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nlexa [21]
4 years ago
15

Please answer this correctly

Mathematics
1 answer:
notka56 [123]4 years ago
5 0

Answer:

Option 1

Step-by-step explanation:

The temperature was -11 degrees Fahrenheit in Chicago. In Cheyenne, it was 11 degrees Fahrenheit warmer than Chicago's temperature.

-11 + 11 = 0

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Change to standard form.<br> 2x=3y-8
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Standard form is Ax + By = C
Where A is a positive integer
The y needs to be moved to the left side so subtract 3y from both sides.
2x - 3y = -8
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3 years ago
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Given the expression 4x2y+5x−6xy2−4xy+6x2y, select the like term that would combine with 4x2y. −6xy2 −4xy 5x 6x2y
Svetach [21]

Answer:

All two are to the second power

Step-by-step explanation:

6 0
3 years ago
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6 0
4 years ago
the length, breadth and height of a cuboid are in the ratio 5:4:2 if the volume of cuboid is 5000 cm,then what will be the surfa
Sonbull [250]

Answer:

  1900 cm²

Step-by-step explanation:

We can use the given ratios and volume to find the scale factor for the dimensions. Knowing the dimensions, we can compute the surface area using the formula for a cuboid.

__

<h3>dimensions</h3>

Let k represent the scale factor. Then the actual dimensions will be 5k, 4k, and 2k. The actual volume will be ...

  V = LWH

  5000 cm³ = (5k)(4k)(2k) = 40k³

  k³ = (5000 cm³)/40 = 125 cm³

  k = ∛(125 cm³) = 5 cm

The cuboid dimensions are 5(5 cm) = 25 cm, 4(5 cm) = 20 cm, and 2(5 cm) = 10 cm.

__

<h3>area</h3>

The surface area of the cuboid can be computed from ...

  A = 2(LW +H(L +W))

  A = 2((25 cm)(20 cm) +(10 cm)(25 +20 cm))

  A = 2(500 cm² +(10 cm)(45 cm)) = 2(950 cm²) = 1900 cm²

The surface area of the cuboid is 1900 cm².

8 0
2 years ago
How do you do number 15 and 17? Help please?
vodomira [7]
15)

m = Miguel Indurian titles amount        l = Lance Armstrong titles amount

they both won titles to the tour de france, if we add all together, they sum up to 12 for both of them
so.. whatever "m" and "l" are, we could say that m + l = 12

now... Miguel won 2 fewer than Lance, so, whatever "l" is, m = l - 2
thus    \bf \begin{cases}&#10;\boxed{m}=l-2\\\\&#10;m+l=12\\&#10;----------\\&#10;\left( \boxed{l-2} \right)+l=12&#10;\end{cases}

solve for "l", to see how many Lance won

how many did Miguel win? well,  m = l - 2

---------------------------------------------------------------------------------

17)

c = mgs amount in 12oz cup of regular coffee at starbucks
d = mgs amount in 12oz cup of regular decaffeinated coffee at starbucks

we know the regular coffee cup, has 13 times more than the decaf, same 12ouncer

thus whatever "c" and "d" are, we know that c = 13d
both 12ouncers put together, yield 280mgs of caffeine

so, one could say that whatever "c" and "d" are, c + d = 280

thus      \bf \begin{cases}&#10;\boxed{c}=13d\\\\&#10;c+d=280\\&#10;----------\\&#10;\left(  \boxed{13d}\right)+d=280&#10;\end{cases}

solve for "d" to see how much is in the decaffed cup

the regular coffee cup?  well c = 13d
8 0
4 years ago
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