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Luba_88 [7]
3 years ago
14

Which expressions simplify to a rational answer?

Mathematics
1 answer:
Nat2105 [25]3 years ago
8 0
<span>√11*√5 hop it helps u ok</span>
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Find the equation of the parabola with vertex (1,3) and focus (1/2,3).
daser333 [38]

Answer:

A (y-3)^2 = -2(x-1) is the correct choice :)


4 0
3 years ago
How to solve for y??????
tia_tia [17]
What he said above yeah y
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3 years ago
Confirm that f and g are inverses by showing that f(g(x)) = x and g(f(x)) = x.
vekshin1

Answer:

it's b idjsnjwjsnsn

Step-by-step explanation:

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3 0
3 years ago
Can anyone please help me with this?
AnnyKZ [126]

Answer:

m∠QPT = 110°

Step-by-step explanation:

1. We can use exterior angle theorem to find m∠QPT. Exterior Angle Theorem states that the exterior angle of a triangle is equal to the sum of the two remote angles in that same triangle.

  • This means that 6x + 20 = x + 40 + 4x - 5. Then, we can plug in the value of x into 6x + 20 and find the measure of ∠QPT.

2. (Solving)

Step 1: Combine like terms.

  • 6x + 20 = (x+4x)+(40-5)
  • 6x + 20 = 5x + 35

Step 2: Subtract 20 from both sides.

  • 6x + 20 - 20 = 5x + 35 - 20
  • 6x = 5x +15

Step 3: Subtract 5x from both sides.

  • 6x - 5x = 5x +15 - 5x
  • x = 15

Step 4: Check if solution is correct.

  • 6(15)+20=(15)+40+4(15)-5
  • 90 + 20 = 15 + 40 + 60 - 5
  • 110 = 55 + 60 - 5
  • 110 = 115 - 5
  • 110 = 110

3. Now, let's plug in 15 for 6x + 20:

  • 6(15)+20
  • 90+20
  • 110

Therefore, m∠QPT = 110°.

7 0
3 years ago
Read 2 more answers
The paired data below consist of the costs of advertising​ (in thousands of​ dollars) and the number of products sold​ (in thous
Nikitich [7]

Options :

(A.) y=558-273x (B.) y=264+142x (C.) y = 55.8 +2.79x (D.) y= -26.4-1.42x

Answer:

C.) ŷ = 2.79X + 55.8

Step-by-step explanation:

Given the data:

cost (x): 9 2 3 4 2 5 9 10

Number of products sold: 85 52 55 68 57 86 83 73

Using the online regression calculator to generate a linear regression plot of the given data: the model obtained is given below

ŷ = 2.79X + 55.8

With y being the predicted or dependent variable

Slope or gradient of the line = 2.79

X = the independent variable

55.8 = the intercept.

3 0
3 years ago
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