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olga nikolaevna [1]
3 years ago
8

7 minutes left and im dead and im only at the 4th question, help?

Mathematics
2 answers:
sattari [20]3 years ago
6 0

Answer:

angle T = angle D

Tomtit [17]3 years ago
4 0

Answer:

taking back my points

Step-by-step explanation:

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If the two legs of the right triangle are 5
yanalaym [24]

Answer:

hope this might be useful

4 0
3 years ago
im confused with this please help i dont get any answers, it is about rounding, not sure why this question is confused
Shkiper50 [21]

Step-by-step explanation:

<u>13,789:</u>

Tens: 13,790

Hundreds: 13,800

Thousands: 14,000

Ten thousands: 10,000

<u>24,173:</u>

Tens: 24,170

Hundreds: 24,200

Thousands: 24,000

Ten thousands: 20,000

<u>861,630:</u>

Tens: 861,630

Hundreds: 861,600

Thousands: 862,000

Ten thousands: 860,000

7 0
2 years ago
Will give brainliest
Daniel [21]

Answer:b

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
A rectangular park has an area of 64 square yards. If we multiply its length and width by 12, what will be the area of the new r
erma4kov [3.2K]
The area of the rectangle would be 768
7 0
3 years ago
Read 2 more answers
A King in ancient times agreed to reward the inventor of chess with one grain of wheat on the first of the 64 squares of a chess
statuscvo [17]
Let's start by visualising this concept.

Number of grains on square:
1   2   4   8   16 ...

We can see that it starts to form a geometric sequence, with the common ratio being 2.

For the first question, we simply want the fifteenth term, so we just use the nth term geometric form:
T_n = ar^{n - 1}
T_{15} = 2^{14} = 16384

Thus, there are 16, 384 grains on the fifteenth square.

The second question begs the same process, only this time, it's a summation. Using our sum to n terms of geometric sequence, we get:
S_n = \frac{a(r^{n} - 1)}{r - 1}
S_{15} = \frac{2^{15} - 1}{2 - 1}
S_{15} = 2^{15} - 1 = 32767

Thus, there are 32, 767 total grains on the first 15 squares, and you should be able to work the rest from here.
6 0
3 years ago
Read 2 more answers
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