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garik1379 [7]
3 years ago
9

Diego takes more than twice as long to assemble a computer as Kenneth does. Kenneth assembles a computer in 24 minutes. If Diego

takes x minutes to assemble a compute, which inequality represents this situation?
A) x < 12 B) x < 24 C) x > 12 D) x > 48
Mathematics
1 answer:
Anastasy [175]3 years ago
6 0
The answer to this problem is D<span />
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Sabrina rides her bike 2 miles to school each day she leaves her house 7:30 and arrives at 7:50 What is Sabrina's average speed
MakcuM [25]

6 mph.

To find this, create a ratio.

2/20 = x/60

This will allow you to compare here time of twenty minutes to an hour in the same context.

Multiply 2 by 60 and divide by 20 to get the answer of 6 mph.

Thus, Sabrina's average speed in miles per hour is six miles per hour.

Hope this helps!

7 0
2 years ago
A bag contains the following marbles: 5
Inessa [10]

Answer:

5:20

Step-by-step explanation:

There are 5 black marbles and 20 brown marbles.

You would put black marbles (5) first, because it came before brown (20) in the list.

5 0
3 years ago
Read 2 more answers
5th grade math. Correct answer will be marked brainliest.
dybincka [34]

Answer:

Trevor read 157.5 pages this week.

Step-by-step explanation:

Simple multiplication.

Multiply 5 by 5 first to get 25, carry the 2 on top and then multiply 3 by 5 to get 15, make sure to add 2 to get 17.  The first line should be 175.

Put a 0 on the last digit to solve for the next digit.  Multiply 4 by 5 to get 20, carry the 2 on top and then multiply 3 by 4 to get 12, make sure to add 2 to get 14.  The second line should be 1400.

Add the numbers up to get 1575, since there is one number behind the decimal, you should put a decimal in front of the last 5 for the answer in which it is 157.5.

7 0
2 years ago
The distribution of passenger vehicle speeds traveling on a certain freeway in California is nearly normal with a mean of 73.7 m
Schach [20]

Answer:

A) 90.32%

B) 90.11%

C) 81.546 miles per hour

D)77.93%

Step-by-step explanation:

Given data:

speed  = 73.7 miles/hour

standard deviation = 4.77 miles /hour

a) P(X< 80) = P(z< \frac{80 - 73.7}{4.77}

                   = P (z< 1.31)

                   = 0.90320  = 90.32%

b) P(60 < X< 80) = P(\frac{60 - 73.7}{4.77} < z< \frac{80 - 73.7}{4.77})

                   = P (-2.872< z< 1.31)

                   = P (z<1.31) - P(z<-2.87)

                   = 0.90320 - 0.00205

                   = 0.90115  = 90.11%

c) P(X <X) = 0.95

    z = 1.645

\frac{x - 73.7}{4.77} = 1.645

x = 81.546  miles per hour

d)P(X< 70) = P(z> \frac{70 - 73.7}{4.77})

                   = P (z> -0.775)

                   = 0. 0.7793  = 77.93%

4 0
3 years ago
Adelle solved the equation 4x/7-6=-20 as shown.
yarga [219]

Step-by-step explanation:

hm

isnt is supposed to be x = -5

4x/7-6 = -20

4x/1 = -20

4x =-20

x = -5

6 0
2 years ago
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