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balu736 [363]
3 years ago
7

If f(x) = 2x2 – x,what is f(-6)?

Mathematics
1 answer:
lisov135 [29]3 years ago
7 0

Answer:

your answer would be -58

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What is 4.373 ×10^10 in standard notation
Lera25 [3.4K]
Your answer is:
43,730,000,000
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3 0
3 years ago
Can someone help me?
Phoenix [80]

Answer:

m∠R = 112°

m∠S = 112°

m∠T = 68°

Step-by-step explanation:

Quadrilateral QRST is a cyclic quadrilateral.

A <u>cyclic quadrilateral</u> is a quadrilateral drawn inside a circle where every vertex touches the circumference of the circle.  

The <u>opposite angles</u> in a cyclic quadrilateral sum to 180°.

⇒ m∠Q + m∠S = 180°

⇒ m∠R + m∠T = 180°

Given:

  • m∠Q = 68°
  • m∠R = (3x + 40)°
  • m∠T = (5x - 52)°

<u>Measure of angle Q</u>

⇒ m∠Q + m∠S = 180°

⇒ 68° + m∠S = 180°

⇒ m∠S = 180° - 68°

⇒ m∠S = 112°

<u>Measure of angles R and T</u>

⇒ m∠R + m∠T = 180°

⇒ (3x + 40)° + (5x - 52)° = 180°

⇒ )8x -12)° = 180°

⇒ 8x° = 192°

⇒ x = 24

Substituting the found value of x into the expressions for angles R and T:

⇒ m∠R = (3(24) + 40)°

⇒ m∠R = 112°

⇒ m∠T = (5x - 52)°

⇒ m∠T = 68°

7 0
2 years ago
In a pet store the number of birds is 10 less than twice the number of rabbits. if the pet store has 56 birds, how many rabbits
mr Goodwill [35]
B = 2r - 10
b = 56

56 = 2r - 10
56 + 10 = 2r
66 = 2r
66/2 = r
33 = r  <=== there are 33 rabbits
8 0
3 years ago
Read 2 more answers
Can anyone answer this question about angles!
TiliK225 [7]

Isosceles triangle, angle P = angle Q.

3x + 10 = x + 52

2x = 42

x = 21

Congruent angles are both x+52=73 degrees.  Triangle angles add to 180 so

y = 180 - 73 - 73 = 34 degrees

Answer: 34

7 0
3 years ago
Which linear inequality is represented by the graph?
Serga [27]

Answer:

A. y ≤ 1/2x + 2

Step-by-step explanation:

Well look at the graph,

It is a solid line with it shaded down,

meaning it is y ≤,

So we can cross out B. and D.

So the y intercept is 2, we know this because the y intercept is the point on the line that touches the y axis.

now the slope can be found by seeing how far away each points are from each other,

Hence, the answer is A. y ≤ 1/2x + 2

7 0
3 years ago
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