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saveliy_v [14]
3 years ago
10

Use the distributive property to find the product mentally. Show the steps you used.

Mathematics
1 answer:
Licemer1 [7]3 years ago
6 0
I believe this is what is wanted

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Solve for x using the quadratic formula. x^2+9x+20=0
il63 [147K]

Answer: x= -4,-5

Step-by-step explanation:

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3 years ago
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I need help SHOW YOUR WORK
earnstyle [38]

Answer:

F)\displaystyle \:  100\pi{ x}^{8} {y}^{2}  {z}^{ 6}

Step-by-step explanation:

we are given r and the formula

we want to find the surface area of the shpare with the given r

to do so

we need our algebra skills

substitute the value of r:

\displaystyle \: S = 4\pi( {5x}^{4} y {z}^{ 3} {)}^{2}

recall law of exponent

\displaystyle \:  ({x}^{m}  {)}^{n}  \iff \:  {x}^{mn}

to simplify:

\displaystyle \: S = 4\pi({ {5}^{2} x}^{4 \times 2} {y}^{1 \times 2}  {z}^{ 3 \times 2} )

simplify multiplication:

\displaystyle \: S = 4\pi({ 25x}^{8} {y}^{2}  {z}^{ 6} )

distribute:

\displaystyle \: S = 100\pi{ x}^{8} {y}^{2}  {z}^{ 6}

hence our answer is F

5 0
2 years ago
Solve for the value of z: 90/15=6/z help asap !!
Anuta_ua [19.1K]

Answer:

Step-by-step explanation:

90/15=6/z

6=6z

z=1

6 0
3 years ago
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I need help i don’t understand
ch4aika [34]

9514 1404 393

Answer:

  A) J(-3, 1), ...

Step-by-step explanation:

All of the answer choices list point J' first, so it is convenient to use that as an example.

Point J on the given graph has coordinates (x, y) = (3, 2). The x-coordinate is 3 because the point is 3 units to the right of the y-axis.

The problem statement tells you to translate this point 6 units to the left. When you move it 6 units left, it will move left 3 units to the y-axis, then left 3 more units to have an x-coordinate of 3 -6 = -3. That is, each unit of movement to the left subtracts 1 from the x-coordinate. The x-coordinate of J is 3, so the final point J' will have an x-coordinate of 3 - 6 = -3.

At this point, you have enough information to make the correct answer selection. Only one answer choice has the x-coordinate of J' as -3.

__

The other coordinates are translated using similar logic. The y-coordinate of J is 2. Translating it down 1 unit subtracts 1 from the y-coordinate to make it be 2 -1 = 1. Then the coordinates of J' are (-3, 1).

We write the translation rule as ...

  (x, y) ⇒ (x -6, y -1)

This means the coordinates of each translated point have 6 subtracted from the original x-coordinate, and 1 subtracted from the original y-coordinate. The other coordinates of the figure are ...

  I(2, 4) ⇒ I'(2 -6, 4 -1) = I'(-4, 3)

  H(5, 5) ⇒ H'(5 -6, 5 -1) = H'(-1, 4)

  G(4, 1) ⇒ G'(4 -6, 1 -1) = G'(-2, 0)

3 0
3 years ago
Jamie says that if she knows only the measure of one angle in an isosceles triangle, she can always determine the measures of th
lozanna [386]

Answer:

Jamie is correct

Step-by-step explanation:

Jamie is correct.

Example: isosceles triangle ABC AB=AC

∠B = ∠C        ∠A + ∠B + ∠C = 180°

if ∠A = x     ∠B = ∠C = 1/2 * ( 180° - x)

if ∠B or ∠C = x            ∠A = 180° - 2x

6 0
3 years ago
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