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slavikrds [6]
3 years ago
12

What is 7.0 divided by the power of 3

Mathematics
1 answer:
NikAS [45]3 years ago
3 0

Answer:

7/3

Step-by-step explanation:

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If a line passes through (2, 4) and (5,-4), what is the slope?​
Mila [183]

Answer:

So the slope is -8/3

Step-by-step explanation:

to find the slope you have to use m = y2-y1/x2-x1

so lets plug in our numbers

m = - 4- 4/5-2

 = -8/3

So the slope is -8/3

6 0
3 years ago
there are 3 slices of pie left, and the angle measurement is 72 degrees, how many slices was the pie cut in to
Daniel [21]
15; this is because 3 pies make up 72
with this you can make it so that 3x=72 
After this you need to find x which is a single pie
so; (3x/3)=(72/3)
      x= 24
Since you know a circle is 360 degrees all around the center
You can do 360/24 making it 15 pies. 
7 0
4 years ago
Strontium-90 has a half-life of 28.8 years. If you start with a 300-gram sample of strontium-90,
Kazeer [188]

Answer:  2.66 × 10⁻¹³

<u>Step-by-step explanation:</u>

First, use the decay formula   A=A_oe^{kt}   where

  • A is the final amount (amount left)
  • A₀ is the initial amount (amount you started with)
  • k is the rate of decay (you need to solve for this)
  • t is the time

Given:

  • A = 1/2(300) = 150
  • A₀ = 300
  • k = unknown
  • t = 28.8

150=300e^{28.8k}\\\\0.5=e^{28.8k}\\\\ln(0.5)=ln(e^{28.8k})\\\\ln(0.5)=28.8k\\\\\\\dfrac{ln(0.5)}{28.8}=k\\\\\\\large\boxed{-0.0240676=k}\\

Next, input the k-value and the new t-value to solve for A.

  • A = unknown
  • A₀ = 300
  • k = -0.0240676
  • t = 1440

A=300e^{1440(-.0240676)}\\\\\large\boxed{A=2.66\times 10^{-13}}\\

5 0
4 years ago
When you purchase an item with a credit card, you might not ever have to pay for it. True False
Sergio039 [100]
False. You get billed by the end of the month the money is “borrowed” money from the bank until you have to pay it all back, if it’s not paid on time you have to pay extra (interest). With debit card your money is taken out immediately.
6 0
3 years ago
HELP PLEASE :(
Softa [21]

Answer: The customer should buy Giana’s jewelry box.

Step-by-step explanation:

The jewelry boxes are rectangular prisms, in order to find the box that would hold the most amount of jewelry we need to find the volumes of each box.

V= l.w.h

Katherine’s box: 5x5x5= 125

Giana’s box: 10x12x2= 240

Jackson’s box: 10x5x4= 200

3 0
4 years ago
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