2 years ago

A point Q with coordinates (-8, -6) is reflected across the y-axis. What are its new coordinate?

Mathematics

1 answer:

Juli2301 [7.4K]2 years ago

4 0

Answer:

(8,-6)

Step-by-step explanation:

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You may remember that the perimeter of a rectangle is P=2(W+L) where W is the width and L is the length. Suppose that the perime

Anna71 [15]

Answer:

5 feet

Step-by-step explanation:

P = 2(w + l)

P = 34

l = w + 7

34 = 2 (w + w + 7)

34 = 2w + 2w + 14

34 - 14 = 4w

20 = 4w

w = 5 feet

Since l = w + 7

l = 5 + 7

l = 12 feet

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2 years ago

3h-2(4h-5)=10-5h please find the answer I’m having truble with it and SHOW YOUR WORK please

ira [324]

3h - 8h + 10 = 10 - 5h

-5h + 10 = 10 - 5h

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2 years ago

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3 On a coordinate grid, the location of a lighthouse is at L, and the location of a buoy is at B. At noon, a ship is at the midp

Zarrin [17]

Answer:

$(\frac{1}{2}, 2)$

Step-by-step explanation:

Using the midpoint formula, $M(\frac{x_1 + x_2}{2}, \frac{y_1 + y_2}{2})$ , we can find the coordinates that represents the position of the ship at noon.

Let $L(-4, 7) = (x_1, y_1)$ (given on the coordinate plane)

$B(5, -3) = (x_2, y_2)$ (given also)

Plug in the values into the formula and solve as follows:

$M(\frac{-4 + 5}{2}, \frac{7 +(-3)}{2})$

$M(\frac{1}{2}, \frac{7 - 3}{2})$

$M(\frac{1}{2}, \frac{4}{2})$

$M(\frac{1}{2}, 2)$

Position of the ship at noon is best represented at $(\frac{1}{2}, 2)$

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3 years ago

In a circle with radius 9, an angle measuring pi over 3 radians intercepts an arc. Find the length of the arc in simplest form

BlackZzzverrR [31]

Answer:

Step-by-step explanation:

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3 years ago

Solve Quantity 4x plus 15 end quantity over 5x is equal to one-half. Show all work.

almond37 [142]

((4x+15)/(5x)) = 1/2
4x+15 = (5x)/2
8x+30=5x
3x+30=0
3x=-30
x=-10

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2 years ago