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Dafna11 [192]
3 years ago
8

Please solve it CORRECTLY step by step asap​

Mathematics
1 answer:
Lorico [155]3 years ago
6 0

Answer:

Product = \frac{3}{5}ab

Step-by-step explanation:

Given

-\frac{3}{7}a

-\frac{21}{15}b

Required

The product

The product is:

Product = -\frac{3}{7}a * -\frac{21}{15}b'

Cancel out the negative signs

Product = \frac{3}{7}a * \frac{21}{15}b

Simplify fractions

Product = \frac{1}{7}a * \frac{21}{5}b

Product = \frac{1}{1}a * \frac{3}{5}b

Product = \frac{3}{5}ab

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The useful life of an electrical component is exponentially distributed with a mean of 1000 hours a. What is the probability the
julia-pushkina [17]

Answer:

0.865

Step-by-step explanation:

To solve for the probability we would be using the formula:

F(x) = 1 - e^−λx

Therefore, P(x > 2000) = F(x) = 1 - e^−λx

Mean = 1000 hours

λ = 1/mean = 1/1000 hours

x= 2000 hours

F(x) = 1 - e^−(1/1000)2000

F(x) = 1 - e^−2

= 0.8646647168

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3 years ago
Describe 2 ways you could evaluate 37% of the sum of 27 3/5 and 15/9  
miskamm [114]
First way is create an equation like this:
0.37(27 \frac{3}{5}+ \frac{15}{9}) 
and calculating it.
Second way is to find 37% of each number and then add it
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In both cases the result is 10.829
3 0
3 years ago
Which ratio is greater, 4:5 or 3:4?
Grace [21]
4:5
explanation-

Express the given ratios as fraction

4 : 5 = 4/5 and 2 : 3 =2/3

Now find the L.C.M (least common multiple) of 5 and 3

The L.C.M (least common multiple) of 5 and 3 is 15.

Making the denominator of each fraction equal to 15, we have

4/5 = (4 ×3)/(5 ×3) = 12/15 and 2/3 = (2 ×5)/(3 ×5) = 10/15

Clearly, 12 > 10

Now, 12/15 > 10/15

Therefore, 4 : 5 > 2 : 3.
7 0
3 years ago
Read 2 more answers
HELP ASAP !! NEED ANSWERS !!!
satela [25.4K]

Answer: 180 degrees clockwise

Step-by-step explanation:

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3 years ago
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