A bag contains purple marbles and white marbles, 34 in total. The number of purple marbles is 1 less than 4 times the number of
1 answer:
There are 27 purple marbles
Step-by-step explanation:
Let p be the purple marbles
and
w be the white marbles
Then according to given statements
Putting p = 4w-1 in equation 1
Adding one on both sides
Dividing both sides by 5
Putting w = 7 in equation 2
Hence,
There are 27 purple marbles
Keywords: Linear equation
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Answer:
B
Step-by-step explanation:
So we have the formula:
And we want to solve it for r.
So, let's first divide both sides by π and h. This will cancel out the right side:
Now, take the square root of both sides:
And we're done!
Our answer is B.
I hope this helps!
The slope of the linear regression equation y = 61. 93x - 1. 79 is attached with the response.
<h3>What is linear regression?</h3>Linear regression is the most primary and generally used predictive research. Regression calculations are utilised to represent data and to describe the association.
The slope of the linear regression equation represented in the graph is the straight-line cutting the intercepts on the y axis at 1.79.
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Answer:
Step-by-step explanation:
it's about 18, as per the graph
