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Angelina_Jolie [31]
3 years ago
5

The sum of two numbers is 50 and the difference is 10. What are the numbers?

Mathematics
1 answer:
Black_prince [1.1K]3 years ago
5 0

Answer:

I believe the answer is 20 and 30

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Is this number written in scientific notation? 33.4 × 10 − 2 Group of answer choices Yes it is in scientific notation No it is n
Rus_ich [418]

Answer:

<h3>No it is not in scientific notation</h3>

Step-by-step explanation:

The standard form of a scientific notation is expressed as:

A * 10^n where;

A is any number from between 1 and 10

Given the expression 33.4 × 10^ − 2

Comparing with the general formula, you will see that A = 33.2

Since the value of A does not fall between 1 and 10, hence the expression 33.4 × 10^-2 is not a scientific notation

<em></em>

8 0
2 years ago
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-7w+8 (w+1)=w-7<br> Please show work
kvv77 [185]
Hello there.^••^

−7w+8(w+1)=w−7
w+8=w−7
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What is the y-intercept of the line described by the equation y= 7x+4
Eddi Din [679]
The slope-intercept form: y = mx + b

m - the slope
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y = 7x + 4

Answer: The y-intercept b = 4 ⇒ (0; 4)
6 0
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Item 3
Karo-lina-s [1.5K]
The solution is x=-4, y=-2

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