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Vinil7 [7]
4 years ago
12

Write the product in standard form. ( 4 + 7i)( 7 + 7i)

Mathematics
1 answer:
Helen [10]4 years ago
7 0
The answer is a) -21 - 77i
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nine friends measured their pinky size to the nearest 1/4 inch what is the combined length of the longest snd shortest finger​
Slav-nsk [51]

Answer:

lol my pp is 1/4 inch

Step-by-step explanation:

5 0
3 years ago
The ratio of women to men on a congressional committe is 5:2. If there are 21 total members on the committe, how many are women.
WARRIOR [948]

Answer:

5:2 21 i guess you divide

not so good at ratios

3 0
3 years ago
What is a square plus b square equal c square
evablogger [386]
That is the Pythagorean’s theorem, used to find the largest side on a right (90 degree) triangle.
4 0
3 years ago
What is the value of k?​
ELEN [110]

Answer:

10°

Step-by-step explanation:

According remote interior angles, 4k + 5 + 6k + 10 = 115.

10k + 15 = 115

10k = 100

k = 10

Hope this helps :)

Have a nice day!

4 0
3 years ago
Read 2 more answers
A rectangular parking lot has a perimeter of 820ft. The area of the Parking lot measures 42000 ft2. What is the width of the par
quester [9]
2W + 2L = 820 
<span>LW = 42,000 or L = 42,000/W </span>
<span>substitute second equation into first equation: </span>
<span>2W + 2(42,000/W) = 820 </span>
<span>2W + 84,000/W = 820 </span>
<span>2W^2/W + 84,000/W = 820W/W </span>
<span>2W^2 - 820W + 84,000 = 0 </span>
<span>quadratic formula: </span>
<span>W = [820 +/- SQR(672,400 - 4(2)(84,000))]/2(2) </span>
<span>W = [820 +/- 20]/4 </span>
<span>W = 200, 210 </span>
<span>using second equation: </span>
<span>L = 42,000/200, 42,000/210 = 210, 200 </span>
<span>The dimensions of the parking lot are 200ft by 210ft.</span>
3 0
4 years ago
Read 2 more answers
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