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Ierofanga [76]
2 years ago
11

Can someone please help me ASAP​

Mathematics
1 answer:
DerKrebs [107]2 years ago
5 0

Answer:

i) 30 minutes

ii) 50 km/h

Step-by-step explanation:

Part 1:

1540 - 1600 is pnt 1 to pnt 2; 1 km per hour. (20 minutes)

15km at  90km/h = 10 min

20 + 10 = 30 minutes

Part 2:

10 km/h + 90 km/h = 100km/h

Average = /by number of factors;

100 km/h  / 2 = 50 km/h (Average journey speed)

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Find the slope of each of the lines below:
KiRa [710]
The answers is -1/3 because of rise over run
7 0
3 years ago
Read 2 more answers
Two lines interesting at a right angle​
schepotkina [342]

Answer:

Perpendicular lines are lines that intersect at right angles.

Step-by-step explanation:

I'm assuming that your question is asking what the term is for two lines that intersect at a right angle. If I'm correct then your answer is perpendicular lines.

Hope this helps

7 0
3 years ago
374x+3=2995 ME GIVE BRAIN I MUST DO MY HOMEWORK you lifesaver...
Kaylis [27]

Hi there!

x=8

<u><em>1.Subtract the answer with the 3 / subtract the terms:</em></u>

<u><em /></u>2995-3=2992<u><em /></u>

<u><em>2.Divide the two terms:</em></u>

<u><em /></u>2992*374=x<u><em /></u>

Therefore, x=8

<u><em /></u>

3 0
3 years ago
Which of the following is the result of the equation below after completing the square and factoring?
Tems11 [23]

Answer:

D)  (x +  \frac{5}{2})^{2}   =  \frac{9}{4}

Step-by-step explanation:

<u><em>Step(i):-</em></u>

Given equation

             <em>   x² + 5 x + 8 = 4</em>

    ⇒        x^{2} + 2 X \frac{5}{2} x + (\frac{5}{2} )^{2} -  (\frac{5}{2} )^{2}+ 8 = 4

<u><em>Step(ii):</em></u>-

    By using (a + b)² = a² + 2 a b + b²

  ⇒        (x +  \frac{5}{2})^{2}   -  (\frac{5}{2} )^{2}+ 8 = 4

  ⇒        (x +  \frac{5}{2})^{2}   = 4 + (\frac{5}{2} )^{2} -8

⇒           (x +  \frac{5}{2})^{2}   =  (\frac{25}{4} ) -4

⇒           (x +  \frac{5}{2})^{2}   =  (\frac{25-16}{4} )

⇒           (x +  \frac{5}{2})^{2}   =  \frac{9}{4}

<u><em>Final answer:-</em></u>

(x +  \frac{5}{2})^{2}   =  \frac{9}{4}

 

7 0
3 years ago
Data Set 1 has a mean of 54 and a MAD of 4. Data Set 2 has a mean of 60 and a MAD of 2. What can be concluded about the two dist
juin [17]
These were the right answers. Hope they help

3 0
3 years ago
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