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podryga [215]
3 years ago
11

OH MY GOSH PLEASE HELP ME PLEASE HELP ME I KNOW YHIS IS EASY BUT IM STUPID AND I DONT KNOW HOW TO DO IT THANKS IF YOU ANSWERED (

ALL OF THEM)

Mathematics
2 answers:
densk [106]3 years ago
8 0
Question 3 is 87.5...
question 4 is 303...
question 5 is 86.4...
and hold up and lemme see if i can figure out number 6 for u
ale4655 [162]3 years ago
3 0
I will help you on two conditions:  1) that you never again call yourself "stupid," and that you ask no more than 1 or 2 questions per post.

I'll focus on #5.  Recall that distance = rate times time:  d = r*t.

You want distance and are given rate and time:  rate 1.8 km/min; time 48 min.

I see you write "distance" next to "1.8 km;" that is not correct, because

the problem states that "the rate is 1.8 km per minute."  1.8 km is a distance; 1.8 km / min is not (it's a rate).

So, again, to find the distance traveled, mult. the rate by the elapsed time:
 
distance = (1.8 km/min)(48 min) = 86.4 km, or about 54 miles. 
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Answer:

the answer is the second one

Step-by-step explanation:

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2 years ago
Please Help!!
GarryVolchara [31]

Answer:

D:) (2,2,) is the Answer

Step-by-step explanation:

Solve the following system:


{X - 2 Y = -2 | (equation 1)


{3 X - 2 Y = 2 | (equation 2)



Swap equation 1 with equation 2:


{3 X - 2 Y = 2 | (equation 1)


{X - 2 Y = -2 | (equation 2)



Subtract 1/3 × (equation 1) from equation 2:


{3 X - 2 Y = 2 | (equation 1)


{0 X - (4 Y)/3 = (-8)/3 | (equation 2)



Multiply equation 2 by -3/4:


{3 X - 2 Y = 2 | (equation 1)


{0 X+Y = 2 | (equation 2)



Add 2 × (equation 2) to equation 1:


{3 X+0 Y = 6 | (equation 1)


{0 X+Y = 2 | (equation 2)



Divide equation 1 by 3:


{X+0 Y = 2 | (equation 1)


{0 X+Y = 2 | (equation 2)



Collect results:


Answer:  {X = 2 , Y = 2

4 0
3 years ago
Read 2 more answers
The length of the rectangular basketball court is 44 feet more than the width. If the perimeter of the basketball court is 288 f
Temka [501]
Let's first say that L=W+44

and then remember that perimeter is P=2L+2W

replace the L with W+44

we then get P=2(W+44)+2W, now I'll solve it

P=2W+88+2W
P=4W+88

substitute 288 for P

288=4W+88
200=4W
50=W

so now we now how wide the court is. add 44 to find the length which gives you L=94

as always plug the numbers back into your perimeter equation to ensure L and W are correct
8 0
3 years ago
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arsen [322]

Answer:x=7 y=5

Step-by-step explanation:

I just took it, sorry I'm not good at math and just guessed until I got it right for this answer.

8 0
3 years ago
Evaluate the expression when x=3 , y=−4 , and z=−6.<br> z−2x/y
hichkok12 [17]

Answer:

9/2

distribute the value of x,y, and z, on the given questions, and then you do multiplication, next addition, lastly lowest term.

6 0
3 years ago
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