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Margaret [11]
2 years ago
9

The side lengths of a triangle are 6,8, and 10. is this a right triangle. will give brainliest.​

Mathematics
2 answers:
Jet001 [13]2 years ago
7 0

Answer:

D

Step-by-step explanation:

Pyth Theorem = a² + b² = c²

= 8² + 6² = 10²

= 64 + 36 = 100

= 100 = 100

Thus, this is a right triangle.

nirvana33 [79]2 years ago
5 0

Answer:

D.

Step-by-step explanation:

D. Yes, because 6^2+8^2=10^2

Pythagorean theorem

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During one term Rachel took 2 mathematics test her mean score was 75 she scored 12 points more on the first test then the second
MaRussiya [10]

Answer: she scored 69 points on the second test.

Step-by-step explanation:

Let x represent the number of points that she scored in the first test.

Let y represent the number of points that she scored in the second test.

If her mean score was 75, it means that

(x + y)/2 = 75

x + y = 75 × 2

x + y = 150- - - - - - - - - 1

If she scored 12 points more on the first test than the second test, it means that

x = y + 12

Substituting x = y + 12 into equation 1, it becomes

y + 12 + y = 150

2y + 12 = 150

2y = 150 - 12

2y = 138

y = 138/2

y = 69

3 0
3 years ago
If someone could help me out with this, I would greatly appreciate it!!
kati45 [8]

We are given that revenue of Tacos is given by the mathematical expression -7x^{2}+32x+240.

(A) The constant term in this revenue function is 240 and it represents the revenue when price per Taco is $4. That is, 240 dollars is the revenue without making any incremental increase in the price.

(B) Let us factor the given revenue expression.

-7x^{2}+32x+240=-7x^{2}+60x-28x+240\\-7x^{2}+32x+240=x(-7x+60)+4(-7x+60)\\-7x^{2}+32x+240=(-7x+60)(x+4)\\

Therefore, correct option for part (B) is the third option.

(C) The factor (-7x+60) represents the number of Tacos sold per day after increasing the price x times. Factor (4+x) represents the new price after making x increments of 1 dollar.

(D) Writing the polynomial in factored form gives us the expression for new price as well as the expression for number of Tacos sold per day after making x increments of 1 dollar to the price.

(E) The table is attached.

Since revenue is maximum when price is 6 dollars. Therefore, optimal price is 6 dollars.


7 0
3 years ago
What is the nth term rule of the quadratic sequence below?<br> -5, -3,3, 13, 27, 45, 67, ...
Svetllana [295]

Answer:

the pattern is +2, +6, +10, +14, +18 etc

so its in increment of 4

the rest is trivial

Step-by-step explanation:

4 0
3 years ago
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Which is greater <br> 7/12 <br> 10/12
shtirl [24]
10/12 is more than 7/12


3 0
3 years ago
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Lf the exchange rate of 1 dollar is Rs 72.45. how many dollars exchanged for Rs 1449 ?<br>​
devlian [24]

Answer:

20 dollars

Step-by-step explanation:

1449 Rs ÷ 72.45 Rs (the exchange rate) = 20 dollars.

5 0
2 years ago
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