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otez555 [7]
2 years ago
11

Multiply 2.3. (-1.2)​

Mathematics
1 answer:
JulsSmile [24]2 years ago
4 0

Answer:

-2.76

Step-by-step explanation:

2.3x(-1.2)

= -2.76

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Jimmy is riding his bike at a speed of 5.5m/s. how long will it take him to go 2 miles?
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Rate = 5.5 miles/s

Time to reach 2 miles
2 / 5.5
0.364 s

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3 years ago
Jane is going to walk once around the edge of a rectangular park. The park is 300 yards long and 200 feet wide. How far will Jan
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Jane will walk 2200 feet 
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Read 2 more answers
I need help with this so can someone please help me
slava [35]

9514 1404 393

Answer:

  • 16x
  • -4x +4
  • 8x +8
  • 8x

Step-by-step explanation:

Like terms are ones with the same variable (or set of variables). Here, any x-terms are "like" terms. They are combined by adding their coefficients.

  4x +4x +4x +4x = x(4+4+4+4) = 16x

  -7x +4 +3x = x(-7+3) +4 = -4x +4

  3x +5x +8 = x(3+5) +8 = 8x +8

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3 0
2 years ago
A ladder is leaning up against a 17 foot Wall at an angle of elevation of 37°. How far is the foot of the latter from the wall?
inn [45]
This is the concept of trigonometry, the distance from the foot of the ladder will be given by:
tan theta=[opposite]/[adjacent]
opposite=17 ft
adjacent=x ft
theta=37°
thus
tan 37=17/x
x=17/tan 37
x=22.56 ft
=22.6 ft (to the nearest 10th of a foot)

6 0
3 years ago
A Ferris wheel rotates 9π/8 radians prior to making a stop. The total height of the Ferris wheel is 246 ft. How far around did t
WARRIOR [948]

Answer:

The ferris wheel travelled 434.717 ft.

Step-by-step explanation:

Assuming that the ferris wheel is a perfect circle, then it's height is the same as the diameter of the circle, therefore it's radius is:

radius = height/2 = 246/2 = 123 ft

The distance travelled by the ferris wheel is the same as the length of the arc created by a angle of (9pi/8). The length of an arc is given by:

length = r*(angle in radians)

length = 123*(9pi/8)

length = 434.717 ft

The ferris wheel travelled 434.717 ft.

5 0
2 years ago
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