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SVETLANKA909090 [29]
4 years ago
8

If you know abc=def can you state bc=ef​

Mathematics
1 answer:
tia_tia [17]4 years ago
7 0

Answer:

CPCTC

Step-by-step explanation:

If abc=def is given,

then using the cpctc rule. (corresponding parts of congruent triangles are congruent) should state this answer.

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Which equation is a linear function ​
guapka [62]

Answer:

It would be B. 5-3x

Step-by-step explanation:

This function had a constant rate of change and has a y int

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Sam is observing the velocity of a car at different times. After three hours, the velocity of the car is 51 km/h. After five hou
Alex777 [14]
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5 0
3 years ago
The polygon below has been divided into four shapes. Which measurements below represent the total area of the polygon?
aliya0001 [1]

Step-by-step explanation:

you have to put the picture of the polygon or we can't answer the question.

3 0
3 years ago
Read 2 more answers
Please solve these soon I have to turn thin in tomorrow !!!!!!!!
Gnoma [55]

Answer:

a) so if you're looking for a then you substitute the a in the problem so the real question would be answered by simply doing this. 3 times (do this first) 6 times 3. so it would end up looking like this if you did it in your head. 6x3=18 then 18x3= 54 so the answer for ten after you did all the math would equal out to be 54.

d) so you're going to substitue the d again, for what it tells you d equals. in this case, d= a negative 2 so, 5 x do this first -2 x 4 = so if you did this in your head you would end up with -2 x 4 = -8 because anything times a negative is turned into a negative. so that is why the answer is -8 for the first part. then you multiply that answer by 5 because we all like the 5 dollar foot longs. so carry that into an answer of - 40. because we all know we want to be younger once we reach 40.

r) 5times -3 equals -15 times 2 would be... ding ding ding 30 because a negative times a negative is a positive. think of negatives this way. when you frown it's your smile upside down. ok so a frown is a negative, if you multiply a negative to a negative it's like turning your frown upside down. so you end up with a positive! ok?! so there. the secrets of life and math.

call me for the rest of the answers... this is too much to write down.

Step-by-step explanation:


4 0
3 years ago
Medical researchers have determined that for exercise to be beneficial, a person’s desirable heart rate, R, in beats per minute,
MA_775_DIABLO [31]

Answer:

40 years old

Step-by-step explanation:

R, in beats per minute, can be approximated by the formulas , where a represents the person's age.

R= 143 - 0.65a for women

R= 165 - 0.75a for men,

7 0
3 years ago
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