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Tatiana [17]
3 years ago
10

Simplify the expression. 3 - 4 +7 - 4

Mathematics
1 answer:
Tresset [83]3 years ago
4 0
2
3+7=10
-4-4=-8
10-8=2
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none of the above

Step-by-step explanation:

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What epoch do we currently live in?
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Holocene

Step-by-step explanation:

The Holocene began 11,700 years ago after the last major ice age.

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2 years ago
Solve for X: 2XY = Z
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3 years ago
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Colin & Brian share a lottery win of £2100 in the ratio 4 : 1. Colin then shares his part between himself, his wife & th
Paraphin [41]

Answer:

His wife gets $336 more than his son.

Step-by-step explanation:

Colin and Brian:

Ratio of 4:1.

So Colin gets \frac{4}{4+1} = \frac{4}{5} of the prize.

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Colin got $1680. Dividing between himself, his wife and their son:

Ratio of 2:5:3.

So Colin gets \frac{2}{2+3+5} = \frac{2}{10}, his wife gets \frac{5}{2+3+5} = \frac{5}{10} and his son gets \frac{3}{2+3+5} = \frac{3}{10}

Wife:

\frac{5*1680}{10} = 840

His wife got $840.

Son:

\frac{3*1680}{10} = 504

His son got $504.

How much more does his wife get over their son?

840 - 504 = 336

His wife gets $336 more than his son.

8 0
3 years ago
DECK is a parallelogram with m∠1 = 20°, m∠(<img src="https://tex.z-dn.net/?f=x%5E%7B2%7D" id="TexFormula1" title="x^{2}" alt="x^
maw [93]

9514 1404 393

Answer:

  m∠2 = 16° or 25°

Step-by-step explanation:

The sum of angles 1 and 2 is congruent to angle CED.

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  m∠2 = (x^2)° = (5^2)° or (4^2)°

  m∠2 = 16° or 25°

7 0
3 years ago
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