2 years ago

HELP PLEASE!!! I give Brainlliest!!! 15 points!!!

Mathematics

2 answers:

Svetlanka [38]2 years ago

6 0

Answer:

0.13, 0.15, 0.17

Step-by-step explanation:

ivann1987 [24]2 years ago

6 0

Answer:

Here I will be your second person

Step-by-step explanation:

good job on the brainliest

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$6950.82, if you follow the formula P(1+r/t)^(n/t)

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What is the value of x. What is the measure of angle ABC and what is the value of angle CBD

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Step-by-step explanation:

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What is the answer to 3/7w-11=4/7w

sladkih [1.3K]

For this equation first you should add +11 on both sides and the add -4/7w so you will have:
3/7w- 4/7w = 11 ⇒ -1/7w = 11 ⇒ w = 11* -7 = -77 so the answer is:
w = -77 :)))
i hope tis is helpful
have a nice day

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2 years ago

the cost of old boiler is £775 per year,the new one is £1850 ,the cost of using a new boiler will be 1/5 less than the cost of u

Tanya [424]

Answer:

I think its 12.3 years

Step-by-step explanation:

a fifth of 775 is 155 and 155 x 12.3 = 1850

4 0

2 years ago

Example:

Aleonysh [2.5K]

Answer:

AB // CD and AD // BC, then ABCD is a parallelogram

Step-by-step explanation:

Step 2: Show AD // BC

A = (-3 , 3) and D = (0 , 0)

Find the slope of AD

$m_{AD}=\frac{0-3}{0--3}=\frac{-3}{3}=-1$

B = (2 , 5) and C = (5 , 2)

$m_{BC}=\frac{2-5}{5-2}=\frac{-3}{3}=-1$

The slope of AD = the slope of BC

So AD // BC because they have the same slope

Step 3:

Each two opposite sides are parallel in quadrilateral ABCD

So the quadrilateral is a parallelogram

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2 years ago