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den301095 [7]
3 years ago
5

If x2 - 6x - 16, what are the x-intercepts?​

Mathematics
2 answers:
romanna [79]3 years ago
8 0
If that’s meant to be x^2 - 6x - 16
Then factorise to (x+2)(x-8)
So x intercepts are -2 and 8
Nana76 [90]3 years ago
6 0

Answer:

(-2, 0) and (8, 0)

Step-by-step explanation:

x2 - 6x - 16 = 0

(x - 8)(x + 2) = 0

x = -2, 8.

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Graph the solution for the following linear inequality system. Click on the graph until the final result is displayed.
aev [14]
Graphing the inequalities
y ≥ 0 are the points above the x-axis including the points along the x-axis
y < x are the points below the line y = x
x + y < 6 are the points below the line x + y = 6

The solution to this is the region bounded by the lines connecting the points
(0, 0)
(0, 6)
(3, 3)
6 0
3 years ago
during a sale at the local department store, you buy three sweatshirts and two pairs of sweatpants for $85.50. later you return
Alexxandr [17]
3s + 2p = 85.50....multiply by -1
3s + 4p = 123
--------------------
-3s - 2p = -85.50 (result of multiplying by -1)
3s + 4p = 123
--------------------add
2p = 37.50
p = 37.50/2
p = 18.75 <=== cost of the pants

3s + 4p = 123
3s + 4(18.75) = 123
3s + 75 = 123
3s = 123 - 75
3s = 48
s = 48/3
s = 16 <=== cost of each shirt
6 0
3 years ago
Can someone help me with this question? Will give brainliest.
just olya [345]

Answer:

5.2561

step by step explanation:

using BODMAS, multiplication comes before addition.

Therefore,

\sqrt{1.13 + (2.84 \times 9.33)}

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\sqrt{27.6272}

Therefore the answer is

5.2561

7 0
3 years ago
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Answer:

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Step-by-step explanation:

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4 0
2 years ago
Read 2 more answers
Which expression is equivalent to 13b+23b−56(b+1)?
ale4655 [162]
Start by combining LIKE-TERMS. 13b AND 23 are LIKE-TERMS because they have the same variable (B) and numbers. Remember PEMDAS OR Please Excuse My Dear Aunt Sally. (Parentheses, Exponents, Multiplication, Division, Addition, Subtraction). There is also FOIL (First, Inside, Outside, Last). Because we will start with Parenthesis(Use the FOIL method because the 56 is part of the parentheses) first, (-56 x b[first part of the set]) = -56b  THEN (-56 x [+ {always carry the sign, this shows that it is positive}]1) = -56

Now we have 13b+23b -56b-56
                     =36b        -56b -56
                     = -20b    - 56
       This is your final equation because THESE ARE NOT LIKE-TERMS, therefore, they CANNOT be combined
7 0
3 years ago
Read 2 more answers
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