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marishachu [46]
3 years ago
11

(+)(−)=….−…. (+)(−)=(…)−(….) ?

Mathematics
1 answer:
natali 33 [55]3 years ago
8 0

Answer:

what

Step-by-step explanation:

(+)(-)=(...)-(...)-(...)

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How far will a runner traveling at 10.6 m/s move in fifteen seconds?
natka813 [3]

Answer: 159 miles because 10.6 times 15 = 159

Hope it helps.

8 0
3 years ago
A right triangle has a hypotenuse of 10 mi. and a leg of 6 mi., what is the length of the other leg?
slava [35]

Answer:

8mi

Step-by-step explanation:

Using Pythagoras theorem

Hypotenuse square = opposite square + adjacent square.

Let the other leg be x

10 square = 6 square + x square

100 = 36 + x square

Collect like terms

X square = 100 -36

X square = 64

Find square root of both sides

X = square root of 64

X =8mi

I hope this was helpful, Please mark as brainliest

7 0
3 years ago
K=?<br><br> Can you also explain so I can try it by my self with a similar one.
Genrish500 [490]

Answer:

k = 10.39

Step-by-step explanation:

tangent 30 = opposite side / adjacent side, opposite side = 9, adjacent side = k + 3sqrt3.

tan 30 = 9/(k + 3sqrt3)

0.5774 = 9/(k + 3sqrt3)

k + 3sqrt3 = 15.5885

k =  15.5885 - 3sqrt3

k = 10.392

8 0
3 years ago
Please help...........................
Mkey [24]

Answer:

Answer 3, 8 \sum_{n=0}^{27} n

Step-by-step explanation:

If every element of the sum is multiplied by 8, we can just pull the 8 in front of the sum symbol.

8 0
3 years ago
(x4–3x2+1) divided by<br> (x-1)
fiasKO [112]
(X4-3x2+1) / X - 1

3x / X - 1

Hope it helps
:)
3 0
3 years ago
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