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butalik [34]
2 years ago
15

Ill give brainly pls help

Mathematics
2 answers:
STatiana [176]2 years ago
5 0

a) 4.4a + 2.2c

yarga [219]2 years ago
3 0

Answer:

The answer is A

Step-by-step explanation:

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A scatter plot with a trend line is shown below. Which equation best represents the given data?
Nataly_w [17]
Y=1/2x+5





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8 0
2 years ago
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What is the rate of the boat in still water and what is the rate of the current?
Alekssandra [29.7K]

Answer: 2mp

Step-by-step explanation: Let "b" represent the speed of the boat in still water

Let "c" represent the speed of the current

Let "t" represent time

Downstream(same direction) =(b+c)*t

Upstream(against current)=(b-c)*t

(b+c)*3=24

(b-c)*4=16

3b+3c=24....all sides can be divided by 3 =b+c=8

4b-4c=16.....all sides can be divided by 4 =b-c=4

Use Elimination method

b+c=8

b-c= 4 Subtracting

=====

2c=4

find c by dividing both sides by 2. c=2

if c=2, substitute to get b

b+2=8

 -2=-2

======

b=6

Speed of boat in still water =6mph

rate of current=2mp

4 0
2 years ago
Using the Addition Method, solve for x in the following system of linear equations.
Anna71 [15]

Answer:

x = 0

Step-by-step explanation:

if 2y + x = 4

we can assume that y = 2
if y - 3x = 2

it means 2 - 0 = 2

therefore x = 0

4 0
2 years ago
Please Help extra points
Molodets [167]
<h2>A. $123.51</h2><h2 />

1^{st}: $24.48 per year + price * 0.85

2^{nd}: $36.83 per year + price * 0.75

Substitute each value into both equations as price.

A:

129.4635

129.4625

B:

98.158

101.84

C:

145.2055

143.3625

D:

155.703

152.615

A is the lowest value where the second value is lower than the first.

3 0
3 years ago
Algebra nation geometry
Anastaziya [24]

Answer:

What?

Step-by-step explanation:

3 0
2 years ago
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