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ipn [44]
3 years ago
15

Explain in words,how to find the product of -4(-1.5) using a number line. Where do you end up?

Mathematics
1 answer:
Gemiola [76]3 years ago
6 0

Answer:

so u multiply negative four times nagative 1.5

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Someone help pls :((((
jasenka [17]

9514 1404 393

Answer:

  y +1 = -3(x -3)

Step-by-step explanation:

The given point is (3, -1), and the given slope is -3. The form suggests you want the point-slope form of the equation for the line:

  y -k = m(x -h) . . . . . . . . line with slope m through point (h, k)

Using the given values, the equation is ...

  y -(-1) = -3(x -3)

  y +1 = -3(x -3)

7 0
3 years ago
Find the absolute minimum and absolute maximum values of f on the given interval. f(x) = ln(x2 + 3x + 4), [−2, 2]
vivado [14]
The vertex (minimum) of the quadratic ax² +bx +c is located at x=-b/(2a). This means the minimum value of f(x) will be found at x = -3/(2*1) = -1.5.

Since the vertex of the quadratic is less than 0, the maximum value of the quadratic will be found at x=2, the end of the interval farthest from the vertex.

On the given interval, ...
  the absolute minimum value of f is f(-1.5) = ln(1.75) ≈ 0.559616
  the absolute maximum value of f is f(2) = ln(14) ≈ 2.639057

4 0
3 years ago
Find the surface area of the closed hemisphere
V125BC [204]
Diameter = 8 yards so the Radius = 4 yards:

 Area of a sphere = 4π.R² and hemisphere = 2π.R²

Area of hemisphere = 2.π.(4)² = 32.π
But note we didn't calculate yet the are that closes this hemisphere:
Area of the cicle = π.R² = π.(4)² = 16.π, so the surface area of the hemisphere is 32π + 16π = 48.π (Or =150.8 yard²)
8 0
3 years ago
Read 2 more answers
Is a triangle with the side lengths 15, 36, and 39 a right triangle?
Alex73 [517]

Answer:

yes

Step-by-step explanation:

8 0
3 years ago
Margie calculated that she would spend $175 on school supplies this year. She actually spent $97.50 on school supplies. What is
Anna007 [38]
Error=100 calculated/actual

error=100 (175-97.5) / 97.5

error=100 (77.5) / 97.5

error=7750 / 97.5

error=77500 / 975

error=3100 / 39

error=79.5% <-- Estimated
8 0
3 years ago
Read 2 more answers
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