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3 years ago

There are 1,525 pages in a book. Julia and Kim round the number of pages to the nearest hundred

2 answers:

7 0

1,525
In the case of rounding up, the number beside the must be above 5
But, in the case of rounding down, the number beside must be below 5.
The hundred place is the number 5.
The number before the 5 is the number 2
Since 2 is lower than 5, we round it down..
Thus the answer is 1,500

Hope this helps :))

netineya [11]3 years ago

6 0

1500 is the rounded number to the nearest hundreth

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Please help!!<br><br>Find BD

Temka [501]

Answer: $8\sqrt{2}$

==========================================================

Work Shown:

Focus entirely on triangle ABD (or on triangle BCD; both are identical)

The two legs of this triangle are AB = 8 and AD = 8. The hypotenuse is unknown, so we'll say BD = x.

Apply the pythagorean theorem.

$a^2 + b^2 = c^2\\\\c = \sqrt{a^2 + b^2}\\\\x = \sqrt{8^2 + 8^2}\\\\x = \sqrt{2*8^2}\\\\x = \sqrt{8^2*2}\\\\x = \sqrt{8^2}*\sqrt{2}\\\\x = 8\sqrt{2}\\\\$

So that's why the diagonal BD is exactly $8\sqrt{2}\\\\$ units long

Side note: $8\sqrt{2} \approx 11.3137$

6 0

3 years ago

Jack walks 2 kilometers during each trip to school. Write an equation that shows the relationship between the number of trips t

inn [45]

Happy Valentines Day!

Answer:

d = 2t

Step-by-step explanation:

The reason I say this is because it says d first followed by an equal sign which is d = and it says in the problem that he walks 2 kilometers every trip to school so it should 2t because it is 2 kilometers for one trip times how many trips he takes.

Hope This Helps :)

4 0

3 years ago

Please help, ill mark brainliest = )

ArbitrLikvidat [17]

The answer is 1.6lb is the greatest 2nd is 30oz and last is 800g

6 0

3 years ago

Find each lettered angel measure

hammer [34]

Answer:

a = 64°

b = 138.7°

Step-by-step explanation:

First, Let's find the measure a,

180° = 116° + a
180 - 116 = a
a = 64°

______

Now,

90° + a + 82° + x + x + x = 360°
90+ 64 + 82 + 3x = 360°
236 + 3x = 360
3x = 124/ 3
x = 41.3°

______

Now that we found out what x equals, let's find 'b'-

b + x = 180°
b + 41.3 = 180
b = 180 - 41.3
b = 138.7°

7 0

2 years ago

Solve 4 over x minus 4 equals the quantity of x over x minus 4, minus four thirds for x and determine if the solution is extrane

Vinil7 [7]

I'm thinking this is what the problem looks like: $\frac{4}{x-4}= \frac{x}{x-4}- \frac{4}{3}$ . The first thing to do is to move the $\frac{x}{x-4}$ over to the other side because it has a common denominator with the other side. Doing that and at the same time combining them over their common denominator looks like this: $\frac{4-x}{x-4}= -\frac{4}{3}$ . The best way to solve for x now is to cross-multiply to get 3(4-x)=-4(x-4). Distributing through the parenthesis is 12 - 3x = -4x + 16. Solving for x gives us x = 4. Of course when we sub a 4 back in for x we get real problems, don't we? Dividing by zero breaks every rule in math that there ever was! So, yes, the solution is extraneous.

6 0

3 years ago