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AURORKA [14]
3 years ago
7

2x + 9y = 18 Find the slope and y intercept

Mathematics
2 answers:
Verizon [17]3 years ago
8 0

Answer:

slope: - \frac{2}{9}    y intercept: 2

Step-by-step explanation:

you need to rearrange the equation into a y=mx+b formation

m is always the slope b is always the y intercept

the new equation of would be

y=-\frac{2}{9} x+2

I hope this helps somewhat!:)

antiseptic1488 [7]3 years ago
4 0

Answer:

Slope is -2/9 and y intercept is (0,2)

Step-by-step explanation:

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You buy a shirt at Kohl’s that costs 27.50 but it’s 20% off. How much is the new price of the shirt
SOVA2 [1]

Answer:

27.50 * 0.2 (20%) = 5.5 (discount)

27.50 - 5.5 = $22

4 0
4 years ago
Read 2 more answers
A probability experiment will consist of selecting one of two stacks of cards, and then choosing a card at random from the stack
postnew [5]

Answer:

The probability that the red card came from the first stack is:

40%

Step-by-step explanation:

a) Data and Calculations:

Stack         Red      Blue   Total

First            6           5         11

Second      9            0         9

Total         15            5       20

The probability of selecting from the first stack = 50% since equal opportunity is given to the two sacks.

The probability of red card from the first stack = 6/15 = 0.4 = 40%.

b) The probability that the red card came from the first stack is given by the number of red cards in the first stack divided by the number or red cards in the two stacks.  This is equal to 6/15 = 0.4 or 40%.

4 0
3 years ago
How many 4-digit multiples of 21 and 15 are there and 4-digit multiples of either 21 or 15 are there?
salantis [7]

Answer:

943

Step-by-step explanation:

21| 1000

   | ----------

       47 | 13

21-13=8

1000+8=1008

21|9999

  |---------

     476|3

9999-3=9996

1008,1029,...,9996

let n be number of terms

a=1008,d=21,l=9996

9996=1008+(n-1)21

9996-1008=(n-1)21

8988=(n-1)21

n-1=8988/21

n-1=428

n=428+1=429

again 15|1000

            |---------

                66|10

15-10=5

1000+5=1005

15|9999

  | ---------

      666|9

9999-9=9990

1005,1020,...,9990

a=1005,d=15,l=9990

let n be number of terms.

9990=1005+(n-1)15

9990-1005=(n-1)15

8985=(n-1)15

n-1=8985/15

n-1=599

n=599+1=600

21=3×7

15=3×5

L.C.M.=3×5×7=105

105)1000(9

      -945

     ____

         55

105-55=50

1000+50=1050

105)9999(

     -945

   ---------

         549

       - 525

        -------

            24

        -------

9999-24=9975

1050,1155,...,9975

let n be number of terms.

d=105

l=a+(n-1)d

9975=1050+(n-1)105

9975-1050=(n-1)105

8025=(n-1)105

n-1=8925/105

n-1=85

n=85+1=86

so there are 86 multiples of 21 and 15

(A∪B)=A+B-(A∩B)

multiples of 21 or 15=429+600-86=1029-86=943

4 0
3 years ago
ANSWER FAST, WILL GIVE BRAINLIEST + THANKS FOR GOOD ANSWERS.
Viefleur [7K]

Answer:

A: if you cut it parrallel to the base, it will take the shape of the base, and the base is a rectangle, so it will still be a rectangle.

B: if you cut it perpendicular to the base, it will take the shape of the side face, making it a square




7 0
4 years ago
HOW DO IT???<br> A<br> B<br> C<br> D
OLga [1]
B cuz x is five and 6.5 is 30
5 0
3 years ago
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