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3 years ago

Which best describes a standard thermometer...

Mathematics

1 answer:

Katen [24]3 years ago

6 0

Answer:

inteager

Step-by-step explanation:

temperature can express both positive and negative

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Please help 7r+18=-2(6-6r)

ivolga24 [154]

Step-by-step explanation:

7r+18=-2(6-6r)

7r+18= -12+12r

7r = -12-18+12r

-30+12r = 7r

-30 = 7r-12r

-5r = -30

r = 30/5

r = 6

hope it helps you ❤️

7 0

3 years ago

Read 2 more answers

Angie run 4 miles in 18 minutes how far can she run in 90 minutes

zhuklara [117]

4 = x
 18 90

(4 * 90) / 18 = 20

 x = 20 So Angie can run 20 miles in 90 minutes!

5 0

4 years ago

In a shipment of airplane parts, 5% are known to be defective. If 21 parts are found to be defective, how many parts are in the

horrorfan [7]

We can use ratios and the cross-multiply-divide to find this.

The ratio 21:5 is avaliable via the question. We then need to compare that to the ratio x:100, the 100 being the percent and the x being the number of airplane parts.

21/5 = x/100

We can then solve for x to find the number of airplane parts. First we multiply by 100 on both sides to get 2100/5 = x. Therefore x = 420 and there are 420 airplane parts.

7 0

3 years ago

-16= 27 + 3b + c How do I find b and c

dybincka [34]

Subtract 27 and you can get a relationship between b and c. Without additional information, that's the best you can do.
3b +c = -43

6 0

3 years ago

Lexi has already jarred 19 liters of jam and will jar an additional 9 liters of jam every day. How many days does lexi need to s

Marysya12 [62]

Answer:

Lexi need to spend 6 days to fill the jar with 73 liters of jam.

Step-by-step explanation:

Given:

amount of jam already had in jar =19 liters

amount of jam added each day in jar = 9 liters.

Total number of jam to be needed in jar = 73 liters.

We need to find the number of days required to jar 73 liters.

Solution:

To find the number of days required to jar 73 liters will be equal to amount of jam already had in jar plus amount of jam added each day in jar multiplied by number of days.

framing in equation form we get;

$19+9x= 73$

Subtracting both side by 19 we get;

$19+9x-19=73-19\\\\9x = 54$

Dividing both side by 9 we get;

$\frac{9x}{9}=\frac{54}{9}\\\\x=6\ days$

Hence Lexi need to spend 6 days to fill the jar with 73 liters of jam.

5 0

3 years ago