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ki77a [65]
3 years ago
13

I don’t really understand this

Mathematics
2 answers:
goldenfox [79]3 years ago
8 0

Answer:

Step-by-step explanation

Square root of 4 is 2

2/5 =0.4

Pi /5 = 3.142 ÷ 5 = 0.6284

3÷10 = 0.3

These are the figures you plot on the graph

mars1129 [50]3 years ago
7 0
Uhh me neither thats very complicated
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Which of the following is the best estimate for 31% of 9? *GIVING 99 Points!*
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Hello! So, when you know your fractions and percents, you know that about 33% equals 1/3. 31 is close to 33, so the best estimate for 31% of 9 is 3. When you solve it on a calculator, 9 * 31% (0.31) is 2.79, which rounds off to 3 when rounded to the nearest whole number. The answer is B: 3.
5 0
3 years ago
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A water sprinkler has a range of 5 meters as shown. The jet of water from the sprinkler sweeps out at an angle of 85° as the noz
Gemiola [76]

<u>Answer</u>

18.5 m²

<u>Explanation</u>

The figure is a sector of angle 85° and of radius 5 m.

The area = θ/360 × π × r²

                = 85/360 × 3.14 × 5²

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  The answer to one decimal place is 18.5 m²

4 0
3 years ago
Problem
Sergeu [11.5K]

The lengths of HJ and JK are 50 and 72 respectively.

Given: J is between H and K. the length of HJ=2x+4, JK=3x+3, and HK=22.

The line HJ and JK are  collinear then the total length is given as: HJ+JK=HK

substitute values

⇒ (2x+4)+(3x+3)=22

⇒ 5x+7=22

⇒ 5x=22-7

⇒ 5x=15

⇒ x=3

Thus, the length of HJ is (2x+4)=(2*3+4)=10

And the length of JK is (3x+3)=(3*3+3)=12

Learn more about collinear lines here: brainly.com/question/27943430

#SPJ10

8 0
2 years ago
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What is the linear equation for figuring out the daily pay rate for working 8 hrs a day at a pay rate of $20 hour?
kupik [55]
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4 0
3 years ago
Solve the system by graphing. Y=2x-9 y=-2x-1
sattari [20]

Answer:

(2,-5)

Step-by-step explanation:

See attachment

One can also solve this by calculation:

y=2x-9

y=-2x-1

-

Rearrange either equation to find x.  I'll use the first:

y=2x-9

2x = y+9

x = (y+9)/2

Now use this value of x in the second equation:

y =  -2x-1

y =-2((y+9)/2)-1

y = (-2y-18)/2)-1

y = -y -9 - 1

2y = -10

y = -5

Now use -5 for y in the rearranged equation:

y =  -2x-1

-5 =  -2x-1

-2x = -4

x = 2

Solution is (2,-5)

But the question wants a graph solution, which is also fun when you use DESMOS.

4 0
2 years ago
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