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Yuri [45]
3 years ago
14

X^2 + 18x + c= 25 + c

Mathematics
1 answer:
ryzh [129]3 years ago
8 0

Answer:

2 real solutions

Step-by-step explanation:

x^2+18x+c-25-c=0

x^2+18x-25

D=18^2 - 4 x 1 x (-25)

D=424

D> 0 --> 2 real solutions

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Carlita saw 5 times as many robins as cardinals while bird watching. She saw a total of 48 birds.
zhannawk [14.2K]

Answer:

42 more

Step-by-step explanation:

Let carlita saw x and cardinals saw y robins.

According to question,

x=5y....(1)

and

x+y=48...(2)

Put the value of x from equation (1) in equation (2)

So,

5y+y=48

6y=48

y=8

Put y = 8 in equation (1).

x=5(8) = 40

Hence, Carlita see 42 more robins than Cardinals.

4 0
3 years ago
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MissTica

Answer:

Table C

Step-by-step explanation:

Hope this helps :3

6 0
3 years ago
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Answer:

answer attached

Step-by-step explanation:

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6 0
3 years ago
The sum of two numbers is 22 their difference is 4
ipn [44]

Answer:

x=13

Step-by-step explanation:

ok so let x+y=22

--------------------------------------------------------

x and y are the 2 unkown Number

-------------------------------------------

x-y=4

their difference is 4

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add both equations

(x+y=22)

+(x-y=4)

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y's cancel out

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2x=26

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3 0
3 years ago
Read 2 more answers
I NEED HELP can. someone help me please
Andrej [43]

Answer:

A & E

10-11= - 1

4y-5y= - y

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-3 x 7 = - 21

20-21= - 1

8y - 9y = - y

7 0
3 years ago
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