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grin007 [14]
4 years ago
6

A map key shows it that every 5 inches on the map represents 200 miles of actual distance suppose the distance between the two c

ities on the map is 7 inches what is the actual distance between the two cities
Mathematics
1 answer:
Artist 52 [7]4 years ago
8 0

Answer:

280

Step-by-step explanation:

200/5= 40

40 x 7= 280

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From the beginning of the day the temperature rose 15° so that by 4 pm it was 87°. What was the temperature at the start of the
myrzilka [38]

If it rose to 15 you should do 87+15 because it was higher

5 0
3 years ago
out of of are 40 students, 15 are on the student council. what percent of the students are NOT on the student council?
saw5 [17]

40-15=25 students not on student council

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multiply by 100 to get percent

62.5% of students are not on student council

Estimating:

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6 0
3 years ago
Determine the length of the chord that is 8 inches from the center of a circle with a radius of 17 inches?
OLEGan [10]

Answer:

30 in

Step-by-step explanation:

See attached image.

The length of AB is 17 (radius).  The length of AC is 8 (given info).

AC splits segment BD in half, so point C is the midpoint of segment BD.

AC is perpendicular to the chord, so triangle ABC is a right triangle.  You now have a right triangle with a leg of length 8 and hypotenuse of lenght 17.

The Pythagorean Theorem:  (leg)^2 + (leg)^2 = (hypotenuse)^2.

8^2+(BC)^2=17^2\\\\64+(BC)^2=289\\\\(BC)^2=225\\\\BC=\sqrt{225}=15

That's half the length of the chord, so double that to get 30 inches for the full length of the chord BD.

6 0
3 years ago
Please help worth 20 points! (this is legit my math grade .-.)
Natasha2012 [34]

Answer:

Step-by-step explanation:

a true

b false

5 0
3 years ago
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Sindrei [870]
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