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kolezko [41]
4 years ago
7

Help me please,Thanks

Mathematics
2 answers:
Leona [35]4 years ago
5 0
Percent means parst out of 100
x%=x/100

15/75=x/100
5/25=x/100
20/100=x/100
20=x

answer is 20%
Monica [59]4 years ago
4 0
If you did the math it is obvious that the answer is 20%
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**Yoxelt buys 4 1/ 2 gallons of soda. One-fourth of the soda he bought was Pepsi and the rest was Sprite. How many gallons of Pe
dusya [7]

Answer:

1 1/8

Step-by-step explanation:

1/4 of 4 1/2 is Pepsi.

1/4 * 4 1/2 = (1/4) * 4 + (1/4) * (1/2) = 1 1/8

7 0
3 years ago
Solve for z.<br><br> Z/4 - 11= -9<br><br> Z=
yan [13]

Answer:

8

Step-by-step explanation:

z/4 - 11 = -9

z/4 = 2

z = 8

8 0
3 years ago
PRETTY PLEASE HELP?????? 1. John can spend up to $40 for gasoline and a carwash at a service station. The carwash will cost $6.0
galina1969 [7]
1. 4.5g + 6 < = 40
    4.5g < = 40 - 6
    4.5g < = 34
    g < = 34/4.5
    g < = 7.56
True statement : John can buy 7 gallons but not 8

2. 250 + 3b < = 800
    3b < = 800 - 250
    3b < = 550
    b < = 550/3
    b < = 183.33
True statement : The maximum number of new baseballs that can be purchased is 183

3. 3x + 6 > 15
    3x > 15 - 6
    3x > 9
     x > 9/3
     x > 3

4. 4x - 6 < 2x + 8
    4x - 2x < 8 + 6
     2x < 14
      x < 14/2
      x < 7

5. 3 - 2x > 9
    -2x > 9 - 3
    -2x > 6 ...when dividing by a negative, u flip the inequality sign
      x < -6/2
      x < -3
     True statement : - 2

7. 3x - 3 < -12         OR     -4x < = -32
    3x < -12 + 3                    x > = -32/-4
    3x < - 9                           x > = 8
      x < -9/3
      x < -3
answer : x < - 3 OR x > = 8

8. -7x + 9 < 72    AND   5x - 3 < = 7
    -7x < 72 - 9                5x < = 7 + 3
    -7x < 63                     5x < = 10
     x > -63/7                     x < = 10/5
     x > - 9                         x < = 2
answer : -9 < x < = 2
6 0
3 years ago
A line passes through the points (2, –2) and (–6, 2). The point (a, –4) is also on the line. What is the value of a?
leonid [27]

Answer:

The value of a=6[/tex]

Step-by-step explanation:

<u>step 1:- </u>

<u>col linearity of three points :- </u>

We know that slopes of two parallel lines are equal.If two lines having the same slope pass through a common point ,then two lines will coincide . Hence ,If A,B,C are three points in the X Y- plane, then they will lie on a line,

that is three points are col linear if and only if Slope of AB= slope of BC

<u>step 2:-</u>

Since the given three points are col-linear, we have

Slope of AB= slope of BC

given points are A(2,-2) ,B(-6,2) and C(a,-4)

<u>Step 3 :-</u>

Slope of AB= slope of BC

\frac{2-(-2)}{-6-2} =\frac{-4-2}{a+6}

\frac{-1}{2} =\frac{-6}{a+6}   by cross multiplication we get \\a+6=12\\Step 4:-The value of a=6

5 0
4 years ago
Jessica has 3 cards in a bag, each marked with a letter. The letters are X, Y , and
tekilochka [14]

1/27

Step-by-step explanation:

get one card is 1/3 so you do 1/3x1/3x1/3

8 0
2 years ago
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