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frutty [35]
3 years ago
11

Every Question That Has This Awnser AWNSER ALL

Mathematics
2 answers:
Debora [2.8K]3 years ago
8 0

27) 3 (-5) (-7)

When there is no math symbol between numbers it is multiplication.

Multiply from left to right:

3 * -5 = -15

-15 * -7 = 105


28) -2 * 2 (-3) *2 =

-2 *2 = -4

-4 * -3 = 12

12*2 = 24


31) A negative divided by a negative is positive:

-128 / -4 = 32


32 -36 / 2 / 24 /4

Divide the top and bottom first then divide those:

-36 / 2 = -18

24 / 4 = 6

-18 / 6 = -3


crimeas [40]3 years ago
4 0

Answer:

try divided them

Step-by-step explanation: because i tried

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You take a 200 milligram dosage of aspirin. During each subsequent hour, the amount of medication in your bloodstream decreases
shepuryov [24]

Answer: The level of aspirin (mg) will be in your bloodstream in 4 hours = 35.70 mg.

Step-by-step explanation:

If the amount is decreasing by r%, then the final amount is given by :-

A=P(1-r)^t

, where P = initial value , t= time

Given: P= 200 milligram, r= 35% = 0.35, t= 4 hours

The level of aspirin (mg) will be in your bloodstream in 4 hours = 200(1-0.35)^4

=200(0.65)^4\\\\=200\times 0.17850625\\\\=35.70125\approx35.70 \ mg

Hence, the level of aspirin (mg) will be in your bloodstream in 4 hours = 35.70 mg.

5 0
3 years ago
A rectangular price tag has a perimeter of 10 centimeters and an area of 6 square centimeters. What are the dimensions of the pr
Reika [66]

Answer:

3 by 2

Step-by-step explanation:

3+2+3+2=10

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Hope this Helps!!!

8 0
3 years ago
Solve: -2x + 3 = -9 *<br> 2.<br> 3<br> 6<br> 8
vodomira [7]
Answer-3

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3 0
3 years ago
Solve the following exponential equation <br><img src="https://tex.z-dn.net/?f=3%20%7B%7D%5E%7B2x%20%7D%20%20-%209%20%3D%200" id
77julia77 [94]

Answer:

x = 1

Step-by-step explanation:

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3^{2x}-9=0

Add 9 to both sides of the equation:

\implies 3^{2x}-9+9=0+9

\implies 3^{2x}=9

\textsf{Apply exponent rule} \quad a^{bc}=(a^b)^c:

\implies \left(3^2\right)^{x}=9

\implies9^{x}=9

\textsf{Apply exponent rule} \quad a=a^1:

\implies9^{x}=9^1

\textsf{Apply exponent rule} \quad a^{f(x)}=a^{g(x)} \implies f(x)=g(x):

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8 0
1 year ago
Read 2 more answers
Write an expression for the operation. the difference of r and 10
dangina [55]
The final answer is 10-r. 
6 0
3 years ago
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