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igomit [66]
3 years ago
10

Simplify the expression 6×2/(-14) + 9 × 2

Mathematics
1 answer:
Ksenya-84 [330]3 years ago
7 0
Use order of operations from left to right
• and / first
+ and - second

[6•2/(-14)]. +(9•2)=
(12/-14)+18=
(-6/7)+ 18•7/7=
(-6+126)/7=
120/7

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Round to the nearest hundredth if necessary. <br> 2 qt =______ mL<br> help me pleaseeeee
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6 0
3 years ago
Is 2.55 a irrational, rational, integer, whole number or natural number?
satela [25.4K]

So, the first thing we need to know is what is what.


So,  A natural number is a whole number

A whole number is an integer

and An integer is a rational number.


Now, since there is a terminating decimal (a decimal that does not go on forever) we know it is a rational number.


Since there is a decimal, it cannot be an integer, therefore

It is a rational number

4 0
3 years ago
Your friend can clap his hands 28 times in 12 seconds. How many times can your friend clap his hands in 0.5 minute?
Allushta [10]
60 seconds in a minute

12 goes into 60, 5 times,
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140 claps per minute

0.5 minute is 30 seconds, half a minute so divide by 2,
140/2 = 70

70 times every 0.5 minutes
7 0
3 years ago
Sally's summer punch recipe is a combination of lemonade and fruit punch. Sally uses 6 cups of lemonade for every 8 cups of frui
andre [41]

Answer:

August made the recipe using the <em>incorrect</em> ratio

Step-by-step explanation:

* Lets explain how to solve the problem

- Sally's recipe is a combination of lemonade and fruit

- Sally uses 6 cups of lemonade for every 8 cups of fruit

∵ Sally uses 6 cups of lemonade for every 8 cups of fruit

∴ The ratio of sally recipe is 6 : 8

- Simplify the terms of the ratio by divide them by 2

∴ The ratio of sally recipe is 3 : 4

- August made a recipe with 35 cups of liquid total

- He made 15 cups of them lemonade

∵ The total number of cups August made is 35

∵ 15 of them are lemonade

∴ The number of fruit cups = 35 - 15 = 20 cups

∵ August mad 15 cups of lemonade for every 20 cups of fruit

∴ The ratio of August recipe is 20 : 15

- Simplify the terms of the ratio by divide them by 5

∴ The ratio of August recipe is 4 : 3

∵ The ratio of Sally recipe is 3 : 4

∵ The ratio of August recipe is 4 : 3

∵ The ratio 3 : 4 ≠ the ratio 4 : 3

∴ August made the recipe using the <em>incorrect</em> ratio

6 0
3 years ago
Read 2 more answers
Garvey's Electronic store is having a storewide sale. For a television set with a regular price of x dollars, a 15 percent disco
ratelena [41]
With the equation:
0.15 x = 30
x = 30 : 0.15 = $200
A regular price of TV is $200.
Which could not be used to determine x ( we shall plug in the value 200 ):
A ) 0.15 * 200 = 200 - 30
30 ≠ 170
B ) 0.85 * 200 = 200 - 30
170 = 170 ( correct )
C ) 200 - 0.15 * 200 = 200 - 30
200 - 30 = 200 - 30
170 = 170   ( correct )
D ) 0.15 * 200 = 30
30 = 30  ( correct )
Answer:
A ) 0.15 x = x - 30
5 0
4 years ago
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