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3 years ago

How many solutions does this system of equations have?

Mathematics

1 answer:

Vedmedyk [2.9K]3 years ago

8 0

Correct! This one is 'none' because the lines are parallel. Also, they have the same slope and y-intercept, but they differ after the equal sign, which means that their would be NO solutions to this.

Answer: None

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Your friend spends 3+4x minutes lifting weights and 9x+5 running a treadmill. Write a polynomial that represents how much time i

rusak2 [61]

Answer:

$Polynomial = 5x+ 2$

Step-by-step explanation:

Given

$Weights = 3 + 4x$

$Treadmill = 9x + 5$

Required

Polynomial that represents time spent running treadmill than weight lifting

To do this, we simply subtract weights from treadmill

i.e.

$Polynomial = Treadmill - Weights$

$Polynomial = 9x + 5 - (3 + 4x)$

$Polynomial = 9x + 5 - 3 - 4x$

$Polynomial = 9x - 4x+ 5 - 3$

$Polynomial = 5x+ 2$

6 0

3 years ago

I need help with 6 a) and all of 7 :)

attashe74 [19]

6 a)
((10+2)•3^2 ) -2= 12•9-2=108-2=106

4 0

4 years ago

Read 2 more answers

Please help ASAP will give brainilest to best answer

kykrilka [37]

Answer: 100

Step-by-step explanation:

1 cubic inch would just be 100 because each cube is 1 cubic inch. So 100(number of cubes)/1(cubic inch)=100 I hope I'm right :)

3 0

3 years ago

Express 20% as a fraction in its lowest form? Thanks

lilavasa [31]

✧･ﾟ: *✧･ﾟ:* *:･ﾟ✧*:･ﾟ✧

Hello!

✧･ﾟ: *✧･ﾟ:* *:･ﾟ✧*:･ﾟ✧

❖ 20% as as a fraction in lowest terms is $\frac{1}{5}$

Percents are out of 100% so write 20% out of 100% as a fraction:

$\frac{20}{100}$

Both the numerator and denominator can be divided by 20 so once divided, you get $\frac{1}{5}$

~ ʜᴏᴘᴇ ᴛʜɪꜱ ʜᴇʟᴘꜱ! :) ♡

~ ᴄʟᴏᴜᴛᴀɴꜱᴡᴇʀꜱ

8 0

4 years ago

Read 2 more answers

Two factors of 30 add up to 9. What are they?

Komok [63]

<span>factors of 30 are numbers by which 30 is divisible.
if we list out 30 as a product of factors 30 = 1 x 30
30 = 2 x 15
30 = 3 x 10
30 = 5 x 6
therefore all the factors of 30 are - 1,2,3,5,6,10,15,30
the numbers 3 and 6 add up to 9.
therefore the 2 factors that add up to 9 are 3 and 6</span>

5 0

4 years ago