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Soloha48 [4]
3 years ago
9

Which statement is true about the graphs of the two lines y=-8x - 5/4 and y=1/8x +4/5 ?

Mathematics
2 answers:
Yanka [14]3 years ago
7 0
The first option is the correct answer.
riadik2000 [5.3K]3 years ago
6 0
The lines are perpendicular to each other because -8 and 1/8 are opposite reciprocal of each other. <span />
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A proper fraction never has the same value as a mixed number.true or false
Savatey [412]
True because one has a whole number the other is less then a whole number hope this helped ya :)
8 0
3 years ago
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The four vertices of a rectangle drawn on a complex plane are defined by 1 + 4i, -2 + 4i, -2 – 3i, and 1 – 3i. The area of the r
kompoz [17]
The rectangle is 1-(-2) = 3 units in the real direction and 4i-(-3i) = 7 units in the imaginary direction. Its area is 3×7 = 21 square units.
7 0
3 years ago
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In 2005 the population of a district was 35.700 with a continuous annual growth rate of approximately 4%, what will the populati
denpristay [2]

Given:

Population is 2005 = 35,700

growth rate = 4% = 0.04

To find:

The population in 2030.

Solution:

The general exponential growth model is

y=a(1+r)^t

where, a is initial value, r is growth rate and t is time in years.

Let the initial year is 2005. So, number of years between 2005 to 2030 is

2030-2005=25

Putting a=35,700, r=0.04 and t=25 in the above model.

y=35,700(1+0.04)^{25}

y=35,700(1.04)^{25}

y=35,700(2.665836)

y=95170.3452

Approximate the value to the nearest whole number.

y\approx 95,170

Therefore, population of the district will be about 95,170.

8 0
3 years ago
PLZ HELP! 10 points
garri49 [273]

Answer:

i believe it is y=4x+1

Step-by-step explanation:

y intercept is 1, slope is up 4 over 1

sorry if im wrong, hope this helps :)

5 0
3 years ago
Select the correct answer from each drop-down menu.
Rufina [12.5K]

Incomplete question. The completed question reads;

The Northville School Board has proposed this budget for the upcoming school year:

20% for school staff’s salaries

50% for school maintenance and upkeep

10% to refurbish the gymnasium

5% to upgrade the computer lab hardware

10% for new instruments for the music department

5% for new sports equipment

After a brief discussion, the school board revised the budget as follows:

20% for school staff’s salaries

50% for school maintenance and upkeep

10% to refurbish the gymnasium

10% to upgrade the computer lab hardware

5% for new instruments for the music department

5% for new sports equipment

In this case, the opportunity cost for (refurbishing the gym, upgrading the computer lab, or getting new instruments.) was ( upgrading the new computer lab hardware, getting new equipment, or getting new instruments?

Answer:

<u>getting new instrument</u>

Explanation:

Note that the term opportunity cost refers to the value or the cost of not selecting/benefitting from the other alternative option.

Comparing both budgets, it is observable that the budget for computer lab hardware was increased by 5%; and that of musical instruments was reduced by 5% according to The Northville School Board order of preference (importance).

Thus, we can say that the board decided to forgo some of the amount spent on musical instruments, but decided to increase spending on computer hardware.

8 0
3 years ago
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