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3 years ago

What’s the equation for (-1, 2), slope = 3

2 answers:

7 0

Equation: Y = mx + b
1. Slope
Slope = 3

2. Y-Intercept
Y = mx + b
2 = (3)(-1) + b
2 = -3 + b
2 + 3 = -3 + 3 + b ***-3 on the right side cancels out.
5 = B

So, in conclusion, the equation for this line is: Y = 3x + 5.

Firdavs [7]3 years ago

4 0

Y=3x+b
HOPE THIS HELPED

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Round to the nearest ten thousand. 532,413

8_murik_8 [283]

Answer: 530,000

Step-by-step explanation: Think: 2 is less than 5, so you would round down, therefore, the answer is 530,000

5 0

3 years ago

Read 2 more answers

11.3x + 7.2 = 86.3 A) 0.7 B) 7 C) 8 D 8.3

Gnom [1K]

11.3x + 7.2 = 86.3

11.3x + 7.2 (-7.2) = 86.3 (-7.2)

11.3x = 79.1

11.3x/11.3 = 79.1/11.3

x = 7

7 is your answer

hope this helps

8 0

4 years ago

Tabitha decided to start saving pennies for a stretch of two months and initially started with 2 pennies. A table showing the nu

svetoff [14.1K]

Answer:

after week 7: 4374 pennies
486 pennies: after week 5

Step-by-step explanation:

The sequence values have a first term of 6 and a common ratio of 3, so can be described by the formula ...

an = 6·3^(n-1)

This can be rearranged to ...

an = 2·3^n

When n=7, the value is ...

a7 = 2·3^7 = 4374 . . . . pennies saved after 7 weeks

To find when there are 486 pennies saved, we can solve the equation ...

486 = 2·3^n

243 = 3^n

log(243) = n·log(3) . . . . . . . take the logarithm

log(243)/log(3) = n = 5 . . . . divide by the coefficient of n

Tabitha will have saved 486 pennies after 5 weeks.

7 0

3 years ago

Please help me no links!!

lana [24]

Answer:

Slope = 1

Y-intercept = 4

equation = 1x + 4

Hope this helps!

5 0

3 years ago

The triangles shown bellow must be congruent? True or False?

GrogVix [38]

True I did this helps please mark me as a brainlest

5 0

2 years ago