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Eva8 [605]
3 years ago
7

What is 7 to the 2nd power multiplied by 7 to the 3rd power

Mathematics
2 answers:
e-lub [12.9K]3 years ago
8 0
You change 7 to the 2nd power to 49 since 7 times 7 equals 49
Then you multiply 7x7x7 which you get 343 for 7 to the 3rd power
Then you multiply 343 by 49 which you get 16,807 as the answer.

I hope this helps
inn [45]3 years ago
3 0
The answer is 16807 because 49*343 is 16807. 
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6 0
2 years ago
It is given that y is directly proportional to x. When x = 3, y = 18. (a) Find the equation connecting x and y. (b) Hence, find
guapka [62]

Answer:

see explanation

Step-by-step explanation:

(a)

Given y is directly proportional to x then the equation relating them is

y = kx ← k is the constant of proportion

To find k use the condition when x = 3, y = 18 , then

18 = 3k ( divide both sides by 3 )

6 = k

y = 6x ← equation of proportion

(b)

(i)

when x = 12 , then

y = 6 × 12 = 72

(ii)

when y = 42

42 = 6x ( divide both sides by 6 )

7 = x

8 0
3 years ago
Plz answer quick giving brainliest
dusya [7]
Simplify using FOIL 15x3+18x+10x2+12
7 0
3 years ago
Read 2 more answers
Will upvote brainiest answer and add friend
Mashcka [7]

Answer:

68°

Step-by-step explanation:

ABD is a right angle and the measure of it is 90°

m<CBD + m<ABC = m<ABD

4x + 52° + 8x - 10 = 90° add like terms

12x + 42° = 90°

12x = 48°

x = 4

m<CBD is 4x + 52° replace x with 4

4×4 + 52 = 68°

8 0
3 years ago
10k-10-6a+4a+a+0+0+0​
cluponka [151]

Answer:

simplified 10k-1a-10

Step-by-step explanation:

Simplified

5 0
3 years ago
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