3 years ago

Round 130 to the nearest ten

Mathematics

1 answer:

Lilit [14]3 years ago

6 0

It's 130 - the tens place is 3, but there is no number in the units column therefore the answer is still 130

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I did the first one but can you help me with the second one plz??

yanalaym [24]

the only like-terms are on the right-hand-side, since the left-hand-side has only 1 term anyway.

$\bf \cfrac{5}{2}s=\cfrac{3}{2}s+s\implies \cfrac{5}{2}s=\cfrac{3}{2}s+\cfrac{s}{1}\implies \cfrac{5}{2}s=\stackrel{\textit{using the LCD of 2}}{\cfrac{(1)3s+(2)s}{2}} \\\\\\ \cfrac{5}{2}s=\cfrac{3s+2s}{2}\implies \cfrac{5}{2}s = \cfrac{5}{2}s$

5 0

3 years ago

A certain brand of coffee comes in two sizes. An 11.3-ounce package costs $2.54. A 27.8 ounce costs $6.78. Find the unit price f

Sauron [17]

Step-by-step explanation:

for the 11.3 ounce one:

1 ounce is $0.2247787611=$0.22

for the 27.8 ounce one:

1 ounce is $0.2438848921=$0.24

the 11.3 ounce one is a better buy as 1 ounce of it cost lesser than the 1 ounce of 27.8 ounce package.

3 0

4 years ago

Find the value of b in equation y = mx+b that passes through the point (9,-2) and has a slope of 2/3

kiruha [24]

Answer:

-8

Step-by-step explanation:

y = mx + b

-2 = 2/3(9) + b

-2 = 6 + b

b = -8

4 0

4 years ago

Read 2 more answers

<img src="https://tex.z-dn.net/?f=%5Csqrt%7B8ux%5E%7B5%7D%20%7D%20%5Csqrt%7B2ux%7D" id="TexFormula1" title="\sqrt{8ux^{5} } \sqr

lozanna [386]

Answer:

4ux³

Step-by-step explanation:

√8ux⁵ √2ux

√8*2 u*u x⁵*x

√16u²x⁶

4ux³

3 0

3 years ago

Guys please help me with this question, I’d appreciate it a lot

anzhelika [568]

I think it would be the first one

4 0

3 years ago

Read 2 more answers