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DerKrebs [107]
4 years ago
10

Simplify. 8.8a - 2.9a

Mathematics
2 answers:
marshall27 [118]4 years ago
7 0
Its the same sign so simply:

8.8 minus 2.9

Which is 5.9

The answer is 5.9a
crimeas [40]4 years ago
6 0
5.9a
Hope this helps
You might be interested in
in ms. morales's class the ratio of boys to girls are 3:7. the class sizes at Ms. Morales's school ranges from 22 to 34 students
kompoz [17]

Answer:

30

Step-by-step explanation:

boys:  girls  : total

3           7       3+7 =10

The total number of students must be a multiple of 10

The class size is between 22  and 34

The only multiple of 10 between those numbers is  30

10,20,<u>30</u>,40

Therefor the class size must be 30

7 0
4 years ago
Please help me with this
Sati [7]

Answer:

x = \sqrt{11.4^2+2.6^2}\\\\

Rounded to the nearest hundredths: 11.69.

Step-by-step explanation:

I would use the Pythagorean theorem for this problem.

The difference between the highest point and the lowest point of AD is 9.8-7.2 = 2.6, so that would be the height of the triangle. The length/base of the triangle would be 11.4.

Now, just solve using Pythagorean's theorem:

x = \sqrt{11.4^2+2.6^2}\\\\

Rounded to the nearest hundredths: 11.69.

I hope this helped you.

5 0
3 years ago
There are two machines available for cutting corks intended for use in wine bottles. The first produces corks with diameters tha
Rainbow [258]

Answer: 0.7887

Step-by-step explanation:

Let x be the random variable that represents the diameters of the corks .

Given :  The first produces corks with diameters that are normally distributed with mean 3 cm and standard deviation 0.08 cm.

i.e. \mu=3\ cm\ \ ,\sigma=0.08\ cm

Acceptable corks have diameters between 2.9 cm and 3.1 cm.

Then, the probability that the first machine produces an acceptable cork will be :_

P(2.9

∴ The  probability that the first machine produces an acceptable cork= 0.7887

4 0
4 years ago
What is the equation?
navik [9.2K]

Answer:

y=-x+2

Step-by-step explanation:

y-(-1)=-1(x-3)

y+1=-1x+3

y=-1x+3-1

y=-1x+2

6 0
3 years ago
If cheese is $4.40 per kilogram, what should i pay for 200 grams
Contact [7]
1 kg is 1,000 grams.


200 grams are 1/5 of 1000 grams, that is 1/5 of 1 kg.

Thus 200 g= 1/5 kg = 0.2 kg.



      1 kg of cheese is <span>$4.40, 
</span>
so 0.2 kg of cheese is \displaystyle{ \frac{0.2kg \cdot \$4.40}{1kg}}=4.40 \cdot0.2 \$= 0.88\$


Answer: $0.88


8 0
3 years ago
Read 2 more answers
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