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Marina CMI [18]
3 years ago
9

you are riding your bike and notice the square sign above. You mentally draw a straight line from point A to C. Describe the ang

le relationship between DCA and BCA

Mathematics
1 answer:
inysia [295]3 years ago
7 0

Answer:

They are both equal obtuse angles


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One number is five less than a second number. Five times the first is 15 more than 6 times the second. Find the numbers
Shalnov [3]

Answer:

x = -45, y = -40

Step-by-step explanation:

Based on the first clue, we find out that

x + 5 = y

5x = 6y + 15

We can re-write the first equation to x = y - 5.

Therefore, the second equation can also be written as 5(y - 5) = 6y + 15

This can be simplified to 5y - 25 = 6y + 15

We can subtract 6y from each side, and add 25 to each side;

5y - 6y = 15 + 25

Therefore, -y = 40

Therefore y = -40.

Now let's plug this back into the original equation, to get : x  + 5 = -40

x=-45

4 0
2 years ago
Plz answer this!!! A triangle with sides 11 m , 13 m and 18 m is a right triangle. True or false
Nata [24]

Answer:

It depends on what sides equal which measurement. But it could be true.

6 0
3 years ago
Plz help me. first to answer get brainliest
laiz [17]

Answer:

A 28 because 7 times four

Step-by-step explanation:

4 0
3 years ago
Which Product will result in a cell or difference of cubes?<br> Pls do not give any joke answers
Rom4ik [11]

Answer:

(x-9)(x²+9x+81); it'll give a difference of cubes

Step-by-step explanation:

Generally, the difference of cubes formula is (a³-b³)=(a-b)(a²+ab+b²), and the third option is the only one which fits it; with "a"= x and "b"= 9.

*The sum of cubes formula is (a³+b³)=(a+b)(a²-ab+b²); for future reference.

5 0
2 years ago
Read 2 more answers
PLS HELP ASAP
Usimov [2.4K]
2) -6

8 is positive and 14 negative. You can either draw a number line and help yourself with that or since the negative one is bigger you can do the subtraction 14 - 8 and then change the sign of the answer.
5 0
3 years ago
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