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mixas84 [53]
2 years ago
11

the lenght of a rectangle is x+5 and it,s breath is x-5the areas of a rectangle is is x raise to the power of 2-x-15 is it true

or false?
Mathematics
1 answer:
sukhopar [10]2 years ago
4 0

Answer:

False

Step-by-step explanation:

the area (A) of a rectangle is calculated as

A = length × breadth

  = (x + 5)(x - 5) ← expand factors using FOIL

  = x² - 5x + 5x - 25

 = x² - 25 ≠ x² - x - 15

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Are these ratios equivalent? 12 friends : 15 strangers AND 6 friends : 14 strangers
meriva

Answer:

No

Step-by-step explanation:

12:15 can be simplified to 4:5

6:14 can be simplified to 3:7

These two are not equivalent to eachother

6 0
3 years ago
At age 51 Oscar set up a 401(k) where he plans to deposit $9000 at the beginning of each year until age 75 find the amount of th
Temka [501]
Hi there
The formula of the future value of annuity due is
Fv=pmt [(1+r)^(n)-1)÷r]×(1+r)
Fv future value?
PMT payment 9000
R interest rate 0.04
N time 75−51=24 years
So
Fv=9,000×((((1+0.04)^(24)−1)
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6 0
3 years ago
Triangle PQR has the coordinates P(2,4), Q(-2,4), R(0,-5).
tensa zangetsu [6.8K]

Answer:

I hope I got this correct.

Step-by-step explanation:

Multiply the coordinates by 2.

P(4,8)

Q(-4,8)

R(0,-10)

For the future if you get stuck, multiply the coordinates by the dilation number.

4 0
2 years ago
(2x+5)/(3x)-:(2x-1)/(x+1)
andreyandreev [35.5K]

Answer:

2x(power of two)+7x+5

-------------over-------------------

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Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
Moussa is preheating his oven before using it to bake. The initial temperature of the
Yuki888 [10]

Answer:

365°, (65 +20t)°

Step-by-step explanation:

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= 65 +300

= 365°

Temperature after t minutes

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8 0
2 years ago
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