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Anni [7]
3 years ago
7

Find the error in the student’s calculation. 2 cubed (2 minus 4) + 5 (3 minus 8). 2 cubed (negative 2) + 5 (5). 8 (negative 2) +

25. Negative 16 + 25. 9. The student should have simplified the exponent first. The student did not subtract 3 and 8 correctly. The student should not have multiplied 8 and -2. The student did not make an error.
Mathematics
2 answers:
Mars2501 [29]3 years ago
7 0

Answer:

B

Step-by-step explanation:

jonny [76]3 years ago
4 0

Answer:

the other dude got it right its b

Step-by-step explanation:

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Claire is designing a banner that will hang in her classroom. The length of one diagonal of the banner is 48 inches, and the sid
zimovet [89]

Answer:  No the banner is not square.

Step-by-step explanation:

If it were square, the diagonal would be about 35.36 inches.

Pythagorean Theorem: a² + b² + = c²

?25² + 25² = 48² ?

625 + 625 ?=? 2304

1250 ≠ 2304

√1250 ≈ 35.3553

7 0
3 years ago
Help please with work
Dmitrij [34]

Answer:

200.96 ft²

Step-by-step explanation:

The question is on surface area of a closed cylinder

Formulae= SA=2 ×pi× r² + 2×pi×r×h

Where pi=3.14

SA= 2×3.14×2² + 2×3.14×2×14

SA=25.12+175.84

SA=200.96 ft²

4 0
3 years ago
A person rented a canoe for 4 hours a paid total of $36. If renting the canoe costs an initial fee of $12 plus an additional amo
Setler [38]

Answer:

do you have a picture of the graph??

if not, the canoe is 6$ and hour and the equation to solve was

36=4x+12

Step-by-step explanation:

7 0
3 years ago
Simplify the expression. <br><br>tan(-x)csc(-x)/sec(-x)cot (-x)
Scrat [10]
Tan(-x)csc(-x)sec -1  (-x)cot(-x) i am not sure, I hope you get a good grade, this is what i got.. ',: (
5 0
3 years ago
X + x + x = 54<br> What’s the answer for this
Oliga [24]

Answer:

x = 18

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

x+x+x=54

(x+x+x)=54(Combine Like Terms)

3x=54

3x=54

Step 2: Divide both sides by 3.

3x  3 = 54

3 x=18

Answer:

x=18

8 0
3 years ago
Read 2 more answers
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