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algol13
3 years ago
9

What is (2w-9) + (-4w-5)​

Mathematics
2 answers:
Scrat [10]3 years ago
7 0

Answer:

-2w-14

Step-by-step explanation:

Marrrta [24]3 years ago
5 0
The answer is -2w-14
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What number is 15.26 more than the difference of 346.18 and 215.37?
Galina-37 [17]

Answer:

146.07

Step-by-step explanation:

Let's take this question one step at a time. First, we'll find the difference of 346.18 and 215.37. This is equivalent to 130.81. Then, we have to find the number that's <em>15.26 more</em> than 130.81, and this is equivalent to 146.07. So, our final answer is 146.07.

If you have any further questions, let me know!

6 0
2 years ago
Complete the statement 3^3•3^-2
Lyrx [107]

Answer: Your answer to 3*3x3*2 is 243

Step-by-step explanation:

This is because 3 to the 3rd power is 27. Then 3 to the 2nd power is 9. 27x9 s 243. Hope this helps.

5 0
3 years ago
Read 2 more answers
Find the number of multiples of 7 between 30 and 300. Is it 38?
Charra [1.4K]
In the above problem, you want to find the number of multiples of 7 between 30 and 300. 

This is an Arithmetic progression where you have n number of terms between 30 and 300 that are multiples of 7. So it is evident that the common difference here is 7.

Arithmetic progression is a sequence of numbers where each new number in the sequence is generated by adding a constant value (in the above case, it is 7) to the preceding number, called the common difference (d)

In the above case, the first number after 30 that is a multiple of 7 is 35

So first number (a) = 35

The last number in the sequence less than 300 that is a multiple of 7 is 294

So, last number (l) = 294

Common difference (d) = 7

The formula to find the number of terms in the sequence (n) is,

n = ((l - a) ÷ d) + 1 = ((294 - 35) ÷ 7) + 1 = (259 ÷ 7) + 1 = 37 + 1 = 38
3 0
3 years ago
Laura's science teacher gave each student in her class 25.0 grams of iron pellets for an experiment. Each student was required t
Fynjy0 [20]
The given samples are supposed to weigh 25.0 grams. This value is the basis when we talk about accuracy. In this case, we are talking about precision, so we opt to select the most 'precise' of the choices. The most precise measurement is C) 25.0122 grams. This is because it records up to +- 0.0001 grams.
8 0
4 years ago
Read 2 more answers
Lamar receives money from his relatives every year on his birthday. Last year, Lamar received $100. This year, he received 29% m
Bond [772]

Answer:

$129

Step-by-step explanation:

Amount received last year = $100

Amount received this year = x

x = 29% more of last year

x = $100 + ($100 * 29%)

x = $100 + ($100 * 29 / 100)

x = $100 + $29

x = $129

5 0
3 years ago
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