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dedylja [7]
3 years ago
7

SOMEONE PLEASE HELP ME WITH THIS ALL YOU HAVE TO DO IS ANSWER THE QUESTION PLEASE

Mathematics
1 answer:
ratelena [41]3 years ago
5 0
When I clicked the image it said not found...
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Please help i would greatly appreciate it :D
kumpel [21]
8.
40+105+x=180\\
x=35

9.
The sum of two sides must be greater than the third side.
It can't be 5 because 5+5=10\not>12.
It can't be 7 because 5+7=12\not>12.
It can't be 17 because 5+12=17\not>17.
So it's 12.

10.
a. Turk, McAllister
b. Market, Mission, Howard
c. not sure about this one

8 0
3 years ago
A line passes through the points (9, 30) and (18, 30). Which statement is true about the line?
Arisa [49]
(9,30)(18,30)....when u have 2 sets of points and there y value is the same, then u have a horizontal line with a slope of 0

answer : A...it has a slope of 0 because the change in the y values
7 0
3 years ago
Read 2 more answers
Factor completely x2 + 20x − 36.
vodomira [7]

Answer:

Prime

Step-by-step explanation:

x² + 20x − 36

You must find a pair of numbers that multiply to give -36 and add to give +20.

The likely candidates are 2 and 18, and they must have opposite signs to give a negative product.

+2 × (-18) = -36; +2 + (-18) =   -16

-2 ×   18  = -36;  -2 +     8   = +16

Neither combination gives +20 as the sum.

The expression can't be factored with rational numbers.

The expression is prime.

5 0
3 years ago
Hey everyone hru and i hope u all are doing good
Elan Coil [88]

Answer:

Pacific question or no because if not we can't answer it but I'm doing good

6 0
3 years ago
Read 2 more answers
Solve using completing the square x^2 – 8x + 16 = 25
lisov135 [29]

First we need to factor the left side. Since it is a perfect square (as is the process with completing the square, we know we can take half of the middle number along with x to be in the two parenthesis.

(x - 4)(x - 4) = 25

Now we simplify to show it as a square.

(x - 4)^2 = 25

Next we take the square root of both sides

x - 4 = +/- 5

Note that we have plus or minus 5. This is because either square would give us positive 25. Now we add 4 to both sides

x = 4 +/- 5

4 + 5 = 9

4 - 5 = -1

5 0
3 years ago
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