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Debora [2.8K]
3 years ago
7

Please help me jdjdjd

Mathematics
1 answer:
jeyben [28]3 years ago
8 0
If you add Hillary to the friend count, that's 24. So there are 16 boys and 8 girls
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Brainliest to the answer. please help !
11111nata11111 [884]
The answer is C because when you rotate 90 degrees clockwise (x,y) becomes (y,-x)
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2 years ago
Lindsay has scored 15 goals in 10 lacrosse games this season. a) What is her unit rate of scoring? b) How many goals might Linds
pashok25 [27]
A)1.5 goals per match
b) 1.5x35= 52.5 so 53
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3 years ago
The value of 5 in the number 357.21 is
aliina [53]
The value is 5 tens because the 5 is in the tens place
5 0
3 years ago
Need help asap thank you
Angelina_Jolie [31]

Answer:

D is 107 and E is 38

Step-by-step explanation:

20x+40=180

20x=140

X=140/20

x=7

M<A=5(7)+3

38

m<a=m<e

15(7)+2

107

m<b=m<d

5 0
3 years ago
The length of a rectangular driveway is five feet more than three times the width. The area is 350ft2. Find the width and length
crimeas [40]

Answer:

  • width -- 10 ft
  • length -- 35 ft

Step-by-step explanation:

We can let x represent the width. Then the length will be represented by (3x+5), a value 5 more than 3 times the width.

The area is the product of length and width, so is ...

  A = (3x +5)(x) = 3x^2 +5x

To make the area 350, we can find the value of x from ...

  3x^2 +5x = 350

This can be solved a number of ways. One of them is "completing the square".

  3(x^2 +5/3x) = 350

We choose to divide by 3 and add the square of half the x-coefficient.

  x^2 +5/3x +(5/6)^2 = (350/3) + (5/6)^2

  (x +5/6)^2 = 4225/36 . . . . simplify

  x +5/6 = ±√(4225/36) = ±10 5/6 . . . . take the square root

  x = 10  or  -11 2/3 . . . . subtract 5/6

The positive solution is the one of interest: x = 10.

The driveway is 10 ft wide and 35 ft long.

4 0
3 years ago
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