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UkoKoshka [18]
3 years ago
14

18.71 - 13.06 + 17.34

Mathematics
2 answers:
kirza4 [7]3 years ago
8 0

Answer:

22.99

Step-by-step explanation:

...........................

STALIN [3.7K]3 years ago
4 0

Answer:

22.99

Step-by-step explanation:

U could use a calculator u know or just line up the decimals and then subtract

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Sample of 3 items is selected at random from a box containing 20 items of which 4 aredefective. find the expected number of defe
azamat
That's 54 I think. 20x3=60-4=54
6 0
3 years ago
Write the equation of the line that passes through (-4,3) and is parallel to y = -2x - 8.
kobusy [5.1K]

Answer:

y = -2x - 5

Step-by-step explanation:

Let the equation if the line be y = mx + c

since the line is parallel to y = -2x - 8, their gradients/slope must be the same (aka m = -2)

sub (-4, 3):

3 = -2(-4) + c

c = -5

therefore, the equation of the line is y = -2x - 5

This is a question on coordinate geometry. If you wish to venture further into it/understand this topic better, you may want to follow my Instagram account (learntionary), where I post some of my own notes on certain topics and also some tips that may be useful to you :)

8 0
2 years ago
PLEASE HELP!!!!!
Vadim26 [7]

Answer:

Step-by-step explanation:

9x - 1 / 2 + 9/2 x = 0.128886 (43)

2 / 5x - 1b = 4/3 - 1 - 1 = 2x (4)

= x1 + 24 - 3/4 + 8

9/3 - 1 x = /3

6 0
3 years ago
The width of a rectangle is 1 units less than the length. The area of the rectangle is 72 units. What is the width, in units, of
nalin [4]

A = l × w. Substitute 72 into A and fill in the rest of the equation.

w = l - 1. Plug l - 1 into w

72 = l × (l - 1). Multiply l by (l - 1)

72 = l^2 - l. Subtract 72 from each side.

0 = l^2 - l - 72. Factor.

0 = (l + 8) (l - 9). Set each term equal to zero.

(l + 8) = 0. Subtract 8 from each side.

l = -8. Length cant be a negative number so let's try the other term.

(l - 9) = 0. Add 9 to each side.

l = 9. The length is 9.

Earlier we stated that the width is one less than the length, therefore, the width is 9 - 1 = 8.

The width is 8 units.

8 0
3 years ago
1. A card is picked at random from a pack of 52 playing cards. The probability that it is a 6 is?
salantis [7]

Answer:

1.) A - 5/52

2.) B - 4/9

3 0
3 years ago
Read 2 more answers
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