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2 years ago

13

a grocery Store has small bags of apples for $5 and large bags of apples for $8. If you buy 6 bags and spend $45, how many of ea

ch size bag did you buy?

1 answer:

Elodia [21]2 years ago

5 0

9 small bags and 5 large bags

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Convert and round to the proper Precision or accuracy. 21.4 grams= mg? * O .0214 mg О 214 mg О 214.0 mg O 21,400 mg 00214 mg

KengaRu [80]

Answer: 21,400 mg

Step-by-step explanation: Multiply the mass value by 1000 .

4 0

2 years ago

The average grain of salt is 0.0003 meters wide. Rhinovirus, which causes the common cold, is 0.00000003 meters wide. How many t

algol [13]

Answer:

$1\times 10^4\ times$

Step-by-step explanation:

Given:

Width of average grain of salt is, $w=0.0003\ m$

Width of Rhinovirus is, $W=0.00000003\ m$

Now, expressing each width in scientific notation form, we get:

$w=0.0003\ m = 3\times 10^{-4}\ m\\\\W=0.00000003\ m = 3\times 10^{-8}\ m$

Now, in order to get how many times 'W' is wider than 'w', we divide the two widths. This gives,

$\frac{W}{w}=\frac{3\times 10^{-4}\ m}{3\times 10^{-8}\ m}\\\\\frac{W}{w}=1\times 10^{-4-(-8)}=1\times 10^{-4+8}=1\times 10^4\\\\\therefore W=1\times 10^4\times w$

Therefore, the grain of salt is $1\times 10^4\ times$ wider than Rhinovirus.

5 0

3 years ago

Suppose 6 of 15 students in a grade-school class develop influenza where 20 percent of grade-school students nationwide develope

Snowcat [4.5K]

I am not sure what the question is here. I can tell you how to find the percent of kids that developed influenza in that class. We can compare it to the 20% of students nationwide. There could many different questions that stem from the piece of information you gave.

To find the percent of kids that developed influenza in that class do 6÷15 which gives you
.4 and written as a percent would be 40%.

Please message me if you have any questions! Hope this helps!

6 0

2 years ago

Write an expression for the operation described below.<br> the product of 2 and c

PtichkaEL [24]

Answer:

2<em>c</em> or 2 x <em>c</em>

Step-by-step explanation:

Product means multiplication, they put 2 first then c last.

Hope this helps

~R3V0

3 0

2 years ago

Your freind has 12 cds and 3/4 of them are pop music.How many cds are pop music

Natalka [10]

Answer:

9

Step-by-step explanation:

12 x 3/4

36/4

9

3 0

3 years ago