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3 years ago

Find the missing term in each pair of equivalent ratios.

Mathematics

1 answer:

Masteriza [31]3 years ago

3 0

1. 7/15 = 63/135

2. 6/13 = 48/104

hope this will help you

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Find the equation of the line that passes through the point (-5,7) and is perpendicular to the line y=-x+12.

insens350 [35]

Answer:

y=x+12

Step-by-step explanation:

y=-x+12; is a line with slope m1=-1

to find perpendicular slope of intersecting line take the negative inverse of m1. so -1*(1/(-1))=1=m2

use equation for a line of y=m*x+b and put in the point (-5,7) and solve for b=the y axis intercept

7=1*(-5)+b

7=-5+b

12=b

y=x+12

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2 years ago

Express in scientific notation.<br><br> 0.041

lubasha [3.4K]

Answer:

4.1 x 10^-2

Step-by-step explanation:

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2 years ago

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8. Write the equation of the line that is parallel to the line 2x + 5y = 15 and passes through the

marissa [1.9K]

Answer:

$\sf y = \bold -\frac{2}{5} x -3$

Explanation:

part A identification for slope:

$\sf 2x + 5y = 15$

$\sf 5y = -2x + 15$

$\sf y = \frac{-2x + 15}{5}$

$\sf y = -\frac{2 }{5} x+3$

comparing with slope intercept form: y = mx + b

we can find that here the slope is $\bold -\frac{2}{5}$

part B, solving the equation:

if the line is parallel, then the slope will be same.

given coordinates: ( - 10, 1 )

using the equation:

y - y₁ = m( x - x₁ )

$\sf y - 1 = \bold -\frac{2}{5} (x --10)$

$\sf y = \bold -\frac{2}{5} x -4 + 1$

$\sf y = \bold -\frac{2}{5} x -3$

Extra information:

check the image below. this proves that the line is parallel and passes through point (-10, 1). the blue line is question line and red the answer line.

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1 year ago

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100 points!!!!!!!! A box contains 8 rings, 10 necklaces, and 4 pins. If Anya selects 1 piece at random, does NOT replace it, and

Aliun [14]

Answer:

2/25

Step-by-step explanation:

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2 years ago

You are trying to catch a train, which will be leaving in 2 minutes. There are 2 kilometers between you and the train station. I

noname [10]

K, you have 2 minutes, one minute for one kilometer.
If you're in 60km/h, you're on 1km/m, so, if you cover 1 km in one minute, you need to stay in that speed to get to the train station.

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2 years ago