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Kay [80]
3 years ago
8

What does "place value" mean? Give specific examples of systems that use place value and those that do not.

Mathematics
1 answer:
zaharov [31]3 years ago
6 0

Answer:

Place value can be defined as the value represented by a digit in a number on the basis of its position in the number.

Step-by-step explanation:

In the number 456, the "5" has a face value of 5. Value = The place value of the digit times its face value. Example: Find the value of the digits 6, 8 and 4 in the number 684.

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Kazeer [188]
C. one hundrenth. It's in the hundrenths place.
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A submersible vessel at an elevation of -75 feet to 5 times that elevation what is the vessel’s new elevation
liubo4ka [24]

Answer:

375 ft

Step-by-step explanation:

you just multiply it times 5

6 0
4 years ago
Read 2 more answers
By factoring, identify the zeros of the quadratic function f (x) = x²-9x-22
vovikov84 [41]

Answer:

x= -2, x= +11

Step-by-step explanation:

I hope this is right!

To factorise, we need two numbers that add to make -9 and multiply together to make -22.

2 - 11 works, so we put it in the brackets in this order.

(x + 2) (x - 11)

so x + 2 = 0 and x - 11 =0

but we could also simplify this to say that x could be either -2 or + 11.

I hope this helps.

Have a lovely day.

7 0
2 years ago
Dla każdej z liczb 20, 60, 150, 300, znajdź liczbę : a) o 10% większa, b) o 20% mniejszą, c) o 50% mniejsza,
krek1111 [17]

Odpowiedź:

Prosimy sprawdzić wyjaśnienie

Wyjaśnienie krok po kroku:

Na numer: 20

a.) 10% więcej;

(1 + 10/100) * 20;

1,10 * 20 = 22

b.) 20% mniej

(1 - 20/100) * 20

0,8 * 20 = 16

c.) 50% mniej

(1 - 50/100) * 20

0,5 * 20 = 10

Dla numeru 60:

a.) 10% więcej;

(1 + 10/100) * 60;

1,10 * 60 = 66

b.) 20% mniej

(1 - 20/100) * 60

0,8 * 60 = 48

c.) 50% mniej

(1 - 50/100) * 60

0,5 * 60 = 30

Na numer 150;

a.) 10% więcej;

(1 + 10/100) * 150;

1,10 * 150 = 165

b.) 20% mniej

(1 - 20/100) * 150

0,8 * 150 = 120

c.) 50% mniej

(1 - 50/100) * 150

0,5 * 150 = 75

Dla numeru 300;

a.) 10% więcej;

(1 + 10/100) * 300;

1,10 * 300 = 33%

b.) 20% mniej

(1 - 20/100) * 300

0,8 * 300 = 240

c.) 50% mniej

(1 - 50/100) * 300

0,5 * 300 = 150

4 0
3 years ago
What is the value for x,the length of side bc?7 to
kifflom [539]

Answer:

x = 17.5

Step-by-step explanation:

\triangle ABC \sim \triangle DEF... (given)

\therefore \frac{AB}{DE} = \frac{BC}{EF}

\therefore \frac{10}{4} = \frac{x}{7}

\therefore 2.5 = \frac{x}{7}

\therefore 2.5\times 7= x

\therefore 17.5= x

\therefore x = 17.5

5 0
3 years ago
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