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Margaret [11]
3 years ago
9

I need help asap please

Mathematics
1 answer:
RSB [31]3 years ago
4 0

Answer:

Step-by-step explanation:

The first statement is correct.  The volume of this rectangular prism is v = l*w*h, and so 495 cm^3 = (12*2.5 cm^2)*h is correct.

To find h, Zoe should divide 495 cm^3 by (12*2.5 cm^2), so the second statement is wrong.

The third statement is incorrect, due to an arithmetic error.  495 cm^3 divided by (12*2.5 cm^2) is 16.5 cm, not 15.5 cm.  Thus:  the missing height, h, is 16.5 c.m.

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lawyer [7]

The answer is shown in the doodle. hope this helps

8 0
3 years ago
Simplify. 11-19i/8-5i
Advocard [28]

Good evening ,

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Answer:

\frac{183-97i}{89}

____________________

Step-by-step explanation:

(11-19i)/(8-5i)

=(11-19i)(8+5i)/(8-5i)(8+5i)

=(88+55i-152i+95)/(8²+5²)

=(183-97i)/89.

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4 0
3 years ago
A rectangle has a perimeter of 64.
vovangra [49]

Answer:

You can use option (D) to find the area of rectangle

(D) y = - x²+32x

Step-by-step explanation:

If you can substitute your values you can find your answer

THANK YOU....

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5 0
3 years ago
Read 2 more answers
When r = 4, S = 9, and t = 2. *<br> 5r2 + 4s<br> (4 + 6t) - 12<br> pls help!!
Lina20 [59]

Step-by-step explanation:

5×16+4×9=116

(4+6×2)-12=4

3 0
3 years ago
add simplify if possible I've already posted this once and I don't know what the answer was correct as somebody can do this I wi
elena55 [62]

Answer: 15 + 53/77


Step-by-step explanation:


Multiplying a fraction by 1 does not change the value.

Any number divided by itself is 1.

For instance, 11/11 = 7/7 = 1.


12 + 1/7 + 3 + 6/11 = 15 + 1/7 + 6/11

= 15 + (11×1)/(11×7) + (7×6)/(7×11)

= 15 + 11/77 + (6×7)/77

= 15 + (11 + 6×7)/77

= 15 + 53/77


It is faster to make sure to multiply by the "smallest" form of one that will work, but you don't have to. You only need to make sure that at the end there are no common factors in numerator and denominator, and that numerator is smaller than denominator.

6 0
4 years ago
Read 2 more answers
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