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mr_godi [17]
3 years ago
12

A car rental company charges $19.99 per day and $0.17 per mile. Write an expression that gives the total cost in dollars to rent

a car for d days and m miles.
I WILL GIVE BRAINLIEST TO THE BEST ANSWER
Mathematics
1 answer:
pantera1 [17]3 years ago
6 0
Answer= 19.99d + 0.17m
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PT = 7x + 8 and TQ = 9x - 6
erastova [34]

Answer:

t is 7

Step-by-step explanation:

i did it

4 0
3 years ago
What is -3/4 + p=1/2
julia-pushkina [17]
-3/4 + p = 1/2
p = 1/2 + 3/4
p = 2/4 + 3/4
p = 5/4 or 1 1/4
8 0
3 years ago
Read 2 more answers
I reallyy need help on this!<br> Thank you in advance
sattari [20]

Answer:828.96m^2

Step-by-step explanation:

radius(r)=8m

L=25m

π=3.14

total surface area of cone(tsa)=πxr^2+πxrxL

Tsa=3.14x8^2+3.14x8x25

Tsa=3.14x8x8+3.14x8x25

Tsa=200.96 + 628

Tsa=828.96

3 0
3 years ago
The sum of three consecutive natural numbers is 540, find the numbers.
vladimir1956 [14]

Answer:

179, 180, 181

Step-by-step explanation:

a +a +1 +a +2 =540

3a +3 =540

3a =540 - 3

3a=537

a=537 :3

a=179 (the first number

b=179 +1 =180 (the second number

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5 0
3 years ago
9.4 The heights of a random sample of 50 college stu- dents showed a mean of 174.5 centimeters and a stan- dard deviation of 6.9
gladu [14]

Answer:  a) (176.76,172.24), b) 0.976.

Step-by-step explanation:

Since we have given that

Mean height  = 174.5 cm

Standard deviation = 6.9 cm

n = 50

we need to find the 98% confidence interval.

So, z = 2.326

(a) Construct a 98% confidence interval for the mean height of all college students.

x\pm z\times \dfrac{\sigma}{\sqrt{n}}\\\\=(174.5\pm 2.326\times \dfrac{6.9}{\sqrt{50}})\\\\=(174.5+2.26,174.5-2.26)\\\\=(176.76,172.24)

(b) What can we assert with 98% confidence about the possible size of our error if we estimate the mean height of all college students to be 174.5 centime- ters?

Error would be

\dfrac{\sigma}{\sqrt{n}}\\\\=\dfrac{6.9}{\sqrt{50}}\\\\=0.976

Hence, a) (176.76,172.24), b) 0.976.

8 0
3 years ago
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