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horsena [70]
3 years ago
7

How do I find this formula? Trapizoid:b1=3 m;b2=4 m;A=7m2

Mathematics
2 answers:
DochEvi [55]3 years ago
8 0
That depends. What are you trying to find? The formula for the perimeter? The formula for the area?
enot [183]3 years ago
4 0
The answer is 2 the formula for a trapezoid is b1+b2*h 
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Between 1965 and 1980, the world population grew at an annual rate of 2%. Using the rule of 72, population is expected to double
Fiesta28 [93]

Answer:

The population is expected to double in 36 years

Step-by-step explanation:

According to the the rule of 72,

A value is doubled if the product of the annual rate and number of years is 72,

Given,

The annual rate of interest = 2%

Let x be the time in years after 1965,

By the above statement,

The population will double if,

x × 2 = 72 ⇒ x = 36

Hence, the after 36 years since 1965 the population will be doubled,

i.e in 2001.   ( ∵ 36 years after 1965 )

4 0
3 years ago
Given that sin 28° ≈ 0.469, enter the cosine of a complementary angle.
Lena [83]

Answer:

29 i think not sure ill reach back to you if i find a positive answer

4 0
3 years ago
Solve for the variable
liraira [26]

Answer:

y = 25

Step-by-step explanation:

30=\frac{6}{5} y\\\\\frac{6}{5} y=30\\\\(\frac{6}{5} y)5=30*5\\\\6y=150\\\\\frac{6y=150}{6}\\\\\boxed{y=25}

Hope this helps!

8 0
3 years ago
Need some help with this one!!!
muminat

Answer:

210

Step-by-step explanation:

2 x 3 x 5 x 7 = 210

4 0
3 years ago
The two lines graphed below are parallel. How many solutions are there to the
NISA [10]
The is going to be infinite answers
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2 years ago
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