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Stolb23 [73]
2 years ago
6

Any equation of the form with is called​ a(n) _______ equation.

Mathematics
1 answer:
boyakko [2]2 years ago
4 0

Answer:

its quadratic equation

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A cheetah can run at its top speed for about 25 seconds. Complete the table to represent a cheetah running at a constant speed.
AleksandrR [38]
X = 650 + 60t

The cheetah must arrive at the same place at the same time:

x = 90t

650 + 60t = 90t

30t = 650

t = 650/30 ≅ 21.7 s

It takes the cheetah a little more than 20 s running at 90 ft/s to reach the moving antelope, so assuming the antelope can maintain its speed of 60, it is safe.
5 0
3 years ago
9. If f(x)=-2x^2+4x-6, <br> then f(2)=
Romashka-Z-Leto [24]

Answer:

f(2) = -6

General Formulas and Concepts:

Order of Operations: BPEMDAS

Substitution and Evaluation

Step-by-step explanation:

<u>Step 1: Define</u>

f(x) = -2x² + 4x - 6

f(2) is x = 2

<u>Step 2: Solve</u>

  1. Substitute:                          f(2) = -2(2)² + 4(2) - 6
  2. Exponents:                         f(2) = -2(4) + 4(2) - 6
  3. Multiply:                              f(2) = -8 + 8 - 6
  4. Add:                                    f(2) = -6
3 0
3 years ago
Please help me with these 2 question.
maks197457 [2]

Answer:

Step-by-step explanation:

- sqrt(39) and square root 47

are the limits. The - square root of 39 is smaller than - 6. So the integer to use here is - 6

sqrt (47) = 6.686. Here the square root is larger than the closest integer.

The integer to use is 6

- 6 + 6 = 0

4 0
2 years ago
In the Triangle below, find X <br> A. 10.3<br> B. 9.6<br> C. 84<br> D. 9
viva [34]
Isosceles triangle
9x + 3 = 84
9x = 81
  x = 9

answer
<span>D. 9</span>
4 0
3 years ago
The following table shows the total number of quizzes taken in high school. How many quizzes are taken per week?
igomit [66]

Answer:

4

Step-by-step explanation:

y÷x

12÷3=4 and 20÷5=4

3 0
3 years ago
Read 2 more answers
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