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3 years ago

What is the solution for y? 4y+5x+9-2x=10-10y+2x

Mathematics

1 answer:

bulgar [2K]3 years ago

3 0

Answer:

y=-x/14+1/14

Step-by-step explanation:

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Find the value of 9x+4y when x=4 and y=-3

jasenka [17]

Answer:

you substitute x for 4 and so you multiply 9 x 4 which will give you 36 and then you have to add four times y so you substitute y for -3 and you add 36 - 12 which will give you 24

4 0

3 years ago

Geoff and Max are college roommates. Geoff can clean their apartment in 2.5 hours and Max can clean their apartment in 3.25 hour

Anestetic [448]

Answer: 1.41 hours

Step-by-step explanation:

Geoff: 2.5 hours = 1 job

Max: 3.25 hours = 1 job

Together: $\frac{x}{2.5} + \frac{x}{3.25} = 1 job$

⇒ $(3.25)(2.5)\frac{x}{2.5} + (3.25)(2.5)\frac{x}{3.25} = (3.25)(2.5)1$

⇒ 3.25x + 2.5x = 8.125

⇒ 5.75x = 8.125

÷5.75 ÷5.75

x = 1.413

6 0

3 years ago

Round off 55.09 and 38.36 to the nearest tenth then add

Arte-miy333 [17]

Answer:

93.5

Step-by-step explanation:

0 and 3 are in the tenths place value

9 and 6 both increase when rounding

55.1 + 38.4 = 93.5

8 0

3 years ago

Can you help me with this?

sineoko [7]

Answer:

See picture.

Sorry about the scrawly handwriting!

Step-by-step explanation:

You can split the figure into 2 trapezoids as shown.

5 0

3 years ago

Brainliest and Five Stars for correct answers

wel

$\bf \lim\limits_{x\to 9}~\cfrac{x^2-81}{x-9}\implies \cfrac{\stackrel{\textit{difference of squares}}{x^2-9^2}}{x-9}\implies \cfrac{\underline{(x-9)}(x+9)}{\underline{(x-9)}}
\\\\\\
\lim\limits_{x\to 9}~x+9\implies (9)+9\implies 18$

3 0

3 years ago