What is a tangent line

1 answer:

8 0

In geometry, the tangent line (or simply tangent) to a plane curve at a given point is the straight line that "just touches" the curve at that point. Leibniz defined it as the line through a pair of infinitely close points on the curve

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Please help this is important<br> -1.5x+12=2.5x-12

Anna35 [415]

Answer:

x = 6

Step-by-step explanation:

move all terms to the left:

-1.5x+12-(2.5x-12)=0

get rid of parentheses

-1.5x-2.5x+12+12=0

add all the numbers together, and all the variable.

-4x+24=0

move all terms containing x to the left, all other terms to the right

-4x=-24

x=-24/-4 - divide

x=+6

7 0

3 years ago

Joshua Treet had a $400.00 average monthly expenditure for entertainment during the second quarter of the year. He spent $401.50

irga5000 [103]

First, the formula for the average of a data set must be defined. It is calculated by adding all the numbers in the data set and then dividing the sum by the number of data. In this case, the average is set to be equal to $400 with the total number of data being 3, with the September expenditure set as an unknown, x. The equation is then set-up to be: 400 = (401.5 + 250 + x)/3. Thus, Joshua can spend as much as $ 548.5 to be able to have the same average as in his second quarter expenditure.

4 0

2 years ago

Is this number written in scientific notation 4.8•100^7

Ne4ueva [31]

No this number is not written in scientific notation
In scientific notation, it'll look like
4.8 * 10 ^14

In scientific notation it's 10 ^ n
NOT 100^n

Hope this helps

3 0

2 years ago

Joan and Ernie are earning money for summer camp. Joan receives a $7 weekly allowance plus $6 for each hour she helps her father

AysviL [449]

Answer:

6x+7

Step-by-step explanation:

3 0

2 years ago

Square root of 10x^2 times square root of 5x

Deffense [45]

Answer:

5√2x2

Step-by-step explanation:

6 0

3 years ago