3 years ago

Solve for x: 3 < x + 3 < 6

Mathematics

1 answer:

sashaice [31]3 years ago

8 0

Steps to solve:

3 < x + 3 < 6

~Subtract 3 to everything

0 < x < 3

Best of Luck!

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Kristen is 64 inches tall, and she stands 12 feet away from a streetlight. If she casts an 82-inch-long shadow, how tall is the

o-na [289]

Answer:

176.39 inches or

14.70 feet

Step-by-step explanation:

Consider the right triangle made by Kristen, ground and shadow.

This triangle has one leg as 64 inches.

Next consider the right triangle formed by street light, ground upto shadow tip.

The two triangles have common angle of elevation and also another angle as 90 degrees.

Hence the two triangles would be similar

Also if A is the angle made by hypotenuse of both triangles with the ground we have

$tanx=\frac{64}{82}$

This value also equals by bigger triangle as

$tanx=\frac{h}{82+12(12)}=\frac{h}{226}$

From these two we get

h = height of street light = $\frac{226(64)}{82} =176.39$

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3 years ago

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Yuliya22 [10]

2nd subtraction property.

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3 years ago

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Fred is trying to earn $35 to buy a basketball. He has saved $11.25. He earns $2.25 per hour doing yard work for his neighbor, a

rjkz [21]

$2.25y + 7.25z + 11.25 \geq 35 \\ y = 2 \\ z = 3 \\ 2.25(2) + 7.25(3) + 11.25 \geq 35 \\ 4.50 + 21.75 + 11.25 \geq 35 \\ 37.5 \geq 35$
The answer will be the third one: Yes, because the total will be $37.50.

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3 years ago

(0.2m^2n)^3 *1000m^4n^7<br> simplify

mina [271]

Answer: 8m^10n^10

Thats the answer i hope i was helpful!

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3 years ago

PLEASE HELP ME!! I WILL GIVE YOU BRAINLIEST

jekas [21]

Answer:

Use $a^{2} +b^{2} = c^{2}$

3. 13.9 km

4. 40 in

Step-by-step explanation:

Use Pythagorean theorem to solve side lengths!

3. $7^{2} +12^{2} = 193$

$\sqrt{193} = 13.89244399$

4. $24^{2} +32^{2} = 1600$

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3 years ago