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hammer [34]
3 years ago
10

Deanna estimated the product of 6.45 and 10.2. How does the estimate compare to the exact product?

Mathematics
1 answer:
12345 [234]3 years ago
5 0

The estimate should be 60 (because you round down the 6.45 and 10.2 to 6 and 10). Since you rounded down, the actual product will be greater than the estimate.

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A positive integer is 28 more than 3 times another. Their product is 580. Find the two integers
Degger [83]

10 and 58

10*58=580

10*3+28=58

6 0
3 years ago
In ΔLMN, the measure of ∠N=90°, the measure of ∠M=17°, and MN = 20 feet. Find the length of LM to the nearest tenth of a foot.
andrey2020 [161]
20.9 ft
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. 
cos \theta = \frac{adj}{hyp}
plug in known values
cos(17) = \frac{20}{x}
switch cos(20) and x using the products property
x = \frac{20}{cos(17)}
plug into calculator to get 20.9 ft

3 0
3 years ago
Read 2 more answers
The value of a new mountain bike declines exponentially. If the bike costs $5000 when it is new and loses 10% of its value each
Amiraneli [1.4K]

Answer:

1743.39

Step-by-step explanation:

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6 0
2 years ago
Which inequality represents this sentence?
leonid [27]
I think your first answer is correct
5 0
2 years ago
Please see attached photo for problem from my homework set.
Reika [66]

Answer: (x - 1)(x - 23)

Step-by-step explanation:

    First, we can factor the x² part:

(x)(x)

    Next, we will look at the -24x and +23

-> We need two numbers that multiply to 23 and add to -24

-> 23 is a prime number, so we will use 1 and 23

    For -24, 1 and 23 must be added together. Since a negative times a negative is a positive, and a negative plus a negative is a positive, we will turn them into -1 and -23.

    This gives us a final answer of:

(x - 1)(x - 23)

7 0
2 years ago
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