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seraphim [82]
3 years ago
10

Help me please... ...

Mathematics
2 answers:
Musya8 [376]3 years ago
8 0

Answer:

The mistake is in the 1st to 2nd step

They did not distribute 4(7-13).

If they distributed properly, it would be 28-52 instead of 28-13.

Step-by-step explanation:

Ber [7]3 years ago
4 0
It’s going to be A. She was supposed to use distributive property
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Porter is visiting India and would like to purchase some local spices. He finds some spices that cost 401.39 rupees. If the curr
Murljashka [212]

The cost of spices in US dollars is $5.45

The cost of spices in Indian rupees = 401.39 rupees

The exchange rate is

1 dollar:73.6500 rupees

So we have to exchange the Indian rupees to the US dollars

The cost of spices in Indian rupees = 401.39 rupees

The cost of spices in US dollars = The cost of spices in Indian rupees / 73.6500

Substitute the values in the equation and fins the cost of spices in US dollars

The cost of spices in US dollars = 401.39 / 73.6500

Divide the numbers

= $5.45

Hence, the cost of spices in US dollars is $5.45

Learn more about exchange rate here

brainly.com/question/6358327

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6 0
1 year ago
The sum 51 5/6 + (-37 1/12) is equal to what?
postnew [5]
Those two added together are equal to
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3 years ago
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Which line is the graph of the function y = x + 6?
Kamila [148]
The graph of the function is line A
4 0
2 years ago
Consider the set of differences, denoted with d, between two dependent sets: 84, 85, 83, 63, 61, 100, 98. Find the sample standa
sveta [45]

Answer:

The sample standard deviation is 15.3.

Step-by-step explanation:

Given data items,

84, 85, 83, 63, 61, 100, 98,

Number of data items, N = 7,

Let x represents the data item,

Mean of the data points,

\bar{x}=\frac{84+85+83+63+61+100+98}{7}

=82

Hence, sample standard deviation would be,

\sigma= \sqrt{\frac{1}{N-1}\sum_{i=1}^{N} (x_i-\bar{x})^2}

=\sqrt{\frac{1}{6}\sum_{i=1}^{7} (x_i-82)^2}

=\sqrt{\frac{1}{6}\times 1396}

=\sqrt{232.666666667}

=15.2534149182

\approx 15.3

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3 years ago
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(L*W)*H

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3 years ago
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