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puteri [66]
3 years ago
13

What is the length of the line?

Mathematics
1 answer:
Vikki [24]3 years ago
4 0

Answer:

B

Step-by-step explanation:

You count the units.

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Consider this quadratic equation.
soldi70 [24.7K]

Answer:

-(-3) ± √(-3)^2 - 4(2)(-5) / 2(2)  (the last choice).

Step-by-step explanation:

Im ignoring the 2^2 in the equation

The equation transforms to

2x^2 - 3x - 5 = 0    (standard form)

So x = -(-3) ± √(-3)^2 - 4(2)(-5) / 2(2)

3 0
1 year ago
Find a rational number halfway in between the two numbers. 7/9 and 3/4<br><br>​
AlekseyPX

Answer: 55/126

Step-by-step explanation:

For this equation, the easiest way to solve is to change the denominators, or bottom halves, of both fractions to be the same thing. The easiest way to do this is to multiply themselves with a “funny form” of one. A funny form of one is just a way of representing “1” with numbers that aren’t 1. “2/2” is a funny form of one. log(x)/log(x) is a funny form of one, etc..

(3/7)x(9/9)=27/63

(4/9)x(7/7)=28/63

These fractions are very close. If you are willing to settle for an unsimplified fraction, the answer here would be 27.5/63. If you aren’t willing to settle for the unsimplified form, we can multiply both fractions by a funny form of one again, most easily 2/2, and find the median of the two fractions.

(27/63)x(2/2)=54/126

(28/63)x(2/2)=56/126

The median of these two fractions is 55/126.

55/126 is exactly halfway between 3/7 and 4/9.

7 0
3 years ago
What is the algebraic expression for the difference between seven times a number and three times that number?​
anastassius [24]

Given

An algebraic expression is the difference between seven times a number and three times that number.

To find:

The algebraic expression.

Solution:

Let x be the unknown number.

Multiplication is used for times and subtraction is used for difference.

7 times of a number = 7x

3 times of that number = 3x

The difference between seven times a number and three times that number is

Difference = 7x-3x

Difference =4x

Therefore, the algebraic expression for the given statement is 7x-3x and its simplified form is 4x.

6 0
2 years ago
Read 2 more answers
HELP NOW PLZ!!!!
nignag [31]

Is there a picture that you can provide with this? I would be glad to try and help.

3 0
3 years ago
Read 2 more answers
How many centimeter are there in one meter​
nadezda [96]

Answer:

100

Step-by-step explanation:

centi means 100 so anything with centi infront of it usually refers to 100

3 0
3 years ago
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