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gtnhenbr [62]
3 years ago
14

Four less than half a number is 15. Find a number.

Mathematics
2 answers:
larisa [96]3 years ago
6 0

38

\frac{x}{2} - 4 = 15

x - 8 = 30

x = 38

Oliga [24]3 years ago
3 0

Answer:

38

Step-by-step explanation:

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What are RQS and TQS?
yaroslaw [1]

Answer:

m∠RQS = 72°

m∠TQS = 83°

Step-by-step explanation:

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So

m∠RQS = (4x - 20)

m∠TQS = (3x + 14)

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Group the Xs and the constants

4x + 3x - 20 + 14 = 155

Combine like terms

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7x = 161

Divide by 7 on both sides

x = 23

Check:

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92 - 20 + 69 + 14 = 155

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Checking:

72 + 83 = 155

8 0
3 years ago
Item Cost
natima [27]
So cost=(# of items) times (Price per item)
necklace=48 bbeads and 1 charm
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charm=0.45
so we multiply
necklace=48(0.05)+1(0.45)
necklace=2.4+0.45
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bracelet=25 beads and 4 charms
bracelet=25(0.05)+4(0.45)
bracelet=1.25+1.8
bracelet=3.05







necklace=$2.85
bracelet=$3.05


4 0
3 years ago
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