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Delicious77 [7]
3 years ago
15

Ab+2c when a=3 and b=2 and c=-4

Mathematics
2 answers:
Crank3 years ago
8 0
Ab+2c
=(3)(2) + 2(-4)
=6-8
= -2
Kruka [31]3 years ago
5 0

Answer:

c,-14 im on it now that how i know

Step-by-step explanation:

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Using graph paper, determine the line described by the given point and slope. Click to show the correct graph below. (0, -2) and
BaLLatris [955]

Answer:

y = -(5/2)x -2

Explanation:

The general formula for a straight line is y – mx + b.

The image below shows the graph of the line.

Step 1. <em>Calculate the slope</em>.

Slope = m = Δy/Δx = (y₂-y₁)/(x₂-x₁)

x₁ = 0; y₁ = -2

x₂ = -2; y₂ = 3     Calculate m

m = [3-(-2)]/(-2-0)

m = (3+2)/(-2)

m = 5/(-2)

m = -5/2

Step 2. <em>Calculate the y-intercept </em>

When x = 0, y = 2.

The y-intercept (b) is at y = -2

Step 3. <em>Write the equation </em>for the graph

y = mx + b

y = -(5/2)x - 2

3 0
3 years ago
Read 2 more answers
9x^2+ 8x + 3 = 0 solve using quadratic formula
pav-90 [236]
18x + 8x = -3
26x = -3
x = -3/26
3 0
3 years ago
What is 5-6x=2+7x step by step?
HACTEHA [7]
The first thing you do is subtract 2 from both sides to move the 2 to the left side
3-6x=7x
now add 6x to both sides to move -6x to the right
3=13x
divide by 13 to eliminate the 13 on the right side
3/13
4 0
3 years ago
Read 2 more answers
I need help with this
Llana [10]

Answer:

? = 4 units

Step-by-step explanation:

'2'  is to  ' 7+2 '     as  ?   is to   '14 + ? '

2/ 9 = ? / (14 + ?)      cross mutiply

28 + 2? = 9?

28 = 7?

? = 4

4 0
2 years ago
A graph of a line has an x-intercept of 4
Reil [10]
The answer looks like it could be b
8 0
3 years ago
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