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mixas84 [53]
2 years ago
8

Darko found the sum of 324 and 57 to be 894. What error did he make?

Mathematics
1 answer:
jeka57 [31]2 years ago
3 0

Answer:

b

Step-by-step explanation:

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Which expression represents the shaded length of the number line below? Choose 1 answer: Choose 1 answer: (Choice A) A 34×32\dfr
Anit [1.1K]

Answer:

Expression = \frac{2}{3} * \frac{5}{4}

Step-by-step explanation:

<em>See attachment for number line</em>

From the attachment, we have the following details:

The first shade of blue covered 10 blocks

The second shade of blue covered 5 further blocks which totaled to 15

So, the fraction of the blue blocks is:

Blue = \frac{10}{15}

Divide fraction by 5/5

Blue = \frac{10/5}{15/5}

Blue = \frac{2}{3}

Also from the attachment:

The shaded block stopped at the fraction:

Shaded = \frac{5}{4}

So, the expression that represents this scenario is:

Expression = Blue * Shaded

Expression = \frac{2}{3} * \frac{5}{4}

<em>Option (c) answers the question</em>

8 0
3 years ago
5(x+4)+16<br><br> Match each of the following with Equivalent Expression listed on the right
son4ous [18]
5(x+4)+16
5x+20+16
And then the solution is 5x+36
6 0
2 years ago
Please help idk thisssss
Alekssandra [29.7K]
ANSWER
0.073 \% = 0.00073


EXPLANATION

Recall that,

\% =  \frac{1}{100}


That is why
100\%
is equivalent to
1.





This implies that,


0.073\% = 0.073 \times  \frac{1}{100}






This is the same as,


0.073\% = \frac{0.073}{100}


When we are dividing by
100
we move the decimal point backwards two times.


This implies that,

0.073\% = 0.00073


6 0
3 years ago
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Zara has forgotten her 4-digit PIN code.
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800 different sets of digits


Since the first digit is a factor of 20, the factors of 20 are 1,2,4,5,10,20. We only need the single digit factors which are 1,2,4 and 5. These 4 numbers can be permuted in 1 way for the first digit, so we have ⁴P₁.
For the second digit, we have 10 digits permuted in 1 way, ¹⁰P₁ and also for the third digit, we have 10 digits permuted in 1 way, ¹⁰P₁ and for the last digit, which is divisible by 5, it is either a 0 or 5, so we have two digits permuted in 1 way, ²P₁.
So, the number of different 4 digit number that Zara'2 4-digit PIN code could be is ⁴P₁ × ¹⁰P₁ × ¹⁰P₁ × ²P₁ = 4 × 10 × 10 × 2 = 800 different sets of digits
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2 years ago
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I will give brainliest!!!! Which expressions are equivalent to j+j+2k? Choose all answers that apply: (Choice A) A 2jk (Choice B
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Answer:

The Answer Is C

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