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3 years ago

11

ΔABC is similar to ΔDEF. The perimeter of ΔABC is five times the perimeter of ΔDEF. If the area of ΔABC is 100 cm2, what is the

area of ΔDEF?

1 answer:

mixas84 [53]3 years ago

6 0

Your answer is letter B) 100% trust me

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1400 dollars is placed in an account with an annual interest rate of 5.5%. to the nearest year, how long will it take for the ac

olga_2 [115]

It will take 19 years and 6 months for the account value to reach 2900 dollars

Step-by-step explanation:

Given

Principal amount = 1400 dollars

Rate = 5.5 %

Final value = A = 2900

We have to find t

So,

The formula for simple interest is:

$A = P(1+rt)$

Putting values

$2900 = 1400(1+0.055.t)\\\frac{2900}[1400} = 1+0.055t\\2.071 = 1+0.055t\\2.071-1=0.055t\\1.071 =0.055t$

Dividing both sides by 0.055

$\frac{0.055t}{0.055} = \frac{1.071}{0.055}\\t = 19.47\ years$

Rounding off to nearest tenth

19.5 years

Hence,

It will take 19 years and 6 months for the account value to reach 2900 dollars

Keywords: Interest, simple interest

Learn more about interest at:

#LearnwithBrainly

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3 years ago

What is the function graphed below?<br> O y= x + 0.5<br> O y= 2 x + 0.5<br> O y=x<br> O y=(0.5)

olga2289 [7]

Answer:

A. y= x + 0.5

Step-by-step explanation:

<u>We see that:</u>

y- intercept is b = 0.5, point (0, 0.5)
Rate of change is m = 1 as each next value of y is greater by 1.

<u>The function is:</u>

y = mx + b
y = x + 0.5

Correct choice is A

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2 years ago

Decrease <br>133 in the ratio 7:2

love history [14]

Answer:

38

Step-by-step explanation

2/7× 133=38

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2 years ago

Which point represents the opposite of -2?

vekshin1

Answer:

your answer is point D represent

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2 years ago

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Umnica [9.8K]

Answer:

hii

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feeling bored

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2 years ago

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