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3 years ago

Round 10.213 to the nearest whole number.

Mathematics

2 answers:

yKpoI14uk [10]3 years ago

5 0

Answer:

10.2

Step-by-step explanation:

remove .13 from there

andreev551 [17]3 years ago

3 0

Answer:10

Step-by-step explanation:

10.213

10.(2)13

if it smaller than 5 you round down

if its larger than 5 you round up

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Joan found a large metal bar that weighed 36 grams. Joan was also able to determine that the bar had 18 grams of zinc. What perc

tatiyna

Answer:

The weight of the zinc in the metal bar was 50% of the weight of the metal bar .

Step-by-step explanation:

Weight of the metal bar ,M= 36 g

Weight of the zinc in the metal bar , m= 18 g

Percentage of zinc in the metal bar :

$=\frac{m}{M}\times 100$

$=\frac{18 g}{36 g}\times 100=50\%$

The weight of the zinc in the metal bar was 50% of the weight of the metal bar .

6 0

4 years ago

If (x+1)(x-3)=12, then which of the following statements is true?

Semmy [17]

Answer:

C. x-5=0 or x+3=0

Step-by-step explanation:

Given,

$(x+1)(x-3)=12$

$x^2+1x-3x-3=12$ ( By multiplication )

$x^2-2x-3=12$ ( By operating like terms )

$x^2-2x-3-12=0$ ( Subtracting 12 on both sides )

$x^2-2x-15=0$

$x^2-5x+3x-15=0$ ( By middle term splitting )

$x(x-5)+3(x-5)=0$

$(x+3)(x-5)=0$

By the zero product property,

$(x+3)=0\text{ or }(x-5) =0$

Hence, option C is correct.

6 0

3 years ago

Read 2 more answers

What is the simplified form of the expression of the square root of 121/81

larisa [96]

Decimal form : 2.61728395
Mixed Number: 2 50/81

3 0

4 years ago

Which of the following is true about the expression √3 x 2

Sergeu [11.5K]

Answer is C

i hope this work for you

4 0

3 years ago

John bought 8 goats at 1040000.He sold these goats and made a profit of 15% on each goat.How much did he sell each goat?

Ugo [173]

Answer:

149500

Step-by-step explanation:

since there's 8 goats, each goat would be 1040000/8, which is 130000 per goat.

marketing at a 15% increase means the new percentage would be 115%, which could be represented by 1.15.

130000 * 1.15 = 149500 / goat

7 0

3 years ago