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NeTakaya
3 years ago
10

si 8 litros de agua contiene 250 gramos de cal ¿que cantidad de agua le debemos agregar para que en cada lito exista 20 gramos d

e cal?

Mathematics
1 answer:
Triss [41]3 years ago
4 0
Aqui te mando la solucion para la problema, abre el foto.

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. Kerry bought a bag of dog food for $37.99. If sales tax is 7.6%, how much did she pay in tax?
Charra [1.4K]

Answer

Find out the how much did kerry pay in tax .

To proof

As given

Kerry bought a bag of dog food for $37.99.

If sales tax is 7.6%

7.6 % is written in the decimal form

= \frac{7.6}{100}

= 0.076

7.6 % of the $37.99 = 0.076 ×37.99

                               = 2.88724

                               = $2.89 ( approx)

Kerry pay in the sales tax be $2.89

Hence proved

7 0
4 years ago
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Which quadrant will (30,-45) fall into?
Varvara68 [4.7K]

Answer:

Quadrant 4

Step-by-step explanation:

The x value is positive so it is either in 1 or 4

The y value is negative so it is either 3 or 4

To meet both conditions, it must be 4

6 0
2 years ago
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Michelle correctly solved a linear equation and the last line of her work was: 1 = 2
andreyandreev [35.5K]

Answer:

The equation has no solution

Step-by-step explanation:

Since the last line of her work resulted in

1 = 2 ← meaningless, then

This indicates the equation has no solution

4 0
3 years ago
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The number square root of 3 goes on forever with no repeating pattern therefore it is rational?
vova2212 [387]

Answer:

False

Step-by-step explanation:

A number that can expressed as \frac{p}{q},

Where, p and q are integers such that q ≠ 0, is called a rational number.

Also, a decimal number with repeating pattern is a rational number,

( for eg : 0.333.... = \frac{3}{9} )

Since,

√3 = 1.73205080757.....

∴ There is no repeating pattern

Thus, √3 is not a rational number.

Given statement is FALSE.

8 0
3 years ago
Find the gradient of the line<br> 2y - 8x = -2
natima [27]

answer:

gradient is 4

Step-by-step explanation:

gradient is another way of saying slope

slope in the math is often used to show the speed of something

it's the m in y= mx+b

make the equation look like

y = mx + b

2y - 8x = -2

2y = 8x - 2

y= (8x-2)/2

y=4x-1

gradient is the number next to x

answer : gradient is 4

8 0
2 years ago
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