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hichkok12 [17]
2 years ago
6

Drag the number to each box to match the expression on the left to its estimate

Mathematics
1 answer:
Burka [1]2 years ago
7 0

Answer:

1 - 1/2

2 - 1

3 - 0

Step-by-step explanation:

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In ΔKLM, m = 5.3 inches, ∠K=21° and ∠L=88°. Find the length of k, to the nearest 10th of an inch.
gtnhenbr [62]

Answer:

20.9 ft

Step-by-step explanation:

This is a right triangle trigonometry question because N is 90 degrees. MN is adjacent to M and LM is the hypotenuse. Adjacent any hypotenuse use the cosine function. 

plug in known values

switch cos(20) and x using the products property

plug into calculator to get 20.9 ft

6 0
3 years ago
An experimental population of fruit flies increases according to the law of exponential growth. There were 60 flies after the 2n
Mice21 [21]

Answer:

There were 10 flies originally

Step-by-step explanation:

Since we have an exponential growth, we will be having a constant percentage of increase and we can set up the increase at any day using the following equation;

V = I(1+r)^d

where V is the number of flies on a particular day

I is the initial number of flies

r is the constant increase in percentage

and d is the number of days.

So we have for the second day;

60 = I(1+r)^2 ••••••(i)

For the fourth day, we have;

360 = I(1+r)^4 ••••••••(ii)

divide equation ii by i; we have;

360/60 = (1+r)^4/(1+r)^2

6 = (1+r)^2

(√6)^2 = (1+r)^2

1 + r = √6

r = √6 - 1

So we can substitute the value of r in any of the equations to get I which is the initial number of flies

Let’s use equation 1

60 = I(1 + r)^2

60 = I(1 + √6 -1)^2

60 = I(√6)^2

60 = 6I

I = 60/6

I = 10 flies

3 0
3 years ago
Enter your answer in the box.<br>The triangles are similar.<br>What is the value of x?​
IrinaVladis [17]

Answer:

x = 21

Step-by-step explanation:

4 0
2 years ago
The quotient of a number and 2 is larger than 3
Lostsunrise [7]
There are many for this ,but one sample is: 2 divided by 2is 4 X 3 which is 12.
8 0
2 years ago
Please help brain fam!!!
Alex787 [66]
The last statement. they are supplementary angles because they make 180 degrees. and they aren't corresponding, they're adjacent, meaning side by side sharing an arm. and they form a straight line
5 0
3 years ago
Read 2 more answers
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