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artcher [175]
3 years ago
5

SOMEONE PLEASE HELP! I'LL THANK YOU AND RATE 5 STARS AND MARK BRAINLIEST IF I CAN!!

Mathematics
1 answer:
viktelen [127]3 years ago
8 0
Slope of AB=(2-3)/(1+1)=-1/2; AC=(-1-3)/(-3+1)=-4/-2=2; BC=(-1-2)/(-3-1)=-3/-4=3/4.
The product of two sides that are perpendicular is -1. Slopes of AB and AC are perpendicular so angle A is a right angle. ABC is a right-angled triangle.
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Yesterday, a shipping company delivered a combined total of 50,995 letters and packages. If
In-s [12.5K]

Answer:

letters = 46536

Step-by-step explanation:

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letters + 4459 = 50995

letters = 50995 - 4459

letters = 46536

8 0
3 years ago
How do i solve 3y = 15x -2
Simora [160]

Answer:

2

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
Urgenttttt please I need it fast​
dolphi86 [110]

Answer:

Below in bold.

Step-by-step explanation:

c) 3 x (9^2)^3/4 x ((81^3)^5/6

= 3 x 81^3/4 x 81^15/6

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= 3 x 81^13/4

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= 4,782,969.

f) (5x^-1y^2)^-2 / (25 x^2 y - 1)^2

=  5^-2 x^2y^-4 / 625 x^4y^-2

=  5^-2 x^-2 y^-2 / 5^4

= 5^-6 x^-2y^-2

= 0.000064x^-2y^-2.

5 0
3 years ago
Help me pls thank you
Marianna [84]

Answer:

More than half the students scored 81 or better on the test

There were 12 students who scored 80 on the test

The same number of students scored between 81 and 90 on the test as scored between 61 and 80.

Step-by-step explanation: Please think this through, I don't know if I'm correct. It is either all or one of these

7 0
2 years ago
Which expression is equivalent to am ÷ an?
tatiyna

Answer:

\frac{m}{n}

Step-by-step explanation:

Setting it up as a fraction will help us see the simplification process a bit easier.

\frac{am}{an}

a/a = 1, so they cancel each other out, leaving us with simply

\frac{m}{n}

7 0
3 years ago
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