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KiRa [710]
3 years ago
8

Two vehicles, each moving from a point in a straight line away from each other at an angle, are 150 feet apart after 6 second. B

oth are moving at a constant rate, vehicle A at 50 feet per second and vehicle B at 40 feet per second.how far apart are they after 15 seconds
Mathematics
1 answer:
kumpel [21]3 years ago
7 0

Need more information

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Divide this polynomial:)
lutik1710 [3]

Answer:

The answer is 3x^2-4x-4+1/2x-1

Step-by-step explanation:

Hope this helps, and sorry if it's wrong.

8 0
2 years ago
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The measures of two complementary angles have a ratio of 1:2 what is the measure of each angle
mamaluj [8]

The two angles are 30 degrees and 60 degrees

<em><u>Solution:</u></em>

Given that,

The measures of two complementary angles have a ratio of 1 : 2

Let the one of angle be 1x

Let the other angle be 2x

We know that,

Sum of two complementary angles is 90 degrees

Therefore,

1x + 2x = 90

3x = 90

Divide both sides by 3

x = 30

<em><u>Therefore, measure of each angles is:</u></em>

One angle = 1x = 30

Other angle = 2x = 2(30) = 60

Thus the two angles are 30 degrees and 60 degrees

6 0
3 years ago
Can someone help me with this. Thank you.
vovangra [49]

Answer:

All are true

Step-by-step explanation:

2) True

3) True

4) True

6 0
2 years ago
Read 2 more answers
c) There are 32 students in a class. If the ratio of the number of boys and girls is 5:3, find the number of boys and girls. ​
stepladder [879]

Answer:

The no. of boys = 20

The no. of girls = 12

Step-by-step explanation:

Ratio of no. of boys to girls = 5 : 3

[5 multiplied with something, and 3 multiplied with something, added together makes 32.Thus, that something = x]

5x + 3x = 32

= 8x = 32

=x = 32÷8 = 4

5x = 5 x 4 = 20

3x = 3 x 4 = 12

5 0
2 years ago
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In this exercise, we estimate the rate at which the total personal income is rising in a metropolitan area. In 1999, the populat
DiKsa [7]

Answer:

the rate at which total personal income was rising in the area in 1999 is $1,580,507,200 billion

Step-by-step explanation:

From the given information:

Let consider y to represent the number of years after 1999

Then the population in time (y) can be expressed as:

P(y) = 9400y + 924900

The average annual income can be written as:

A(y) = 1400y + 30388

The total personal income = P(y)  ×  A(y)

The rate at which the total personal income is rising is T'(y) :

T'(y) = P'(y)  ×  A(y)  + P(y)  ×  A'(y)

T'(y) = (9400y + 924900)' (1400y + 30388) + (9400y + 924900) (1400y + 30388)'

T'(y) = 9400(1400y + 30388) + (9400y + 924900) 1400

Since in 1999 y =0

Then:

T'(0) = 9400(1400(0) + 30388) + (9400(0) + 924900) 1400

T'(0) = 9400(30388) + (924900)1400

T'(0) = $1,580,507,200 billion

Therefore; the rate at which total personal income was rising in the area in 1999 is $1,580,507,200 billion

8 0
3 years ago
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