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tekilochka [14]
2 years ago
12

Which equation can be used to find the area of the blue triangle?

Mathematics
2 answers:
kvv77 [185]2 years ago
5 0
Answer: B) A=1/2(7)(12).

Explanation: The formula for area of a triangle is 1/2bh. Only B maintains this formula.
Naddik [55]2 years ago
3 0

Answer:

The answer is D. A=1/2(7 to the power of 2) 12 to the power of 2)

Step-by-step explanation:

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Write a linear function f with the values f(0)=−3 and f(7)=11.
kotegsom [21]

Answer:  f(x)= 2x -3

Step-by-step explanation:

Using the given information we can come up with two points that will be use to find the slope and y-intercept.  

If you input 0 you get -3  so the point will be (0,-3)

If you input 7  you get 11  so the point will be (7,11)

Now use the points to find the difference in their y coordinates and divide it by the difference in their x coordinates to find the slope.

y coordinates:  -3 - 11 = -14

x coordinates:  0 - 7 = -7

  -14/-7 = 2

Since the slope is two, we will use the slope intercept formula (y = mx +b) to find the b which is the y intercept.

Use one of the points and input its x and y coordinates into the formula including the slope to solve for b.

-3= 2(0) +b

-3 = 0 + b

b = -3  

f(x) is the same as y in the formula, meaning that the equation will be  

 f(x) = 2x -3

8 0
3 years ago
Charles is 45 years old, and makes $40,000 per year. If he were to die, how
AleksandrR [38]

Answer:

Oh, how morbid these interest problems are.

Are you asking how much they would recieve in a year?

If so:

40000/100=400

400*60=$24000 a year

4 0
3 years ago
Read 2 more answers
I will give you Brainiest if you are right.
lara [203]

Answer:

Its c i just did the math

Step-by-step explanation:

4 0
3 years ago
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The set below contains which types of numbers -1,5,1/2,15,3.75,36,square root 81, 100
madreJ [45]

Answer:

i need help

Step-by-step explanation:

4 0
2 years ago
THE property of two rational numbers is -28/81. If one of them is -2/3, then find the other.
KiRa [710]
The answer is:
(-28/81)/(-2/3) = -84/(-162) = 42/81

Work
Think of this simple question:
Two number when multiplied together give 15. If one number is 5, then the other is (15/5)=3.
4 0
3 years ago
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