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wlad13 [49]
2 years ago
15

DATE: 1.75 = 10e^-0.25t solve for t

Mathematics
1 answer:
Virty [35]2 years ago
8 0

Answer:

yesssssssssss you're right

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One nickel weighs 5 g. Find how many nickels are in 7.0 kg of nickels
malfutka [58]

Answer:                                                                                                                there are 200 nickels in 1 kilogram of nickels

Step-by-step explanation:

For this case we must take into account the following conversion:

1Kg = 1000 g

Therefore, we can make the following rule of three:

5 grams ---------> 1 nickel

1000 grams ----> x

Clearing x we have:

x = (1000/5) * (1)

x = 200 nickels

4 0
3 years ago
Someone pls help i don’t understand this
soldi70 [24.7K]

Answer:

to help, i will demonstrate the first problem. This is a right triangle. We know this because it is a 45-45-90 triangle.

Because of this we know that the sides are 2 and 2 (they must be equal).

Now we need the hypotenuse- the side across from the right angle (in other words, the diagonal line).

To do this we take 2 times the square root of two. This makes it 2.82.

3 0
3 years ago
What is the product of 4(8x + 5).
Andrei [34K]

We can solve this by distributing

4(8x+5)

Now, distribute the 4 to both 8x and 5.

32x+20

That's your answer!

6 0
2 years ago
What are two different ways you could find the value of a? Explain these methods.
Ulleksa [173]
See the attached figure to better understand the problem

we know that

1) First way to find the value of a
in the triangle ABC
<span>applying the Pythagorean theorem
AC</span>²=AB²+BC²--------> BC²=AC²-AB²-----> BC²=25²-15²-----> BC²=625-225
BC²=400--------> BC=20 units
a=BC
a=20 units

2) Second way to find the value of a

in the triangle ABD

AB²=AD²+BD²--------> BD²=AB²-AD²-----> BD²=15²-9²---> BD²=144
BD=12 units

in the triangle BDC
a=BC
BC²=BD²+DC²-----> 12²+16²----> 144+256------> BC²=400
BC=20 units
a=20 units

4 0
3 years ago
Read 2 more answers
Which graph is the graph of f(x)= (x - 1)/(x + 2) ?
omeli [17]

Answer:

going clockwise from upper left the correct graph is the 2nd one

Step-by-step explanation:

asymptote at -2

4 0
3 years ago
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