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3 years ago

I am having difficulty with these two questions, 12 and 13.Can someone explain to me how to graph the line

Mathematics

2 answers:

yanalaym [24]3 years ago

8 0

You need to graph the m, on the designated number. Then the b on the designated line/number

Arlecino [84]3 years ago

3 0

I cant see all of 13...but I can help u with 12.

In y = mx + b form, the m is gonna be ur slope and the b is gonna be ur y int (where ur line crosses the y axes)

y = mx + b
slope(m) = -3/4
b = 4...so ur y int is (0,4)

to find ur x int, sub in 0 for y and solve for x
y = -3/4x + 4
0 = -3/4x + 4
3/4x = 4
x = 4 * 4/3
x = 16/3...so ur x int is (16/3,0)......for graphing purposes, 16/3 = 5 1/3

so start at ur y int (0,4)...and since ur slope is -3/4, ur gonna go down 3, and to the right 4, then down 3, then to the right 4 ...and so on...and u should cross the x axes at (16/3,0)

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xz_007 [3.2K]

Answer:

A) 3 in

General Formulas and Concepts:

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Order of Operations: BPEMDAS

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Left to Right

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Surface Area of a Sphere: SA = 4πr²
Diameter: d = 2r

Step-by-step explanation:

Step 1: Define

SA = 23 in²

Step 2: Find r

Substitute [SAS]: 23 in² = 4πr²
Isolate r term: 23 in²/(4π) = r²
Isolate r: √[23 in²/(4π)] = r
Rewrite: r = √[23 in²/(4π)]
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3 years ago

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RSB [31]

I think it’s A but I’m not sure

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3 years ago

Which recursive formula can be used to generate the sequence shown, where f(1) = 5 and n > 1?

Degger [83]

The recursive formula $a_n = a_{n-1}-6$ can be used to generate the shown sequence

Step-by-step explanation:

Recursive formula is the formula that is used to generate the next term of a sequence using previous term.

The general form of arithmetic sequence's recursive formula is:

$a_n = a_{n-1}+d$

Given

5,-1,-7,-13,-19

Here

$a_1 = 5\\a_2 = -1\\a_3 = -7$

First of all we have to find the common difference of the sequence.

So,

$d = a_2 -a_1 = -1-5 = -6\\d = a_3-a_2 = -7+1 = -6$

Putting the value of d in the general recursive formula

$a_n = a_{n-1}-6$

Hence,

The recursive formula $a_n = a_{n-1}-6$ can be used to generate the shown sequence

Keywords: Sequence, arithmetic sequence

Learn more about arithmetic sequence at:

#LearnwithBrainly

8 0

3 years ago

Read 2 more answers

The stopping distance, D, in feet of a car is directly proportional to the square of it's speed, V. Write the direct variation e

kow [346]

Answer:

$D=kV^2$

Step-by-step explanation:

In this problem, it is given that,

The stopping distance, D, in feet of a car is directly proportional to the square of it's speed, V.

We need to write the direct variation equation for the scenario above. It can be given by :

$D\propto V^2$

To remove the constant of proportionality, we put k.

$D=kV^2$

k is any constant

Hence, this is the required solution.

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3 years ago