2 years ago

The students in Ms. Dodd's class recorded the height in feet of palm trees on school property. Their heights were as follows:

Mathematics

1 answer:

dlinn [17]2 years ago

8 0

Answer:

Step-by-step explanation:

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In a right triangle, Sin (30 + x) º = Cos (3x) º. What is the value of x?

pogonyaev

Answer:

$x=15^\circ$

Step-by-step explanation:

In a right triangle:

$\sin \theta =cos(90^\circ-\theta) $ (Complementary angles)$

Therefore, given:

$Sin (30 + x) \º = Cos (3x) \º\\30+x+3x=90^\circ\\30+4x=90^\circ\\4x=90^\circ-30^\circ\\4x=60^\circ\\$Divide both sides by 4\\x=15^\circ$

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3 years ago

4. A map has a scale of 1 inch = 100 miles. The distance between two cities is 7.25 inches. If a car travels

motikmotik

Answer:

14.5 hours/14 hours 30 minutes

Step-by-step explanation:

The distance between the two cities is 7.25•100=725 because you multiply the scale distance by the scale.
The number hours is 725/50=14.5 hours because you divide the distance by 50 (the miles per hour).

4 0

3 years ago

4x + 3.5x=180. How do you solve it

Grace [21]

4+3.5=7.5
7.5x =180
180/7.5
=24 (answer)

8 0

3 years ago

Please solve the whole page

Levart [38]

Answer:

1. 3/20

2. 76/4

3. 16

4. 1/8

5. 11/1

6. 2.5/1

7. 13/1

8. 255/1

9. 20, 140, 240

10. 3.5, 17.5, 31.5

11. 12

12. 2

6 0

2 years ago

At a grocery store 4.5 pounds of meat cost $14.67. What is the cost of the meat per pound?

Elan Coil [88]

Answer:

$3.26

Step-by-step explanation:

If 4.5 pounds cost $14.67

You divide 14.67 by 4.5 which gives you 3.26

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2 years ago