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Yuki888 [10]
3 years ago
8

Find the equation of a line which passes through the point (3, -1) with the gradient M=2÷3​

Mathematics
1 answer:
cluponka [151]3 years ago
7 0

Step-by-step explanation:

Equ of line -

y=mx+c

Using point (3,-1)

3 as x, - 1 as y

M=2/3

Substitute the values of these coordinates

3=2/3(-1) +c - - - - now find for c

c= 3- (-2/3)

c= 3.67

Now with the value of c, put the values back into the equation form .. Assuming we don't have a point to work with

y=2/3x + 3.67

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3 years ago
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Janae's savings account has $50 on September 19. If she plans to save $5 every day, how much money will Janae have in her saving
Akimi4 [234]

Janae will have $ 95 in her account after 10 days.

<h3>What is an Arithmetic Progression?</h3>

A sequence of numbers that has a fixed common difference between any two consecutive numbers is called an arithmetic progression (A.P.)

Given,

Amount in Janae's account = $ 50

Amount she wishes to save for 10 days = $ 5

This scenario models an arithmetic progression(A.P)

In an A.P,

a _n = a + (n-1)d

where a _n = nth term, a is the first term, n is the no. of terms and d is the common difference.

In this question, a = 50, n = 10, d = 5 and we have to find out a _n

Therefore, a _n = 50 + (10-1)x5

                         = 50 + 45 = 95

Answer:- Janae will have $ 95 in her account after 10 days.

To learn more about arithmetic progression, refer to:

brainly.com/question/24191546

#SPJ10

8 0
1 year ago
A recipe for punch requires 20 grams of drink mix for 5 liters.
LuckyWell [14K]
4 grams of drink mix is needed per liter of water
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3 years ago
A 20ft ladder leans up against the wall. if the ladder is 3ft from the wall, what angle does the ladder make with the ground
RoseWind [281]

<u>Answer:</u>

<h2>θ ≈ 81.37°</h2>

<u>Explanation:</u>

let the angle the ladder makes with the ground be θ

θ = cos⁻¹(3/20)

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After you measured it you can check if the measurement is correct by knowing radius and arc length using formula,

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Hope this helps.

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