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Aloiza [94]
3 years ago
7

Solving Inequality's

Mathematics
1 answer:
devlian [24]3 years ago
5 0
How can I send you the drawn representation on number line ?

25)

z + 4 >= 2z

-z >= -4

z <= 4  (you flip the sign when you divide over negative number)

on number line:  from 4 to -infinity

you use normal arithmetic like equations

29)

-9 + 2a < 3a

-9 < a  (just one step done)

on number line from -9 to infinity

41 and 43 ? not in the page 


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Math Activity #2<br>The number of the day is 178.25<br>• Write this number in word form:​
Nady [450]

Answer:

one hundred seventy eight point two five.

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3 years ago
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What is (1.2 x 10^-2) x (3 x 10^5)
liraira [26]

Answer:

B. 3.6 x 10^3

Step-by-step explanation:

(1.2 x 10^-2) x (3 x 10^5)

When we multiply terms with powers , we multiply the factors out front and add the exponents

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(1.2 x 10^-2) x (3 x 10^5)   = (1.2* 3) * 10^(-2+5)

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6 0
2 years ago
Write an equation to solve each problem and then solve it. b In a 3-digit number, the hundreds digit is four more than the ones
Misha Larkins [42]

Answer:

digits are: 0, 4, 8. The required number is: 480.

Step-by-step explanation:

→ Let ones digits is 'x', then according to the condition the hundreds digit is 'x+4', and the tens digit is '2(x+4)'.

→ According to the condition the sum of the digits is: x+(x+4)+2(x+4)=12.

→ After evaluation this equation, x=0 - this is ones digit;

→ x+4=0+4=4 - this is hundreds digit;

→ 2(x+4)=2(0+4)=8 - this is ten digit.

3 0
3 years ago
Simplify: (4xy)^0 please help
katrin2010 [14]
I believe that would be 1
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3 years ago
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maks197457 [2]
This is super simple. Begin with cross multiplying


35/x=7/13 becomes (35)*(13)=(7) *(x)

Then multiply my love muffin, you get...

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divide both sides by 7

65=x
-or-
x=65

hope that helped :)

6 0
3 years ago
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