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lord [1]
3 years ago
10

PLS HELP The diagram was constructed with straightedge and compass tools. Points A, B, C,

Mathematics
1 answer:
Tasya [4]3 years ago
6 0

Answer:

lines CD, AE, and BD are half the length of CD

Step-by-step explanation:

All circles will have the same radius "r"

then CD = 4r

½CD = 2r

CB = AE = BD = 2r

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A study was conducted on the relationship between speeds of cars and gas mileage. The correlation coefficient was 0.45. Later, t
True [87]

Answer:

0.45

Step-by-step explanation:

The correlation coefficient is used to measure the relationship between how two variables change. In this question, the two variables are cars speed and gas mileage. Since the speedometers were wrong as they were 5 mph too high in a constant manner, then the correlation between how changes in speed affect gas mileage will not be changed.

For example, if we are measuring how an increase of 15 mph decreased gas mileage, we are looking at the change in speed and it is the same if we start with 75 mph and then increase speed to 90 mph, or if we start with 45 mph and then increase to 60 mph. The change in speed for both cases will remain unchanged at 10 mph.

Now, since we have seen that the change in speed remains unchanged and since correlation coefficient is a measure of the relationship between how two variables change, then the new value of the correlation coefficient will remain the same as 0.45.

8 0
3 years ago
852÷6how to explain your answer
docker41 [41]
142 is the answer
852 \div 6 =
7 0
3 years ago
Read 2 more answers
Please help me i need an answer
Naddik [55]
First ordered pair: (3,-7)
y=2/3x-5
-7=2/3-5
false

Ordered pair #2: (7.5,0)
y=2/3x-5
0=5-5
true

Ordered pair #3: (0,5)
y=2/3x-5
5=0-5
false

Ordered pair #4: (6,1)
y=2/3x-5
1=4-5
false

the answer to this question is the second option





4 0
2 years ago
Read 2 more answers
PLEASE ANSWER I NEED THIS ASAP
Rudik [331]
It would also be 42 because the triangle is divided in half.
5 0
3 years ago
Read 2 more answers
Given f(X) =-X+ 6 write an equation for f(x + 3).
luda_lava [24]

Answer:

3 - x

Step-by-step explanation:

f(x) = -x + 6

f(x + 3)

Substitute (x + 3) in for x;

f(x + 3) = -(x + 3) + 6

= - x - 3 + 6

= -x + 3

3 0
2 years ago
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