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Sergeeva-Olga [200]
3 years ago
11

Please help me quickly

Mathematics
2 answers:
Y_Kistochka [10]3 years ago
5 0

Answer:

(8,10)

Step-by-step explanation:

coordinates are set up like (x,y)

8 is in the x

10 is in the y

kari74 [83]3 years ago
3 0

Answer:

B is (4,0) and D is (8,10)

Step-by-step explanation:  Read the x and y cordinates

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Write a function rule to represent the sequence 0.3,0.9,1.5,2.1<br> PLease help
liraira [26]

The rule for sequence is:

a_n=0.3+(n-1)(0.6)

Step-by-step explanation:

To write the function rule, we have to check first whether it is an arithmetic sequence or geometric sequence

So

We have to find the common difference first. Common difference is the difference between two consecutive terms of a arithmetic sequence.

So,

Here

a_1=0.3\\a_2=0.9\\a_3=1.5\\a_4=2.1\\d=a_2-a_1=0.9-0.3=0.6\\a_3-a_2=1.5-0.9=0.6

The common difference is same so the sequence is an arithmetic sequence.

The explicit formula for an arithmetic sequence is:

a_n=a_1+(n-1)d\\

Putting the values of d and a_1 we get,

a_n=0.3+(n-1)(0.6)

Hence,

The rule for sequence is:

a_n=0.3+(n-1)(0.6)

Keywords: Functions Rule, Arithmetic sequence

Learn more about arithmetic sequence at:

  • brainly.com/question/10666510
  • brainly.com/question/10699220

#LearnwithBrainly

4 0
3 years ago
What is the value of the expression (–5) -3?
fgiga [73]
The answer to (-5)-3 is -8. I may be wrong but I did the work.
8 0
3 years ago
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The circumference of the base of a cylinder is 24π mm. A similar cylinder has a base with circumference of 60π mm. The lateral a
lukranit [14]

Answer:

Lateral area of the smaller cylinder = 33.6 π mm²

Step-by-step explanation:

Circumference of the base of a cylinder is 24π mm . A similar cylinder has a base with circumference of 60π mm. Since we are dealing with the circumference of two similar cylinder we need to know the scale factor.

The square factor can be expressed as follow

Scale factor is the ratio between the larger circumference of the larger cylinder to the  circumference of the smaller cylinder.

Scale factor = 60π/24π  = 2.5

The lateral area of the larger cylinder = 210π mm².

The scale factor  squared is equal to the ratio of the larger cylinder surface area to the smaller cylinder  surface area.

Therefore,

2.5² = 210π/a

where

a = surface area of the smaller cylinder

cross multiply

6.25 a = 210π

divide both sides by 6.25

a = 210π/6.25

a = 33.6 π mm²

Lateral area of the smaller cylinder = 33.6 π mm²

8 0
3 years ago
Sara watched the pump at the gas station dispense gas at a rate of ½ gallon every 3 ¼ seconds. How long will it take, in seconds
Dmitry_Shevchenko [17]
Let us start with the time it takes for 1 gallon of gas to be dispensed. If ½ gallon takes 3 ¼ seconds, it will take double of that time for one gallon of gas. Double of 3 <span>¼</span> seconds is 6 1/8 seconds. Unit rate is 1 gallon of gas at every 6 1/8 seconds If one gallon of gas takes 6 1/8 seconds, 50 gallons will take 50 x 6 1/8 seconds. That is, 325 seconds or 5 minutes ans and 25 seconds.
4 0
3 years ago
Find the missing angle.​
saw5 [17]

Answer:

Pretty sure it's 21 degrees.

Step-by-step explanation:

Hope I helped!! :)

Sorry if it's wrong! :(

Pls mark brainlist!!!

8 0
3 years ago
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