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Arlecino [84]
3 years ago
13

Factorise x^2 + 7x -30

Mathematics
2 answers:
kumpel [21]3 years ago
7 0
The answer is 
(x+10)(x-3)
maks197457 [2]3 years ago
3 0
x^{2} + 7x - 30 \\ \\ (x - 3)(x + 10) \\ \\ Answer: \fbox {(x - 3)(x + 10)}
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As an estimation we are told 5 miles is 8 km. Convert 22.5 miles to km.
Oksi-84 [34.3K]

Answer:

36 kilometers

Step-by-step explanation:

5 miles = 8 kilometers

22.5 miles = x kilometers

Cross multiply.

22.5 × 8 = 5 × x

180 = 5x

Divide both sides by 5.

180/5 = x

x = 36

7 0
3 years ago
Approximately, where do the numbers in the first file go in the second file's number line?
EastWind [94]
The first one and the 6,7,8th one all go to the right reasoning is for the positives section 

now the 2nd 3rd 4th 5th go's to the left reasoning for that is because its a negative
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3 years ago
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luda_lava [24]
249.58 is your answer matey
6 0
3 years ago
What is √25 times√81 times 0?
GrogVix [38]
Well, when any equation has a 0 multiplied into it, the answer will be zero.
Anyway, √25 equals 5 
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45 * 0 = 0
I hoped I helped!
6 0
3 years ago
Two cards leave town at the same time traveling in opposite directions. One car travels at a rate of 60 miles per hour. The othe
VladimirAG [237]
T=5 HOURS TELl they WILL BE 650 MILES APART.
PROOF:
650=(60+70)5
8 0
3 years ago
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