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2 years ago

Is it greater than, Less than, or equal to?

Mathematics

2 answers:

frosja888 [35]2 years ago

5 0

The answer is greater than

FinnZ [79.3K]2 years ago

4 0

its greater bc 7.75 = 7 75/100 = 7 3/4

a whole 7 more

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The time it takes you to get to campus varies inversely as your driving rate. averaging 20 miles per hour in terrible traffic,

Korvikt [17]

Given that the time taken to get to campus is inversely proportional to driving rate, let the time be t and rate be r, thus the function will be written as:'
t=k/r
where
k is the constant of proportionality given by:
k=tr
when r=20 mph, t=1.25 hrs
thus
k=20×1.25
k=25 miles
thus the formula is:
t=25/r
when r=55 mph, the value of t will be:
t=25/55
t=5/11 hours

3 0

2 years ago

HELP ME IM TERRIBLE AT THIS

OLEGan [10]

Answer:

a. $14.50

b. $43.5

Step-by-step explanation:

a. $7.00 + $7.50 = $14.50

b. y = 14.5x x=3

y = $14.5 x 3 = $43.5

8 0

2 years ago

Show the reflection of the given points.Locate the points of the reflection in their proper position around the x-axis

amid [387]

Answer: I believe this is it

4 0

2 years ago

An art history professor assigns letter grades on a test according to the following scheme.A: Top 5% of scoresB: Scores below th

adoni [48]

Answer:

Grade B score:

$76 \leq x \leq 89$

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 73.3

Standard Deviation, σ = 9.7

We are given that the distribution of score on test is a bell shaped distribution that is a normal distribution.

Formula:

$z_{score} = \displaystyle\frac{x-\mu}{\sigma}$

B: Scores below the top 5% and above the bottom 62%

We have to find the value of x such that the probability is 0.62

$P( X > x) = P( z > \displaystyle\frac{x - 73.3}{9.7})=0.62$

$= 1 -P( z \leq \displaystyle\frac{x - 73.3}{9.7})=0.62$

$=P( z \leq \displaystyle\frac{x - 73.3}{9.7})=0.38$

Calculation the value from standard normal z table, we have,

$\displaystyle\frac{x - 73.3}{9.7} = 0.305\\\\x = 76.26$

We have to find the value of x such that the probability is 0.05

$P(X < 0.95) = \\\\P( X < x) = P( z < \displaystyle\frac{x - 73.3}{9.7})=0.95$

Calculation the value from standard normal z table, we have,

$\displaystyle\frac{x - 73.3}{9.7} = 1.645\\\\x = 89.26$

Thus, the numerical value of score to achieve grade B is

$76 \leq x \leq 89$

7 0

2 years ago

a copy machine can print 810 copies every 9 minutes. A laser printer printed 1,350 copies. How long did it take to print?

Gre4nikov [31]

Answer:

Step-by-step explanation: You would think 15. 810 copies every 9, minutes. Nine divided by 810 equals 90. 90 copies every minute. 1,350 divided by 90 is fifteen. =fifteen.

5 0

2 years ago

Read 2 more answers