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Vsevolod [243]
3 years ago
9

PLEASE HELP URGENT!!!!!!!

Mathematics
1 answer:
MrMuchimi3 years ago
4 0

Answer:

Choice B is correct

Step-by-step explanation:

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Expand the expression. Fill in the blanks<br><br> 3(n + 7)<br><br> n +( <br> )7
morpeh [17]
3n + 21 is the answer
4 0
2 years ago
Please help me with this math problem!! Will give brainliest!! NO LINKS PLEASE!! Thanks!! :)
Lady_Fox [76]

Answer:

x = 3

So,

PQ= 5

RS=6

Step-by-step explanation:

Hope it helps you.....

8 0
1 year ago
. An object dropped from a height of 200 meters has a height, h(t), in meters after t seconds have lapsed, such that h(t) = 200
Veronika [31]

Answer:

t(h)= (h-200)/-4.9

The time to reach a height of 50 meters is 30.6 seconds

Step-by-step explanation:

To express t as a function of height (h) we must transform the equation below:

h=200-4.9t

h-200=-4.9t

(h-200)/-4.9=t

t(h)= (h-200)/-4.9

To find the time to reach a height of 50 meters, we must replace this value on the new equation:

t(h)=50-200/-4.9

t(h)= 30.612

The time to reach a height of 50 meters is 30.6 seconds

8 0
3 years ago
What is the easiest way to find the area of a trapezoids?
Dafna11 [192]
Step 1. identify the length of both bases
Step 2. Add the lengths of the bases
Step 3. Identify the height of the trapezoids
Step 4. Multiply the sum of the lengths of the bases by the height.
Step 5. Divide the results by two and then theres your answer.
7 0
2 years ago
On a journey of 120 km, a motorist averages
fenix001 [56]

Answer:

More

Step-by-step explanation:

Because the journey is 120km long, and the mortoristgoes less than 60km per hour.  So in 2 hours, the motorist will go less than 120 km.  So he needs more than 2 hours to go 120 km

8 0
3 years ago
Read 2 more answers
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