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3 years ago

I need help with my homework and thx

Mathematics

2 answers:

GrogVix [38]3 years ago

7 0

The other comment makes sense.

Cerrena [4.2K]3 years ago

4 0

Answer:

Step-by-step explanation:

300.364 us liquid gallonsgallons

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PLEASE HELP SUPER EASY!!!

Effectus [21]

A1. 12 i.e option D

A2. 3n-7 i.e option A

A3. -6n+20 i.e option D

A4. -70 i.e option C

Step-by-step explanation:

aₙ = a₁ + (n - 1) × d

aₙ = the nᵗʰ term in the sequence

a₁ = the first term in the sequence

d = the common difference between terms

Using the above formula to solve the first part, we have :

-8 = a₁ + (2-1) × 5

-13 = a₁

a₆ = -13 + (6-1) × 5

a₆ = 12

For the second part, we have :

aₙ = -4 + (n-1)×3

aₙ = -4 + 3n -3

aₙ = 3n-7

For the third part, we have :

a₁=14 ; d=-6

aₙ = 14 + (n-1)×(-6)

aₙ = -6n + 20

For the fourth part, we have :

aₙ = 14 + (15-1)×(-6)

aₙ = -70

7 0

4 years ago

Dean has two eletric train sets A and B.each train is on its own circular track he starts both trains at the same time train a r

kicyunya [14]

Answer:

Step-by-step explanation:

you have to find the LCM of 12 and 9 which is 36. :/

4 0

3 years ago

Read 2 more answers

At Elisa's printing company, there are two kinds of printing presses: Model A, which can print 70 books/ day, and model B, which

Dmitrij [34]

Answer:

9 Model As.

Step-by-step explanation:

Let A represent Press A and let B represent Press B.

So, they own 14 total presses. This means that:

$A+B=14$

They can print 905 books per day, in other words, since A prints 70 per day and B prints 55 per day:

$70A+55B=905$

This is now a system of equations. Solve by substitution. From the first equation, subtract B from both sides:

$A=14-B$

Substitute this into the second equation: "

$70(14-B)+55B=905$

First, we can divide everything by 5 to simplify things:

$14(14-B)+11B=181$

Distribute the left:

$196-14B+11B=181$

Combine like terms:

$-3B+196=181$

Subtract 196 from both sides:

$-3B=-15$

Divide both sides by -3

$B=5$

So, the company has 5 Model B presses.

Which means that the company has 14-5 or 9 Model A presses.

And we're done!

3 0

3 years ago

Plssssssssssssss help this quiz is timed Tomaz realized that the tip of a second hand on a clock rotates about the center of the

Juli2301 [7.4K]

Answer:

90 degrees

Step-by-step explanation:

90 degrees hhgffdfkgdf

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3 years ago

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DedPeter [7]

Answer:

y = 6x -2

Step-by-step explanation:

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3 years ago

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