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vichka [17]
3 years ago
8

If you are rally good at math ( transformations of functions ) can you comment on this so I know if someone will help in a timel

y manner
when I post the paper I will set it for around 200 points if it lets me
Mathematics
1 answer:
FromTheMoon [43]3 years ago
8 0

Just post the math paper or question we'll help you

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The sum of two numbers is 86 and their difference is 38 find the two numbers
Lemur [1.5K]

Answer:

Step-by-step explanation:

Let the first number be = X

Let the second number be= y

X+Y=86 -------1

X-Y=38 --------2

adding equation 1 & 2

2X=124

X= 62

Put X in equation 1

62+Y= 86

Y=86-62

Y= 24

Therefore X= 62 and y=24

8 0
4 years ago
What is the slope of "The line through(5,7) and (5,-8)"?
Butoxors [25]
The slope is -15/0 so the slope is zero
3 0
3 years ago
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Can someone help me with this maths question? workings would be appreciated :]
NARA [144]

Answer:

total amount of sweets=230

Step-by-step explanation:

ratio=8:5:10

total ratio=8+5+10

=23

Adrian=x

Charlie= x+20

Ben=1/2×(x+20)

Charlie's share

10/23×(x+20+x+(1/2×x+20))=x+20

10/23×(x+20+x+(x+20/2))=x+20

10/23×(x+20+x+x+20/2)=x+20

10/23×(2(x+20)+(2×x)+(x+20/2)/2=x+20

10/23×(2x+40+2x+x+20)/2=x+20

10/23×(2x+2x+x+40+20)/2=x+20

10/23×(5x+60)/2=x+20

50x+600/46=x+20

50x+600=46(x+20)

50x+600=46x+920

50x-46x=920-600

4x=320

4x/4=320/4

x=80

Total amount of sweet

x+x+20+1/2(x+20)

80+80+20+1/2(80+20)

180+1/2(100)

180+50

230

6 0
3 years ago
A certain aircraft can fly 798 miles with the wind in 3 hours and travel the same distance against the wind in 7 hours. What is
Vesnalui [34]

Answer:

76 mph

Step-by-step explanation:

Let x mph be the speed of the aircraft and y mph be the speed of the wind.

<u>With the wind:</u>

Distance = 798 miles

Time = 3 hours

Speed = x + y mph

Then

3(x+y)=798\\ \\x+y=266

<u>Against the wind:</u>

Time = 7 hours

Speed = x - y mph

Then

7(x-y)=798\\ \\x-y=114

Add these two equations:

x+y+x-y=266+114\\ \\2x=380\\ \\x=190\ mph

Subtract these two equations:

(x+y)-(x-y)=266-114\\ \\x+y-x+y=152\\ \\2y=152\\ \\y=76\ mph

The speed of the aircraft is 190 mph, the speed of the wind is 76 mph

7 0
4 years ago
What is the value of x? x=int(13.25 + 4/2) *​
julia-pushkina [17]

15.25 is the answer of the question

8 0
3 years ago
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