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enot [183]
3 years ago
12

Please answer this question now

Mathematics
1 answer:
soldier1979 [14.2K]3 years ago
7 0

Answer:

6 km

Step-by-step explanation:

You use Pythagoras

{QN}^2 = (PN)^{2}+(PQ)^{2} \\PQ = \sqrt{(QN)^{2}-(PN)^{2}  }\\ PQ = 6 km

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(x+5)(x+1)+(x+5)(x+8)
gtnhenbr [62]

Answer:

2x² + 19x + 45

Step-by-step explanation:

(x + 5)(x + 1) + (x + 5)(x + 8) ← expand both sets of factors using FOIL

= x² + 6x + 5 + x² + 13x + 40 ← collect like terms

= 2x² + 19x + 45

5 0
2 years ago
Helpppp please please THIS IS TIMED NO LINKS or I will report YOUU I WILL MARK BRAINLIEST Please give me an explanation
Mars2501 [29]

Answer:

14800

Step-by-step explanation:

Area of trapezoid = A=\frac{a+b}{2}h

Using the formula above, our equation will look like this:

\frac{145 + 225}{2} * 80 = 14800

145 + 225 = 370

370/2 = 185

185 * 80 = 14800

PLZ GIVE BRAINLIEST

6 0
2 years ago
If the simple interest on $6,000 for 9 years is $4,320, then what is the interest rate?
MaRussiya [10]

Answer:

6.48%

Step-by-step explanation:

the rule of the simple interest is:

I=PRT

but here we want the rate, and we have I and P and T

so put the rate on 1 side, and all the given numbers in other side

the rule will be like this:

R=I/PT

R=4320/6000×9

R=6.48%

4 0
3 years ago
Find three consecutive integers such that three times The largest increased by two is equal to five times the smallest increased
rosijanka [135]
a,a+1,a+2-\ three\ consecutve\ integers\\\\
3*(a+2)+2=5*(a+3)+3(a+1)\\\\
3a+6+2=5a+15+3a+3\\\\
3a+8=8a+18\ \ \ | subtract\ 3a\\\\
8=5a+18\ \ \ \ | subtract\ 18\\\\
-10=5a\ \ \ \ | divide\ by\ 5\\\\
a=-2\\\\Numbers\ are:\ \ -2,-1,0

7 0
3 years ago
Helppppppppp pleaseeeeeeeeeee
djyliett [7]

Answer:

ok

Step-by-step explanation:

5 0
3 years ago
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