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weqwewe [10]
3 years ago
6

Help on this plzzzzz

Mathematics
2 answers:
Firdavs [7]3 years ago
8 0
The transformation was a 180° rotation about the origin
Ivahew [28]3 years ago
4 0
The transformation was a 180 rotation about the origin because it is the opposite.
hope it helps and if so plz brainliest
thx
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JUST CHECKING MY ANSWER JS THJS RIGHT? I’ll mark BRAINLIEST
tia_tia [17]

Answer:

I cant see the whole thing But I think you're right

4 0
3 years ago
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The length of a rectangle is 8 feet longer than the width. If the perimeter is 80 feet, find the length and width of the rectang
Klio2033 [76]

perimeter = 2L + 2W

 L=8+w

perimeter = 2(8+w) +2w

80 =16+2w+2w

80 = 16 +4w

64 =4w

w=64/4 = 16

 l=16+8 =24

 length = 24 feet

width = 16 feet


 check 2(24) +2(16) = 48 + 32 = 80

7 0
3 years ago
Excel - Using the charts below how would I create an equation to calculate the cost for the other years using the annual API
Len [333]
<h3>Explanation:</h3>

If we assume that the given cost of iPhone 6s (gray cell) is cell O114, then the cells around it get filled with formulas that calculate what the column header tells you.

Cell P114 is the ratio of this year's CPI to last year's, so will have the formula ...

  =N114/N113

Cell Q114 is the annual inflation rate. You can express this different ways, but the usual way is as a percentage. A percentage change is calculated as ...

  ((new value) -(old value))/(old value) × 100%

This can be rearranged to ...

  ((new value)/(old value) -1) × 100%

Of course, the ratio (new value)/(old value) is the one in column P, so the formula for cell Q114 is simply ...

  =P114-1

with the cell formatting is set to <em>show the value as a percent</em>.

___

The cell phone costs that go in column O can make use of the ratio calculated in column P, or they can be formulated using the CPI directly. Either way, the previous year's cell phone cost is the current year's cost divided by the ratio in column P. That is, cell O113 could be either of ...

  =O114/P114

  =O114/N114*N113

_____

Of course, once you put these formulas in the cells at the bottom of the table, you must fill them upward so they calculate values for previous years. The attachment shows a recreation of a small part of your table, with the formula bar showing the formula in the highlighted cell.

3 0
2 years ago
(17 Leon uses 3/4 cup water to make a serving of iced tea.
Ksivusya [100]

Answer:

A.) 12 3/4 cups

B.) 117 1/3

Step-by-step explanation:

<u>Part A</u>

If one serving of ice tea contains 3/4 cup of water, how much does 7 serving have?

To answer this, you must multiply 3/4 and 17

17 is the same as 17/1, so multiply the numerators and denominators

17 x 3 = 51

1 x 4 = 4

51/4 = 12 3/4

So, Leon used 51/4 or 12 3/4 cups of water

<u>Part B</u>

If the cooler has 88 servings of tea, how many cups of water does it have?

To solve this, divide 88 by 3/4

Dividing 88 by 3/4 is the same as multiplying 88 by 4/3.

Again, 88 is the same as 88/1 so multiply the numerators and the denominators.

88 x 4 = 352

1 x 3 = 3

352/3 = 117 1/3

So, there are 352/3 or 117 1/3 cups of water in the cooler

I hope this helps!

4 0
3 years ago
Find the product of z1 and z2, where z1 = 2(cos 70° + i sin 70°) and z2 = 4(cos 200° + i sin 200°)
vazorg [7]

Answer:

-8i

Step-by-step explanation:

To multiply numbers is polar form

z1 = r1 ( cos theta 1 + i sin theta 1)

z2 = r2 ( cos theta 2 + i sin theta 2)

z1*z2 = r1*r2 (cos (theta1+theta2) + i sin (theta1+theta2)

z1 = 2(cos 70° + i sin 70°)

z2 = 4(cos 200+ i sin 200)

z1z2 = 2*4 (cos (70+200) + i sin (70+200)

z1z2 = 8 (cos(270) + i sin (270))

       = 8 (0 + i (-1))

       =-8i

5 0
3 years ago
Read 2 more answers
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