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4 years ago

Using a matrix, you can represent adding or subtracting equations by adding

Mathematics

2 answers:

Rudiy274 years ago

6 0

Answer:

false !!

Step-by-step explanation:

Olenka [21]4 years ago

5 0

Using a matrix, you CAN represent adding or subtracting equations by adding or subtracting rows of numbers. Therefore the answer is True

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What is the slope, y-intercept, and equation of a line given the points (-4, 0) and (1, 5)?

Alex Ar [27]

Answer:

$Slope: 1\\y-Intercept: 4\\Equation: y = x + 4$

Step-by-step explanation:

Given two points, we can find the equation of the line between them with the following:

$y = mx + b\\m = \frac{y_2-y_1}{x_2-x_1}$

First, we can calculate m, or slope

$m = \frac{y_2-y_1}{x_2-x_1} = \frac{5-0}{1-(-4)} = \frac{5}{5} = 1$

Next we can use the top equation and solve for b, the y-intercept

$y = mx + b\\y = x + b\\5 = (1) + b\\b = 4\\\\y = x + 4$

$Slope: 1\\y-Intercept: 4\\Equation: y = x + 4$

3 0

3 years ago

Billy drove 5 of 7.5 miles between his house and the mall. How many miles did he drive?

shtirl [24]

Answer:

0.375

Step-by-step explanation:

because 5 percent of 7.5 is 0.375

4 0

3 years ago

How would you write 0.7 as a fraction?

Paul [167]

0.7 as a fraction would be 7/10

3 0

3 years ago

What’s the answer to 10a - 13a being factored

solmaris [256]

Answer:

a(10 - 13)

Step-by-step explanation:

The only common factor between these numbers is a, as 10 and 13 do not share factors (13 is prime). We can only factor out a.

7 0

3 years ago

Please explain! I need help!

Basile [38]

Answer:

The scale Henry used was 0.0002

Step-by-step explanation:

100m + 400m : 10 cm

500m : 0.1m

0.1/500 = 0.0002

5 0

4 years ago