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Gnoma [55]
4 years ago
6

Simplify the expressioh 6.9-(-5)+4.1

Mathematics
1 answer:
barxatty [35]4 years ago
6 0
This would be 16. When you subtract a negative number, it’s really like adding. Once this part is done, the expression would be 11.9+4.1. 11+4=15 and 0.9+0.1= 1. 15+1= 16.
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Enzo is studying the black bear population at a large national park.
Naddik [55]

Answer:

2,973

Step-by-step explanation:

The black bear population B(t), in the park is modeled by the following function:

B(t) = 2500 \cdot 2^{0.01t}

Where t is the time(in years) elapsed since the beginning of the study.

We want to determine the black bear population in 25 years time, t=25.

B(25) = 2500 \cdot 2^{0.01*25}\\=2973.02\\\approx 2973

There will be 2,973 black bears in 25 years time.

4 0
3 years ago
Suppose corn chips cost 21.5 cents per ounce . If a bag cost $2.91, how many ounces of chips
mote1985 [20]

Answer:

13 ounces

Step-by-step explanation:

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8 0
3 years ago
Please help do not answer if you don't know it.
iogann1982 [59]
Area parlalelogram=base times height
areatrapizod=(1/2)(base1+base2) times height
areatriangle=1/2 times base times height



1. area=(1/2)(5.9+16.3) times 4.6=51.06
first option

2. area=1/2 times 20.3 times 6.2=62.93
2nd option

3. area=5 and 1/4 times 3=15.75 or 15 and 3/4 or
4th option


4., area=1/2 times 14 times 5.5=38.5
3rd option


5. area= 5.2 times 2.3=11.96
4th option

8 0
3 years ago
Which expression is equivalent to ?<br> x ^-5/3
Dmitry_Shevchenko [17]

Answer:

{x}^{ -  \frac{5}{3} }  \\  \frac{1}{ {x}^{ \frac{5}{3} } }

7 0
3 years ago
In ΔQRS, the measure of ∠S=90°, the measure of ∠Q=38°, and RS = 1.2 feet. Find the length of QR to the nearest tenth of a foot.
vazorg [7]

Answer:

1.9

Step-by-step explanation:

4 0
3 years ago
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