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Hatshy [7]
2 years ago
12

(13x+2)+(3x-4)+(5x-7)​

Mathematics
2 answers:
Dovator [93]2 years ago
8 0
I’m not 100% sure but I think the answer to this would be 21x - 9.
Bond [772]2 years ago
3 0

Answer:

13x+2+3x-4+5x-7=180

Step-by-step explanation:

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What is 25 times 0.3?
Gekata [30.6K]

Answer:

8.3

Step-by-step explanation:

25÷3=8.3333333

I rounded it to this.

8 0
2 years ago
Read 2 more answers
0.00000003 in scientific notation
tester [92]

Answer:

3×10x^{-8}

Step-by-step explanation:

0.00000003

Move the decimal so there is one non-zero digit to the left of the decimal point. The number of decimal places you move will be the exponent on the  

10 . If the decimal is being moved to the right, the exponent will be negative. If the decimal is being moved to the left, the exponent will be positive.

6 0
2 years ago
A large number is 5 more than twice a smaller number. their sum is 80. find the numbers
frez [133]
The answer is 55 and 25      (25)x2=50, 50+5=(55), 55+25=80.



3 0
2 years ago
Please help as quick i will give brainliest !
lilavasa [31]

Answer:

b

because in negative there is small number is big

Step-by-step explanation:

hope it help you

now please mark me as brainliest

4 0
3 years ago
Read 2 more answers
The 40th parallel of north latitude runs across the United States through Philadelphia, Indianapolis, and Denver. At this latitu
Ronch [10]

Answer:

793.25 mi/hr

Step-by-step explanation:

Given that:

The radius of the earth is = 3030 miles

The angular velocity = \dfrac{\pi}{12} rads

If a jet flies due west with the same angular velocity relative to the ground at the equinox;

We are  to determine the How fast in miles per hour would the jet have to travel west at the 40th parallel for this to happen.

NOW;

Distance s is expressed by the relation

s = rθ

s = 3030(\frac{\pi}{12} )

s = 793.25

The speed which depicts how fast in miles per hour the jet would have traveled is :

speed (v) = \frac{s}{t}

v = \frac{793.25}{1}

v = 793.25 mi/hr

Hence, the jet would have traveled 793.25 mi/hr due west at the  40th parallel for this to happen.

7 0
3 years ago
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