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Oduvanchick [21]
4 years ago
10

I kinda need help nah I definitely need help

Mathematics
1 answer:
xxMikexx [17]4 years ago
4 0

Answer:

<BCD = 128, <ECD = 52

Step-by-step explanation:

(3x + 5) + (x + 11) = 180

4x + 16 = 180

4x = 164

x = 41

<BCD is complimentary to <ACE which is (3x + 5). (3 * 41 + 5) = 128

<ECD is complimentary to <ACB which is (x + 11). (41 + 11) = 52.

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Veronika [31]
I am pretty sure it is (a) because 9 and 15 and 3 and 6 can be all divided by 3
4 0
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A barn has 11 heads and 36 legs. How many are chicks and how many are pigs
Helen [10]

answer is 7 pigs and 4 chicks

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chicks' legs =  4 x 2 = 8

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7 0
3 years ago
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Rewrite 3x + 4y = 10 using function notation
Contact [7]
A function notation is expressed as f(x) = ax^b + cx^d + ..... where f(x) is equal to y, In this case, to r<span>ewrite 3x + 4y = 10 using function notation, we rearrange the statement and express in terms of x only. Hence

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3 0
4 years ago
Let see if this work
allochka39001 [22]

Answer:

i really dont know what you are saying, but thanks for the points and have a nice day! always smile peeps!

3 0
3 years ago
A satellite can move at 17,000 miles per hour. How many hours will it take to reach a star that is three light years away? Recal
babunello [35]
First convert the distance to miles 

<span>9.5 × 10^12 km x 0.62 miles/km </span>
<span>= (0.62 × 9.5) x 10^12 miles </span>
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<span> we want to triple that, because it is 3 light years (not just 1): </span>
<span>3 x 5.9 × 10^12 miles </span>
<span>≈ 18 × 10^12 miles </span>
<span>≈ 1.8 × 10^13 miles </span>

<span>Next divide by the speed to get the time (in hours). </span>
<span>t = 1.8 × 10^13 miles / 17000 miles/hour </span>

<span>convert the speed to scientific notation: </span>
<span>t = 1.8 × 10^13 / 1.7 x 10^4 </span>

<span>t = (1.8 / 1.7) × (10^13 / 10^4) <-- when dividing powers with the same base, subtract the exponents </span>
<span>t ≈ 1.1 × 10^9 </span>

<span>convert that back to standard notation. </span>

<span>Answer: </span>
<span>1,100,000,000 hours (P.S. That is about 120,000 years).
Hope this helps!!!</span>
4 0
4 years ago
Read 2 more answers
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