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Katen [24]
3 years ago
6

28. Simplify the following expression: 10 (2 + 3) - 8x3 D a) 126 Ob) 74 d) 18 c) 26

Mathematics
1 answer:
babunello [35]3 years ago
6 0

Answer:

<h2>C) 26</h2>

Step-by-step explanation:

<h3 /><h2>10 (2 + 3) - 8x3</h2><h3>=10 (5) - (8x3) </h3><h3>=50 - 24</h3><h3>=26</h3>
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blondinia [14]
Given that t<span>here are 20 light bulbs in 5 packages.

The table to find the rate that gives you the number of light bulbs in 3 packages is given as follows:

\begin{tabular}&#10;{|c|c|c|c|c|c|}&#10;Light bulbs&4&8&12&16&20\\[1ex]&#10;Packages&1&2&3&4&5&#10;\end{tabular}

Three different ways in which the rate can be written are:

12 light bulbs to 3 packages

12 light bulbs : 3 packages

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7 0
3 years ago
Use a scale of 2km to 1cm to find the length of a road
noname [10]
<h2>First Question:</h2><h3>Given: </h3>

2 km = 1 cm

<h3>To Find:</h3>

The length of the road of 15 km.

<h3>Solution:</h3>

2 km = 1 cm

1 km = 1/2 = 0.5 cm

15 km = 0.5 × 15 = 7.5

<h2>Answer: </h2>

The length of the road is <u>7.5 cm</u>.

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8 0
3 years ago
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Assoli18 [71]

Answer:

x = 9 ± √14

Step-by-step explanation:

x² − 18x + 67 = 0

Move the constant to the other side:

x² − 18x = -67

Take half of -18, square it, and add to both sides.

(-18/2)² = (-9)² = 81

x² − 18x + 81 = -67 + 81

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Factor the perfect square:

(x − 9)² = 14

Solve for x:

x − 9 = ±√14

x = 9 ± √14

5 0
3 years ago
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dolphi86 [110]

Answer:

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Step-by-step explanation:

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3 0
3 years ago
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Fantom [35]

Answer:

radius=6

Step-by-step explanation:

7 0
3 years ago
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