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suter [353]
3 years ago
7

PLEASE HELP ILL REWARD A LOT

Mathematics
2 answers:
marin [14]3 years ago
7 0
23.10oz i dont have explanation but its can speaks for it selfs
aev [14]3 years ago
5 0

Answer:

-1 and 10

Step-by-step explanation:

x2-9x-10

=x2-10x+x-10=0

=x(x-10)+1(x-10)

=(x+1)(x-10)

=x=-1,10

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ILL GIVE BRAINLIEST PLZZ I NEED THIS
wel

Answer:

Q1

by \ pythagoras \ theorem : \\(3x +1 )^2 = (3x - 1)^2 +x^2\\\\9x^2 + 6x +1 = 9x^2 + 1 -6x +x^2\\\\9x^2 + 6x +1 = 10x^2 + 1 -6x \\\\ 10x^2 + 1 -6x - 9x^2 -6x -1 = 0 \\\\x^2 -12x = 0\\x(x - 12) = 0\\x = 0, 12\\since \ length \ cannot \be \ 0, x = 12\\OJ = 3x + 1 = 3(12) +1 = 37

Q2

by \  pythagoras  \ thm, \\(7x -12) ^2 = (5x +10)^2 +(2x)^2\\\\49x^ 2 +144 - 168x = 25x^2 +100+ 100x +2x^2\\\\49x^ 2 +144 - 168x - 25x^2 -100- 100x -2x^2 = 0\\\\22x^2 -268x -44 = 0\\11x^2 - 134x - 22 = 0\\x=12.0154

3 0
3 years ago
Which of the following lists of ordered pairs is a function?
joja [24]

Answer:

B.

Step-by-step explanation:

This list of ordered pair is a function because to be a function, you can not have a repeating x-value. In the other options, they consist of a repeating x-value.

A. Repeating 3

C. Repeating -1

D. Repeating 2

Hence,

the correct option is B.

Hope this helps!!! PLZ MARK BRAINLIEST!!!

7 0
3 years ago
Read 2 more answers
Answer this please! Thanks
Alex17521 [72]

Answer:

no solution

Step-by-step explanation:

The solution to a system of equations is at the point of intersection of the 2 lines.

The lines are parallel and never intersect.

Tgus the system has no solution

3 0
2 years ago
a sandwich shop has a "build your own" sandwich on its menu. for this option, a roll costs $0.75 and turkey costs $1.75 a pound.
Zolol [24]

For this case, the first thing we must do is define a variable.

We have then:

x: number of pounds of turkey

We write now the inequality that models the problem.

We know that:

1) a roll costs $ 0.75 and turkey costs $ 1.75 a pound

2) The sandwich costs up to $ 6.00

Therefore, the inequality is given by:

1.75x + 0.75 \leq 6

Clearing the value of x we have:

1.75x \leq 6-0.75

1.75x \leq 5.25

x \leq \frac{5.25}{1.75}

x \leq 3

Answer:

An inequality that shows how much turkey can be ordered on a roll for a sandwich to cost up to $ 6.00 is:

x \leq 3

6 0
3 years ago
What is the surface area of this shape?<br> 1 cm<br> 5 cm<br> 4 cm<br> 2 cm<br> 6 cm<br> 3 cm
scoray [572]

Answer: 24

Step-by-step explanation: I think it is 24

3 0
3 years ago
Read 2 more answers
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