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anzhelika [568]
3 years ago
11

PLEASE HELP EASY WORK GIVING BRAINLIEST REPORTING FALSE ANSWERS

Mathematics
1 answer:
LuckyWell [14K]3 years ago
7 0
It is 70 because common sense people
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Given two sets of polar coordinates that could be used to play the given point
topjm [15]

Answer:  a.  (2.5, 300°)  and  (-2.5, 120°)

               b.  (4, 270°)    and   (-4, 90°)

<u>Step-by-step explanation:</u>

Polar coordinates are written as (r, θ)    where

  • r is the radius
  • θ is the angle

In the first graph, the radius is 2.5 and the angle is 300° --> (2.5, 300°)

You can also list the radius as -2.5 at angle 120° --> (-2.5, 120°)

                                                                           ↓

                                                                    (300 - 180)

In the second graph, the radius is 4 and the angle is 270° --> (4, 270°)

You can also list the radius as -4 at angle 90° --> (-4, 90°)

                                                                      ↓

                                                                (270 - 180)

5 0
3 years ago
What is UW? For brainliest
valkas [14]

Answer:

UW = 5

Step-by-step explanation:

use the altitude rule and set up a proportion:

4/UW = UW/6.25

cross-multiply:

UW² = 25

UW = \sqrt{25}

UW = 5

7 0
3 years ago
The first term of a geometric sequence is 6, and the ratio (multiplier) is 0.5. What is the sum of the first 8 terms, rounded to
IRISSAK [1]
The sum of the first n terms of a geometric sequence is given by:

S_{n}=\frac{a_{1}(1-r^{n})}{1-2}

Using the known values:
S_{8}=\frac{6(1-0.5^{8})}{1-0.5}
S_{8}=\frac{6(1-0.00390625)}{0.5}
S_{8}=\frac{6(0.99609375)}{0.5}
S_{8}=\frac{5.9765625}{0.5}
S_{8}=11.953125

4 0
3 years ago
What’s the answer please help..............
kupik [55]

Answer:

(-2, -5)

Step-by-step explanation:

in a rectangle there will be 4 different numbers. Each number will have 2 spots. 2 numbers will have 2 x spots, and 2 numbers will have 2 y spots. we notice that our numbers are -2, -5, 3, and 4.

we see that -2 and 3 are our x values, and -5 and 4 are our y values.

-2 and -5 are the 2 numbers that have not been repeated, so the last corner's coordinates are (-2,-5)

3 0
4 years ago
Cecil measures the length and width of a playground. What is the most appropriate unit of measure for the dimensions of the play
alisha [4.7K]

Answer:

Meters

Step-by-step explanation:

Meter is the standard unit of length in SI system and is normally used to measure houses and fields, therefore it is appropriate unit of measure for the dimensions of the playground.

A meter has 100 centimeters which is fairly small unit and cannot be used for dimensions of playground.

Similarly a Kilometer has 1000 meters and is used to measure long distances from one place to other which also makes it inappropriate unit for dimension of playground.

Hope that clarifies the answer.

8 0
3 years ago
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