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Elina [12.6K]
3 years ago
8

Clark used a digital thermometer to check the internal temperature of a roasting turkey. The thermometer read 168 °F, and its re

ading is accurate within 2.7 °F. Which temperature falls within this range? A 165.8 °F B 165.1 °F C 171.0 °F D 172.7 °F
Mathematics
2 answers:
Lorico [155]3 years ago
7 0

Answer:

A. 165.8°F

Step-by-step explanation:

The range for the thermometer must be from 165.3°F to 170.7°F and the only answer choice that falls between those two numbers is, A 165.8°F.

slamgirl [31]3 years ago
5 0

Answer:

A and C falls within the range.

Step-by-step explanation:

Have a nice day!

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3 years ago
Who can help me to solve these questions please?
ankoles [38]

Using the given information, length of QR = 16.6 cm

The area of the trapezium is 304.5 cm²

<h3>Calculating area of a trapezium</h3>

From the question we are to calculate the length of QR and the area of trapezium PQRS

In the given diagram,

Let the midpoint of PS be T

Then, we can write that

|OP|² = |OT|² + |PT|²  (<em>Pythagorean theorem</em>)

|OP| = radius = 13 cm

|PT| = 1/2 × PS = 1/2 × 24 cm = 12 cm

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|OT|² = 169 -144

|OT|² = 25

|OT| = √25

|OT| = 5 cm

Also, let the midpoint of QR be U

Then, we can write that

|OQ|² = |OU|² + |QU|² (<em>Pythagorean theorem</em>)

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From the given information,

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|QU| = 8.3 cm

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Length of QR = 16.6 cm

b)

Area of the trapezium = 1/2(|QR| + |PS|) × |TU|

Area of the trapezium = 1/2(16.6 + 24) × 15

NOTE: |TU| = |OT| + |OU|

Area of the trapezium = 1/2(40.6) × 15

Area of the trapezium = 20.3 × 15

Area of the trapezium = 304.5 cm²

Hence, the area of the trapezium is 304.5 cm²

Learn more on Calculating area of trapezium here: brainly.com/question/3435635

#SPJ1

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