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ANTONII [103]
3 years ago
12

I NEED HELP ASAP PLEASE​

Mathematics
1 answer:
nataly862011 [7]3 years ago
4 0

Answer: x = 9

Step-by-step explanation:

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Please Show Work
leonid [27]

Answer:

1] B

2] C

Step-by-step explanation:


7 0
4 years ago
GIVING 100 POINTS!!! An observer (O) is located 900 feet from a building (B). The observer notices a helicopter (H) flying at a
slamgirl [31]

Answer:

1035.33 feet

Step-by-step explanation:

OBH is a triangle and the sum of the angles of a triangle = 180

∠OBH = 90°

∠OHB = 180 -(49 + 90) = 41°

The law of sines that the ratio of each side of a triangle to the sin of the angle opposite it is the same

Thus

A/sinα  = B/sinβ = C/sinγ

where A, B and C are the three sides of the triangle and α, β, γ corresponding respectively to the angles opposite them.

Using the law of sines  

\frac{OB}{sin 41}  = \frac{BH}{sin49}

Therefore BH which is the height the helicopter is flying at is

BH = OB \frac{sin49}{sin41}

≈   1035.33 feet

8 0
2 years ago
Read 2 more answers
A person came to work at 7:30am went out at 11:45am had lunch came in at 12:30pm and left at 5:15pm. How many hours did this per
Julli [10]

Answer:

9 hours

Step-by-step explanation:

if they came in at 7:30 a.m and leaves at 11:45 a.m they have been there for 4 hours and 15 minutes.

If they arrive at 12:30 p.m and leave at 5:15 p.m they have been there for 4 hours and 45 minutes

so in total they have been there for 9 hours

3 0
3 years ago
I don't get this answer someone plz help out
tangare [24]
1) we calculate the total cost of all items:

Total cost=27 * $1.25 + 5 *1.99$ + 1*1.5$=$33.75 + $9.95 + $1.5=$45.2

2)we express the total cost in cents:
$1=100 cents

$45.2=$45.2 * (100 cents /$1)=4520 cents.

3)we divide 4520 cents  among the number of pupils

Each student will pay=4520 cents / 26 =173.84... cents≈174 cents.

Answer: Each student will pay 174 cents.
6 0
3 years ago
Megan uses a pedometer to find how many steps she takes each day. She took 32,410 steps over the course of 5 days. She took the
Kruka [31]
Megan walked about 3 miles on Monday because if you divide 32,410 by 5 you receive 6,482 then, you would find out how many inches are in a mile which is 63,360 in one mile. After, you would multiply 6,482 by 63,360 and you would receive 410,699,520 but you would divide 410,699,520 by 63360  because there is that many inches in a mile and recieve 2.86 and other numbers so you round up and it is 3 miles sorry if I confuse you I can't explain well. But it is 3 miles

3 0
4 years ago
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