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tankabanditka [31]

3 years ago

11

A driver is 19 meters below the surface of the water. Use an integer to represent how far the driver will need to travel to reac

h the suface

1 answer:

Tresset [83]3 years ago

3 0

Answer:

19 metres

Step-by-step explanation:

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Explain how to use the combine place values strategy to find 223-119

Vikentia [17]

So, the subtraction looks like this:

   223
-119
_______

The reason why combining place values here is necessary is that 3 is less than 9 (so I can't just substract in the one's place without going to negative numbers)

so we combine the ones and tens places and substract the whole: 23-19 is four!
   223
-119
_______
   04

and then we continue
   223
-119
_______
    204

and that's the result!

3 0

3 years ago

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Area: 28.67 sq m and the side is 4.7 m The missing side length is equal to:??? m

Mice21 [21]

Answer:

6.1

Step-by-step explanation:

area =leanth x breath.

if one side=4.7,

then, missing length=area/given side

= 28.67/4.7

=6.1

4 0

3 years ago

What is the slope of the line? Please help :)

Anuta_ua [19.1K]

Answer:

The slope of line is 2/3.

Step-by-step explanation:

To calculate slope you do :

y2 - y1 / x2 - x1

6 0

3 years ago

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A group of 25 people are going to run a race. The top 8 finishers advance to the finals. Determine the number of possible outcom

satela [25.4K]

Answer:

n[total]=25

n[top finishers]=8

the number of possible outcome

= $\frac{25 \times 24 \times 23 \times 22 \times 21 \times 20 \times 19 \times 18}{8 \times 7 \times 6 \times 5 \times 4 \times 3 \times 2 \times 1} = 1081575$ outcomes

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3 years ago

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Which are the solutions of x² = 19x + 12

Sever21 [200]

Answer:

$\{x=\frac{19-\sqrt{409} }{2}\ , \ x=\frac{19+\sqrt{409} }{2}\}$

Step-by-step explanation:

x² = 19x + 12

⇔ x² - 19x - 12 = 0

Calculating the discriminant :

b² - 4ac = (-19)² - 4×1×(-12) = 409

The discriminant is positive ,then the equation has two solutions.

$x=\frac{19-\sqrt{409} }{2} \ \ or\ \ x=\frac{19+\sqrt{409} }{2}$

4 0

2 years ago