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g100num [7]
3 years ago
13

Help me with 4 5 6 7 8 9 plzz

Mathematics
1 answer:
djyliett [7]3 years ago
3 0
Can you post a clearer picture pplease
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Lines Line A E and Line G H are parallel in the image below. The image will be used to prove that the sum of the measures of the
mr Goodwill [35]

Answer:

Angles F and C are congruent

Step-by-step explanation:

In the figure attached, the missing image is shown.

From the figure, it can be seen that Angles F and C are opposite angles. Opposite angles are non-adjacent angles formed by two intersecting lines. Opposite angles are congruent .

3 0
3 years ago
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What is <br> 5(2x+1)=4-2(4x-5)
Butoxors [25]

Answer:

x=0.5

Step-by-step explanation:

4 0
3 years ago
An Iphone 6S costs $449. There is a discount of 15%. What is the new cost?
AnnyKZ [126]

Answer:

$381.65

Step-by-step explanation:

Multiply $449 by 0.15, then subtract your answer from the original number.

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Find an equation of a line through (2, 1) and perpendicular to −2x + 4y = 8
MAVERICK [17]

Hello:<span>
the equation is : y = ax+b
the slope is a : a×(1/2) = -1......( perpendicular to a line with a slope of   1/2)            because :    -2x+4y =8...y=(1/2)x+2    )     </span>

<span>
a = -2       y=(-2x+b
the line that passes through (2,1) :1 = -2(2)+b
b =5
<span> the equation is :  y  = -2x+5</span></span>

4 0
3 years ago
A boat has a speed of 15 mph in still water. It travels downstream from Greentown to Glenavon in g hours. It then goes back upst
Lerok [7]

Step-by-step explanation:

We want to find two things-- the speed of the boat in still water and the speed of the current.  Each of these things will be represented by a different variable:

B = speed of the boat in still water  

C = speed of the current

Since we have two variables, we will need to find a system of two equations to solve.

How do we find the two equations we need?  

Rate problems are based on the relationship Distance = (Rate)(Time).


Fill in the chart with your data (chart attached)

The resulting speed of the boat (traveling upstream) is B-C miles per hour.  On the other hand, if the boat is traveling downstream, the current will be pushing the boat faster, and the boat's speed will increase by C miles per hour.  The resulting speed of the boat (traveling downstream) is B+C miles per hour.  Put this info in the second column in the chart.  Now plug it into a formula! <u>Distance=(Rate)(Time) </u>Now solve using the systems of equations!

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