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Drupady [299]
3 years ago
13

Show work please 18 - 20

Mathematics
1 answer:
r-ruslan [8.4K]3 years ago
3 0
18. 0.70
\: 19. \: \: \: 8.5 \sqrt{17 - 16} = 1
would get u .2 or 0.02 with a remainder of 1

20. 11.63

im not really sure if this is right but i tried !
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HELP! can someone help me with this math problem pls?
scoray [572]

The answer to this is 180.

5 0
4 years ago
What equation results from completing the squre and then factoring x^2+10=15
nlexa [21]

For this case we must complete squares:

x ^ 2 + 10x = 15

We add the square of half the coefficient of the term "x",

(\frac {b} {2a}) ^ 2 on both sides of the equation:

x^2+10x+(\frac {10} {2 (1)}) ^ 2 = 25 + 15\\x ^ 2 + 10x + 5 ^ 2 = 25 + 15

According to the perfect square trinomial we have:

(a + b) ^ 2 = a ^2 + 2ab + b ^ 2

Rewriting the expression we have:

a = x\\b = 5\\(x + 5) ^ 2 = 25 + 15\\(x + 5) ^ 2 = 40

ANswer:

(x + 5) ^ 2 = 40

6 0
3 years ago
Helppppp mereeeeeeeeeee
Vera_Pavlovna [14]

Answer:

A. (x-5)(x-7)

B. It means the zeroes of the graph are at (5,0) and (7,0)

Step-by-step explanation:

A

find what + what equals -12, and multiples to 35.

List all multiples of 35.

1 35

<em>5 7</em>

- 12 is negative so that means it is -5 and -7

(x-5)(x-7)

B

The factor numbers are where the zeroes on a graph are, <u>but</u> whatever is in parenthesis, the number is opposite on a graph (e.g. if it was (x-3), the zero would be (3,0)

4 0
4 years ago
Hi... I'm a dog <br><br> Factor 64b-16c to identify the equivalent expressions.<br> Choose 2 answers
AleksandrR [38]
8(8b-2c) and 2(32b-8c)
3 0
4 years ago
A property map is drawn at a scale of 1:1000. Calculate the corresponding actual distance if the distance between two points on
zvonat [6]

Answer:10 m

Step-by-step explanation:

Given

Scaling ratio 1:1000

i.e. one unit in map is equal to 1000 unit in actual distance

therefore if the distance between two points is 1 cm in map then

it is 1000 cm in reality    

8 0
3 years ago
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