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Maksim231197 [3]
3 years ago
8

Pleaseeee help ; will give brainliest ✨!!!

Mathematics
1 answer:
Stella [2.4K]3 years ago
4 0

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

B & D

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

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Find the equation of the straight line passing through the points (-1,3) and (1,9).
Lena [83]

Answer:

The equation of the straight line is y=3x+6

Step-by-step explanation:

Any straight line passing through points (a_1,b_1) and  (a_2,b_2)  is given by:

y-b_1=m(x-a_1)  where m is defined as the slope of the line:

m=\frac{b_2-b_1}{a_2-a_1}

In the given question

m=\frac{9-3}{1-(-1)} =3

Substituting the values we get:

<h2><u></u>y-3=3(x+1)\\y-3=3x+3\\y=3x+6</h2>

Reference: https://www.cuemath.com/geometry/equation-of-a-straight-line/

#SPJ2

6 0
2 years ago
What is the mean?<br><br> $5.25, $3.50, $4.50, $4.00 , $3.50
san4es73 [151]

Answer:

The answer to your question is: $4.15

Step-by-step explanation:

To find the mean we just have to sum all the values and divide them by the number of data.

mean = (5.25 + 3.50 + 4.50 + 4.00 + 3.50) / 5

mean = 20.75/5

mean = $ 4.15

7 0
4 years ago
Which expressions are equivalent to 16x4 − 64? Check all that apply. 16x4 + 16x – 16x – 64 16x4 – 8x – 8x – 64 (4x2 + 8)(4x2 – 8
KengaRu [80]

Answer:

16x4 + 16x – 16x – 64

16x4 – 8x – 8x – 64

(4x2 + 8)(4x2 – 8)

16(x2 + 2)(x2 – 2)

7 0
3 years ago
A company is packing cartons of candles. Each carton can hold 72 candles. So far, 48 cartons have been packed, but only 30 carto
Lelu [443]

Answer: 1,296 candles

Step-by-step explanation:

48 cartons have been packed yet only 30 have been loaded. The cartons still left are;

= 48 - 30

= 18 cartons

Each carton holds 72 candles so the candles that have not yet been loaded are:

= 18 * 72

= 1,296 candles

7 0
3 years ago
Kamaria opens a bank account with $300. Five weeks later, her account balance is $500. What was the average rate of change of he
Softa [21]

Answer:

$40 average

Step-by-step explanation:

500-300=200

200/5=40

6 0
3 years ago
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