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2 years ago

Evaluate the following expression. 7 1/4 x 2^2 +(8 1/2 -2) ÷ 3

Mathematics

1 answer:

kirill [66]2 years ago

5 0

Answer:

11.83 or 11.8 or 11 4/5

Step-by-step explanation

7.25+4= 29

(8.5-2)= 6.5

(29+6.5)/3 = 35.5/3

11.83

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Using the grouping method to factor the polynomial below completely. x^3+2x^2+4x+8

Ivenika [448]

Answer: $(x+2)(x^2+4)$

Step-by-step explanation:

$x^3+2x^2+4x+8$

$(x^3+2x^2)+(4x+8)\\x^2(x+2)+4(x+2)$

$(x+2)(x^2+4)$

3 0

3 years ago

The sum of eight times a number and negative four exceeds twelve

zavuch27 [327]

8(n + -4) > 12
8n +-32 > 12
12 + 32 equals 44
8n > 44
44 divided by 8 equals 5.5
So the answer is greater than 5.5

4 0

3 years ago

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On a cold day, the temperature in a certain city changed - 23.8°F

konstantin123 [22]

Answer:

-3.5°F

Step-by-step explanation:

-23.8°F/6.8(hrs)= -3.5°F

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2 years ago

The triangles are isosceles and ΔABC : ΔJKL. What is the length of pie?<br>A=2.5cm<br>C=4cm<br>k=5cm

Pavlova-9 [17]

The length of the pie is 20cm2

6 0

2 years ago

Find the product. Simplify if possible

KATRIN_1 [288]

−1/3⋅(8 1/7)

change 8 1/7 to an improper fraction

8 1/7 = (7*8 +1)/7 = 57/7

-1/3 * 57/7

-57/21

21 goes into 57 2 times with 15 left over

-2 15/21

divide top and bottom of the fraction by 3

-2 5/7

Choice B

4 0

2 years ago

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