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KiRa [710]
3 years ago
10

15 POINTS AND BRAINLIEST TO WHO ANSWER FIRST BUT HURRRRRYYYY!!!!!!!!!!!!

Mathematics
2 answers:
ANTONII [103]3 years ago
6 0

The last one

The first one

The second one I was right but my reasoning was wrong I didn’t read it correctly. The last one is where you add the two that are less than the greatest number and if the sum is bigger than the greatest number, it forms a triangle. That says SIDES I thought all of them said sides but the first and second ones are angles. If you add all the angles and they all add up to 180 degrees, then it forms a triangle. Sorry for the wrong reasoning.

Strike441 [17]3 years ago
4 0
The answer is D. This is because a triangle must be 180 degrees, and both A and B are equal to 180. For the sides, you simply follow a squared plus b squared equals c squared. D doesnt fit that equation, so the answer is D.
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The cost for 7 dance lessons is 82$. The cost for 11 lessons is 122$. Write and solve an equation to find the cost of 4 lessons
Juliette [100K]

Answer:

$52

Step-by-step explanation:

Using the equation

y=mx+c

82=7x+c

122=11x+c

11x-7x=122-82

4x=40

x=10

To get c

82=7(10)+c

82-70=c

c=12

For 4 lessons

y=10(4)+12=52

6 0
3 years ago
Please help in this question. I WILL mark brainliest. NO LINKS
deff fn [24]

Answer:

B, you are correct

Area of the bigger trapezoid = (6 + 2) x 1/2 x 6 = 8 x 1/2 x 6 = 4 x 6 = 24

Area of the smaller trapezoid = (4 + 2) x 1/2 x 3 = 6 x 1/2 x 3 = 3 x 3 = 9

<h2>Area of the shaded area = 24 - 9 = 15</h2>

<em>Hope that helps! :)</em>

<em>Hope that helps! :)</em>

<em></em>

<em>-Aphrodite</em>

Step-by-step explanation:

6 0
3 years ago
Which statement describes a unit rate?
Artyom0805 [142]

Answer:

C

Step-by-step explanation:

Because it is saying he drove 45 miles per hour.

3 0
2 years ago
Read 2 more answers
Create a function that has a derivative of f(x) = 2x + 1 at a given input value of your choice.
Taya2010 [7]
The opposite operation to taking a derivative is an integral. Integrate to find original function.

f(x) = x^2 + x + C

C is constant because we didn't have bounds on the integral. it lets you choose the input value let's say is just (1,0)

0 = 1 + 1 + C
- 2 = C

function at input value (1,0)
f(x) = x^2 + x - 2

now if you check by taking derivative is :
f' = 2x + 1
6 0
2 years ago
Examine whether each of the following pair of lines AB and CD are parallel or not​
MatroZZZ [7]

Answer:

Yes

Step-by-step explanation:

For lines to be parallel alternate interior angles should be equal

Angle GHD=180-angle FHD

=180-115 = 65°

Therefore angle AGH = angle GHD

So lines are parallel

3 0
2 years ago
Read 2 more answers
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