3 years ago

I NEED HELP NOW OR I RPEAT 8

Mathematics

1 answer:

trasher [3.6K]3 years ago

8 0

Direct Variation x = 5y

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(05.02 MC)

Elanso [62]

His work should have looked like this.

2x + y = 5
x − 2y = 10

y = 5 − 2x
x − 2(5 − 2x) = 10
x − 10 + 4x = 10
5x − 10 = 10 When he added in both sides, he subtracted 10 from 10,
5x = 20 instead of adding 10 from 10 to make 20.
x = 4
2(4) + y = 5
8 + y = 5

y = -3

4 0

2 years ago

Kol and Kara solve this problem in two different ways the perimeter of a rectangle is 46 centimeters it’s length is 8 centimeter

JulsSmile [24]

Answer:

15cm

Step-by-step explanation:

because length is given as 8 cm and perimeter is length+width+length+width

so if you take 8cmX2 since its taken twice to get the perimeter and 15cmX2 you get 46cm which originally the question said was the peemiter

5 0

1 year ago

Read 2 more answers

*** -6 Simplify 21v6 ÷ (-7v-6) O 0 -3y¹2 -3 12 0 -3 DONE 0 0

-Dominant- [34]

Answer:

-3

Step-by-step explanation:

$\frac{ 21y {}^{ - 6} }{ - 7y {}^{ - 6} } \\ - 3y {}^{ - 6 - ( - 6)} \\ - 3y {}^{ - 6 + 6} \\ - 3y {}^{0} \\ - 3(1) \\ - 3$

3 0

2 years ago

Can someone please help me with this?? I NEED THIS ASAP

salantis [7]

Answer:

hi ate you know crush kita <3

( ˘ ³˘)♥︎

4 0

3 years ago

Help me I’m dumb and stupid :)

wel

Answer:

The first digit of the quotient should be placed at the leftmost place of the places of the all the digits in the quotient.This is so from the basic rule of division.

Step-by-step explanation:

The quotient is given by,

$[\frac {4,839}{15}]$ [where [x] is the greatest integer function on x]

= [322.6]

= 322

and the remainder is given by,

$15 \times 0.6$

= 9

So, the first digit of the quotient should be placed at the leftmost place of the places of the all the digits in the quotient and this is so from the very basic rule of division.

8 0

2 years ago