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zubka84 [21]
2 years ago
10

Two jets simultaneously started traveling in opposite directions from the same airport. Four hours later they were 3800 miles ap

art. Find the rate of each plane if one of them traveled 80 miles per hour faster than the other.
Mathematics
1 answer:
Basile [38]2 years ago
7 0

Step-by-step explanation:

the slower plane traveled x miles in 4 hours.

the faster plane traveled x + 4×80 = x + 320 miles in 4 hours.

so,

x + x + 320 = 3800 miles

2x =3480 miles

x =1740 miles (in 4 hours) .

that means the slower plane's speed was 435 mph.

and the faster plane's speed was 435 + 80 = 515 mph.

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Area =  (h/2)(a +b)

where h = distance between the 2 parallel line segments  and a and b are the lengths of these 2 line segments.
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2 years ago
if 22000 pots with 15 seeds each are used in a nursery, how many total seeds, in scientific notation?
kipiarov [429]

Write the total number of seeds in scientific notation

Given:

Number of pots = 22,000

Number of seeds = 15

<em>Total number of seeds = Number of pots × Number of seeds</em>

= 22,000 × 15

= 330,000

Scientific notation is written in multiples of 10

  • Count the number of digits
  • Insert a decimal point between the first digit and other digits
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= 3.30000 × 10^5

Therefore,

the total number of seeds in

scientific notation is 3.30000 × 10^5

Read more:

brainly.com/question/10401258

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2 years ago
I need help on saxon math algebra 1 lessons 36-40 can you please help me ,
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2 years ago
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Which fraction is equal to 30%
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Answer:

Step-by-step explanation:

\frac{30}{100}=\frac{3}{10}

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3 years ago
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I need help with this question ASAP ! ASAP!!!!!! PLEASE!
irina1246 [14]

Answer:

One Triangle = 2.09 in²

Two Triangles = 4.18 in²

Rectangle = 17.48 in²

Total area of whole trapezoid = 21.66 in²

Step-by-step explanation:

Since it was not clarified which region is shaded we will just find the area of each individual part of the shape.

Let's start with the triangles.

1. To find the area of a triangle, the formula is  \frac{1}{2} b*h. It is given that the base of one triangle is equal to 1.1 in and the height is equal to 3.8 in., so in the equation, it would look like:

\frac{1}{2} * 1.1 * 3.8 = 2.09 in²

2. So now that we know one triangle is equal to 2.09 in², we now know that the other triangle is equal to the same area. To find the total of the two triangles you need to multiply the area by 2:

2.09 *2=4.18 in²

Moving on to the rectangle...

1. To find the area of the rectangle we need to use the formula base times height or b x h. It is given that the height is 3.8 in while the length is 4.6 in. So in the equation it would look like:

4.6 * 3.8 = 17.48 in²

Now to find the total area of all shapes combined...

1. To do this, we just need to add up all the areas we found, so...

17.48 + 4.18 = 21.66 in²

3 0
2 years ago
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