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elena55 [62]
3 years ago
8

If C(5,-5) and D(7,3) then what is the length of CD? Round to the nearest tenth

Mathematics
2 answers:
Firdavs [7]3 years ago
8 0

<em>the</em><em> </em><em>right</em><em> </em><em>answer</em><em> </em><em>is</em><em> </em><em>√</em><em>6</em><em>8</em><em> </em><em>units</em><em>.</em><em>.</em><em>.</em>

<em>ple</em><em>ase</em><em> </em><em>see</em><em> </em><em>attached</em><em> </em><em>picture</em><em> </em><em>for</em><em> </em><em>full</em><em> solution</em>

<em>h</em><em>ope</em><em> </em><em>it</em><em> </em><em>helps</em>

<em>g</em><em>ood</em><em> </em><em>luck</em><em> on</em><em> your</em><em> assignment</em>

<em>Stay</em><em> </em><em>safe</em>

weqwewe [10]3 years ago
6 0
(x1-x2)^2+(y1-y2)^2开根号
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A mail carrier can deliver mail to 36 houses in 30 minutes. Mark wants to determine how many houses the carrier can deliver mail
sergey [27]

Answer:

Mark’s method is correct, because even though it is impossible to deliver mail to 1.2 houses in a minute, 1.2 represents the unit rate of houses per minute.

Step-by-step explanation:

Let's rule out the options given one by one.

Option 1: Mark’s method is wrong, because it is impossible to deliver mail to 1.2 houses in a minute. The carrier can only deliver to a whole number of houses.

This is not true, because 1.2 is a rate, it just means that the carrier can finish 1 house in a minute, and also have time to get started delivering to the second house. The total number of houses has to be a whole number, but the rate doesn't.

Option 2: Mark’s method is wrong, because it is impossible to deliver mail for 7.5 minutes. The carrier can only deliver mail for a whole number of minutes.

This option is also incorrect. Delivering mail for 7.5 minutes just means 7 minutes and 30 seconds, which is definitely possible.

Option 3: Mark’s method is correct, because even though it is impossible to deliver mail to 1.2 houses in a minute, 1.2 represents the unit rate of houses per minute.

This option is correct. 1.2 is the rate of which the carrier delivers mail.

Option 4: Mark’s method is correct, because it is possible to deliver mail for 7.5 minutes; 7.5 represents the unit rate of 7.5 minutes per house.

This option is also incorrect. Although it is possible to deliver mail for 7.5 minutes, it is not the unit rate, it is the total amount of time it would take.

4 0
3 years ago
Read 2 more answers
Subtract the following. Write your answer in standard notation . 18-9.2×10^-4
puteri [66]

Answer:1.799908×10^1

Step-by-step explanation:

18-0.00092

=17.99908

In standard form=1.799908×10^1

8 0
3 years ago
Please help me im horrable at math
Masja [62]

1.) First plug in the values for m and A:

2555 = 139(4) + b

--> 2555 = 556 + b

Isolate b: 2555 - 556 = 556 - 556 + b

b = 1999

So your answer is the first option.

2.) Admission costs $5.25, so even if you don't go on any rides, you will still have to pay $5.25. This means that for this problem, 5.25 will be the b value. If each ride costs $2.50, then this means it is $2.50x for the cost of x rides. The total cost will then be C = 5.25 + 2.50x.

7 0
3 years ago
Linear Equations
rjkz [21]

Answer:

C

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
If f(x) = 7x^2 - 3x +1 and g(x) = 3x - 2, find the following by matching.
Cloud [144]

f(x) = 7x² - 3x + 1

g(x) = 3x - 2


1. g(0) This means that x is 0, so you can plug in 0 for x in the equation:

g(x) = 3x - 2

g(0) = 3(0) - 2

g(0) = -2


2. g(1)    x is 1

g(x) = 3x - 2

g(1) = 3(1) - 2

g(1) = 3 - 2

g(1) = 1


3. f(1)     x is 1

f(x) = 7x²- 3x + 1

f(1) = 7(1)² - 3(1) + 1

f(1) = 7 - 3 + 1

f(1) = 5


4. f(x) = 7x²- 3x + 1

f(-2) = 7(-2)²- 3(-2) + 1

f(-2) = 7(4) + 6 + 1

f(-2) = 28 + 7

f(-2) = 35

4 0
3 years ago
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