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puteri [66]
3 years ago
5

Where on a number line is the set of numbers x for which:

Mathematics
1 answer:
sattari [20]3 years ago
3 0

a)\\|x| < 1\iff x < 1\ \wedge\ x > -1\\\\b)\\|x| < 5\iff x < 5\ \wedge\ x > -5\\\\c)\\|x| > 3\iff x > 3\ \vee\ x < -3

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A bird was sitting 9 meters from the base of an oak tree and flew 10 meters to reach the top of the tree. How tall is the tree?
ArbitrLikvidat [17]
100=64-x^2
36=x^2
X=6 meters
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3 years ago
Angela is buying a dress that is on sale for 20% off. If the original price of the dress is $40.00, how much money is Angela sav
neonofarm [45]
The answer is D, 8$. One easy way to do it is to take 10% of 40, which is 4, and double it.
8 0
3 years ago
Write the following in correct mathematical language: 45.23
dexar [7]

Forty-five and twenty-three hundredths.

In general, with decimals, the first place value after the decimal is read as a tenth, the second is read as a hundredth, the third is read as a thousandth, and so on. In front of the decimal, we know that 4 is in the tens place and 5 is in the ones place, so we say forty-five. Past the decimal, 2 is in the tenths place (think about how 2/10 = .2, which is "two-tenths") and 3 is in the hundredths place (think about how 23/100 = .23). You read the number after the decimal like normal ("twenty-three," "two-hundred fifteen," etc), then you add the place ("tenths, hundredths, ten-thousands") at the very end.

3 0
3 years ago
Read 2 more answers
Pls help me I don't understand​
frutty [35]

Answer:

d. \:  \:  \: 25 {x}^{6}

Step-by-step explanation:

Given,

Side of the square

= 5 {x}^{3}

Therefore, area of the square = side × side

=  {5x}^{3}  \times 5 {x}^{3}

= 5 \times 5 \times  {x}^{3 + 3}

= 25 {x}^{6}

8 0
2 years ago
Read 2 more answers
Please help me with this homework
snow_lady [41]

Answer:

10.44 m

Step-by-step explanation:

Solve this as a triange. The base is 3m and the perpendicular is 10m. The angle between the base and wall is 90° so it will be a right angled triangle.

Solve this by Pythagoras theorm:

let length of ladder is c

base is b

And perpendicular is a

Acc to Pythagoras theorem:

C² = a² + b²

C² = 10² + 3²

C² = 100 + 9

C² = 109

√C² = √109

C = 10.44m

8 0
3 years ago
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