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4vir4ik [10]
3 years ago
14

Question 12 230- 90° a) 50 b) 20 c) 25 d) 45

Mathematics
2 answers:
Andru [333]3 years ago
5 0

Answer:

45 because it can't be great then 50 or less then 25 and 20

PolarNik [594]3 years ago
3 0

Answer:

d or c id try d first

Step-by-step explanation:

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An obtuse triangle with area 12 has two sides of lengths 4 and 10. Find the length of the third side. (There are two answers.) (
mart [117]
This question can be solved using the Herons equation where 
A = SQRT [s*(s-a)*(s-b)*(s-c)]

A = area of the triangle
a, b and c are the sides of the triangle

s = (a+b+c)/2

Since we are given the area, we can express "s" as a function of the third side c. This can be substituted in the original equation so as to obtain an expression to solve for the third side c

s = (4+10+c)/2 = (14+c)/2

using the solver function of the calculator or MS Excel, the third side is 7.21 units
3 0
3 years ago
In triangle abc, AC=15 BC=11 and m
Oksana_A [137]

Answer: 10

Step-by-step explanation:

In a right angle triangle

Hypothenus ^2= opposite ^2+ adjacent ^2

According to a diagram below

Hypothenus =15

Opposite =?

Adjacent =11

Substitute for the values

15^2=11^2+opp^2

Opp^2=15^2-11^2

0pp^2= 225-121

Opp2=104

Opp= square root of 104

Opp= 10.2

Opp= ~10

3 0
4 years ago
×>10 is a solution to which inequality a}×-7>3 b}×-7>3 c}x-7<3 d}x-7<3
NeX [460]
A) x - 7 > 3    |add 7 to both sides
     x > 10

b) x - 7 > 3    |add 7 to both sides
     x > 10

7 0
3 years ago
Bernardo graphed the amount of money he earned each week mowing lawns. A line graph titled Lawn Mowing Money has weeks on the x-
Sati [7]

Answer:

My answer was deleted but it was between 4 and 6 weeks

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
-3x+3y=12
max2010maxim [7]

Answer:

C

Step-by-step explanation:

  1. Reform the first graph: -3x + 3y = 12; 3y = 12 + 3x; y = 4 + x; y = x + 4
  2. Compare y = x + 4 and y = x + 4: they are equal, thus the same slope (1) and the same y-intercept (4)

7 0
3 years ago
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