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N76 [4]
3 years ago
9

Solve using the sustition method. Y=5-2x, 3x+y=8

Mathematics
1 answer:
PolarNik [594]3 years ago
3 0
Y = -2x+5
y = -3x+8

hope this helps :)
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Complete the equation of the line whose interpret is (9.0) and slope is -2. Remember to use y=mx+b format
kenny6666 [7]

Answer:

y = - 2x + 18

Step-by-step explanation:

Step 1:

y = mx + b          Slope Intercept Form

Step 2:

y = - 2x + b         Input Slope Value

Step 3:

0 = - 2 ( 9 ) + b           Input x and y values

Step 4:

0 = - 18 + b        Multiply

Step 5:

b = 18          Add 18 on both sides

Answer:

y = - 2x + 18

Hope This Helps :)

7 0
3 years ago
A storage closet holds twelve boxes stacked upon each other, with each box being 10 inches high. How many feet are there between
Vikentia [17]

Answer:5

Step-by-step explanation:there are 6 boxes between the top of the 3rd box and the bottom of the 10th box.

Since each box is 10 inches tall, the length of the 6 boxes sum up to 60 inches.

and since 12 inches =1 feet,

Then 60 inches = 5 feet

How to solve

Let "y" = the unknown number of feet's

12 inches = 1 feet

60 inches = y

Cross multiply

> 12×y =60×1

> 12y =60

Divide both sides by 12 since you want the value of "y".

> 12y÷12=60÷12

So 12 cancels out leaving the final answer to be:

> y=5

6 0
3 years ago
Read 2 more answers
. In the U.S., from 2004−2015, the correlation coefficient for the relationship between the size of a cell phone data plan, x, a
bonufazy [111]

Answer: strong positive correlafion between data plan size 'x' and number of text messages sent 'y'

Step-by-step explanation:

'R' in statistics is used to denote correlation Coefficient. The correlation Coefficient is a value which ranges between -1 to +1. It tells us the level of relationship or correlation which exists between the relative movement of two variables, in this case the relationship between data plan size and the number of text messages sent in the US. R value of 0 depicts that no relationship exists between the two variables, R value closer the R value is to +1 and - 1 depicts the strength of positive and negative correlation of the two variables respectively.

A R value of +0.97 in the context above, depicts a strong positive correlation between data plan size and number of text messages sent in the US. That is large data size usually corresponds to large number of text messages and vice versa.

4 0
3 years ago
The length of a room is 10 and 1/2 feet what is the length of the room in inches
yulyashka [42]
First, 10 1/2 is the same as 21/2

If there are 12 inches in a foot then
21/2*12=126 inches


3 0
3 years ago
Read 2 more answers
Can someone please express 105/20 as a mixed number in simplist form
storchak [24]
Just divide 105 by 20

this gives you 5 5/20

this can then be reduced to 5 1/4

answer: 5 1/4
7 0
3 years ago
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