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3 years ago

What is the nearest ten for the point shown on the number line below?

Mathematics

1 answer:

ivanzaharov [21]3 years ago

8 0

Answer:

Step-by-step explanation:

because when we round off it to the nearest ten it is more nearest to the 50 than 60

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Please help me!!!! with both

loris [4]

Answer:

Part 11) $a_n=a_{n-1}-16$ , $a_1=17$

Part 2) 4+3i

Step-by-step explanation:

Part 11) write a recursive rule for the sequence

$17,1,-15,-31,...$

Let

$a_1=17\\a_2=1\\a_3=-15\\a_4=-31$

we know that

$a_2-a_1=1-17=-16$ ----> $a_2=a_1-16$

$a_3-a_2=-15-1=-16$ ----> $a_3=a_2-16$

$a_4-a_3=-31-15=-16$ ----> $a_4=a_3-16$

This is an arithmetic sequence

In an Arithmetic Sequence the difference between one term and the next is a constant, and this constant is called the common difference (d).

In this problem the common difference is equal to $d=-16$

therefore

A recursive rule for the sequence is

$a_n=a_{n-1}+d$

substitute the value of d

$a_n=a_{n-1}-16$

where

$a_1=17$

Part 12) What is the complex conjugate of 4-3i?

we know that

The <u><em>complex conjugate</em></u> of a complex number is the number with an equal real part and an imaginary part equal in magnitude but opposite in sign

we have that

the real part of the given number is 4 and the the imaginary part is -3i

the imaginary part equal in magnitude but opposite in sign is +3i

therefore

the complex conjugate of the given number is equal to

$4+3i$

6 0

3 years ago

Each month Liz pays $35 to her phone company just to use the phone. Each text she sends costs her an additional $0.05. In March

damaskus [11]

How i would solve it is
1. 72.6-35=37.6
2. 37.6/.05=752
and for April you can do the same process phone bill - 35 for usage then divide the answer by .05

5 0

4 years ago

A firm incurs $70,000 in interest expenses each year. If the tax rate of the firm is 30%, what is the effective after-tax intere

nadezda [96]

Answer:

After tax interest expenses = Interest expenses x (100 - Tax Rate)

= 70000 x (100 - 30)%

= 70000 x 70%

= $49,000.00

Step-by-step explanation:

6 0

1 year ago

What is the standard form of 65

otez555 [7]

The standard form would be 65 right?

3 0

3 years ago

Please help me with this problem

Ede4ka [16]

Answer:

vitamin c is the independent variable

Step-by-step explanation:

the amount of vitaman c dose not change but the amount of oranges eaten can change

6 0

3 years ago

What is the nearest ten for the point shown on the number line below?​

What is the nearest ten for the point shown on the number line below?