length of a wing is 40.4 ​meters, how wide must it​ b
VARVARA [1.3K]
The ratio of length to width is 9:11 is to 9 as x is to 40.41/9 = x/40.4 x = 40.4/9 = 4.48888.. meters
4 0
3 years ago
Gloria deposited $500 into a bank account that earned 7.5% simple interest each year. She earned $225 in interest before closing
ValentinkaMS [17]
Gloria deposited $500 for six years.
Hope that helps
5 0
3 years ago
Can. Y’all help with this
solmaris [256]

Answer:

Your Answer Would be the 3rd Option.

Step-by-step explanation:

The Initial Value is : 4. All you have to do is look for when the x = 0

ROC: 1/2. Minutes =x, Inches= Y. To find ROC, take

Y2 - Y1

----------

X2 - Y1

Replacing those with numbers:

5 - 4

-------

2 - 0

Your ROC is 1/2 .

Equation:

y= 1/2x + 4

Know that The 4 is the initial value, so it's always in that spot. Your ROC is always Next to the x, which also means it's the slope.

7 0
3 years ago
Consider circle C with diameter DE. The equation of circle C is ()2 + ()2 = .
Ne4ueva [31]

Answer:

The equation of circle C is ( x-5 )2 + ( y-7 )2 = 80 .

Step-by-step explanation:

7 0
3 years ago
A Best Eastern Motel is a regional motel chain. Its rooms rent for $90 per night, on average. The variable cost is $40 a room pe
Vlad1618 [11]

Answer: break even point  (y) = 24000

Step-by-step explanation:

This is quite simple to solve,

We will take a step by step calculation.

let us begin;

Given that the Room rent per night is = $90

Also the variable cost per night = $40

Total fixed cost = $1200,000

Now we are asked to solve for the Break even point;

Remember that at break even point, the Revenue = cost

Say the required revenue from renting y rooms R = $90y

The cost of renting y rooms = C = $ (40y + 1200,000)

therefore from this we have the Break even point as

$90y = $ (40y + 1200,000)

where y = 24000

cheers i hope this helps!!!!!!

4 0
3 years ago
Read 2 more answers
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