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Lapatulllka [165]
3 years ago
10

brenda's dad measures her height to be 61 1/8 inches. six months later, he measures her height again. he says she has grown 3 1/

16 inches how tall is brenda
Mathematics
1 answer:
Monica [59]3 years ago
3 0

Answer:

9 3/16

Step-by-step explanation:

to add fractions make sure they have a common denominator

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A box of facial tissues is 22 cm by 10.5 cm by 8 cm how much cardboard is on the outside surface?
beks73 [17]
Dude y you even as its just the surface area you just use the formula
4 0
2 years ago
Someone help and make sure the answer is right please and thank you!!!! :)
timama [110]

Answer:

A, 6

Step-by-step explanation:

50=8x+2

<em>subtract</em> 2 from both sides

48=8x

<em>divide</em> both sides by 8

x = 6

<em>plz mark me brainliest</em> ;)

3 0
2 years ago
a group of astronauts launched a model rocket from a platform. Its flight path is modeled by h= -4t^2+24t+13 where h is the heig
Eddi Din [679]

Answer:

6.5 seconds

Step-by-step explanation:

Keep in mind that when h=0, this is the same height for both when the model rocket takes off and lands, so when the rocket lands, time is positive. Thus:

h=-4t^2+24t+13\\\\0=-4t^2+24t+13\\\\t=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\\ \\t=\frac{-24\pm\sqrt{24^2-4(-4)(13)}}{2(-4)}\\ \\t=\frac{-24\pm\sqrt{576+208}}{-8}\\\\t=\frac{-24\pm\sqrt{576+208}}{-8}\\\\t=\frac{-24\pm\sqrt{784}}{-8}\\\\t=\frac{-24\pm28}{-8}\\\\t=\frac{-24-28}{-8}\\ \\t=\frac{-52}{-8}\\ \\t=\frac{52}{8}\\\\t=6.5

So, the amount of seconds that the model rocket stayed above the ground since it left the platform is 6.5 seconds

5 0
2 years ago
Read 2 more answers
What is the value of 324 + 435 + 546 when written in base 7?
Arada [10]
<span>The sum of 324, 435, and 546 is 1305. If this number were to be expressed by the base of 7, we would need to figure out what value of exponent would satisfy the requirement. This can be done by setting up an equation where 7 to the power of x must equal 1305. Using logarithms, one can solve for x and find it to be 3.6866853. Thus the sum of the aforementioned numbers, expressed in by the base of 7, is 7^3.6866853.</span>
6 0
3 years ago
How much wrapping is needed for a package that is shaped like a cube<br> 16 in. on each edge?
PtichkaEL [24]

Answer:

1536 in^2

Step-by-step explanation:

This is basically asking for the surface area so knowing that is a cube all the sides are equal so one side would be 16(16) which is 256 in ^2.  The knowing that there is 6 sides you would multiply it by 6 which is 256(6)= 1536^2

3 0
3 years ago
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