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vladimir1956 [14]
3 years ago
7

Write a phrase as a algebraic expression.4 times the sum of a number and 20.

Mathematics
1 answer:
djyliett [7]3 years ago
5 0

4(6 + 20)

PLEASE RATE AS THE BRAINLIEST ANSWER! THANK YOU! :)

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The rule for being the nth item in a certain sequence is n(n+1)/2. what is the 4th term in this sequence ?
Lorico [155]

Answer:

a.) 4

Step-by-step explanation:

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2 years ago
Susan has a rectangular fence around her swimming pool. The fence she built was 15 ft long, 10 ft wide and 6ft tall. How many sq
Dmitriy789 [7]

Answer:

300 Square feet

Step-by-step explanation:

Susan built a rectangular fence around her swimming pool.

Length=15ft

Width(or Breadth)=10ft

Height=6ft

To solve this, picture a cuboid with the top and bottom open, that is the key to finding the Surface Area of the Fence.

Surface Area of a Cuboid= 2(LW+LH+WH)

However since the top and bottom are open, the Surface Area becomes

Surface Area of the fence= 2(LW+WH)

                                       =2((15X6)+(10X6)

                                       =2(90+60)=2 X 150 =300

Susan uses 300 Square feet to build her fence.

8 0
3 years ago
What is 6 less than 5 times a number? a. 5x - 6 b. 5 × 6 c. 5x 6 d. 5 ÷ 6
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A. 5x - 6 ................
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3 years ago
The amount of time it takes an ice cube to melt varies inversely to the air temperature. At 30 degrees Celsius, the ice will mel
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hope this helps A block of ice melts in 2.5 hours when the temperature is 54 degrees.

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Two sides are the same length one angle measures 90 degrees
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