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2 years ago

A-2.5 2a-22.7 a+1.3 21.5 What’s a

Mathematics

1 answer:

rewona [7]2 years ago

8 0

Answer:

2.4

Step-by-step explanation:

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saw5 [17]

Answer:

the answer should be 152.6 ! just moving the decimal over to the left!!

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1 year ago

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mihalych1998 [28]

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2 years ago

Read 2 more answers

An ice-skating competition lasted three days. Day one had an attendance of 16,390 people. Day two had an attendance of 16,550 pe

lana [24]

Answer:

$Day\ 3 = 16237$

$Day\ 1 = 16390$

$Day\ 2 = 16550$

Step-by-step explanation:

Given

$Day\ 1 = 16390$

$Day\ 2 = 16550$

$Day\ 3 = 16237$

Required

Order from least to greatest

Comparing 16390, 16550 and 16237.

The order of arrangement from least to greatest is:

16327, 16390 and 16550.

So, we have:

$Day\ 3 = 16237$

$Day\ 1 = 16390$

$Day\ 2 = 16550$

6 0

3 years ago

A ferry departs from a port along the Sands River at 10:00 am. The ferry travels at a speed of 15 mph in still water and returns

jek_recluse [69]

Answer:

Speed of river's current = 5 mph

Step-by-step explanation:

Let 'd' be the distance covered

Let x be the speed of the rivers current

Speed upstream = 15-x

speed downstream = 15+x

Time = distance / speed

time upstream = $\frac{d}{15-x}$

time downstream = $\frac{d}{15+x}$

the ferry trip upstream takes twice as long as its return trip downstream

$\frac{d}{15-x}$ = $\frac{2d}{15+x}$

divide both sides by d

$\frac{1}{15-x}$ = $\frac{2}{15+x}$

cross multiply

$15+x= 2(15-x)$

$15+x= 30-2x$

Add 2x on both sideds

$15+3x= 30$

subtract 15 from both sides and divide by 3

$3x=15$

x=5

Speed of river's current = 5 mph

8 0

2 years ago

Ritta purchased a package of stickers. She noticed 4 out of every 5 stickers where purple. Which table shows the relationship be

lisabon 2012 [21]

Answer:

4:5

Step-by-step explanation:

I don't see the table but since it is 4 out of every 5 stickers are purple, the ratio would be 4:5, 4/5, or 4 to 5. It doesn't really matter, because all of these mean the same thing.

Tell me if I'm wrong :)

7 0

1 year ago