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3 years ago

6

Four math classes recorded and displayed student heights to the nearest inch in histograms. Which histogram can be described as

skewed left?

2 answers:

Vsevolod [243]3 years ago

7 0

Answer:

The answer is the last graph

kari74 [83]3 years ago

3 0

the answer is d (or the last graph)

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A rain gutter is made from sheets of aluminum that are 20 inches wide by turning up the edges to form right angles. Determine th

Mice21 [21]

<span>For the answer to this question,

Let x = depth of the gutter
then
18 - 2x = width of the gutter
Cross section area
A = depth x width

</span><span> = x(18 - 2x)
A = 18x - 2x^2
:
Axis of symmetry will give x value for max area:

x = -b/(2a)
x = -18/(2x(-2))

x = 4.5 inches is the depth for max area

</span><span>Max area: 4.5 * 9 = 40.5 sq/in

I hope my answer helped you.</span>

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3 years ago

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alexira [117]

60 because you Multiply all the numbers and get your answer

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3 years ago

Less than 0 and greater than -10

Veronika [31]

Answer:

-5

Step-by-step explanation:

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3 years ago

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Aluate 18 - (2 + 6h), if h = 2

densk [106]

Answer:

4

Step-by-step explanation:

Simple, just plug in, distribute, then solve.

18 - (2+6(2))

18 - (2 + 12)

18 - 14 = 4.

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4 years ago

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The perimeter of a rectangle is 60 cm. The ratio of length to width is 3:2. Find the length and width of the rectangle.

Hoochie [10]

Given :

The Perimeter of the rectangle is 60 cm
The ratio of the length to the width is 3:2.

To Find :

The Length and width of the rectangle .

⠀

Solution :

We know that,

$\qquad{ \bold{ \pmb{2(Length + Breadth ) = Perimeter_{(rectangle)}}}}$

Let's assume the length of the rectangle as 3x inches. and the width is 2x inches.

⠀

Now, Substituting the given values in the formula :

$\qquad \dashrightarrow{ \sf{2(3x + 2x )= 60}}$

$\qquad \dashrightarrow{ \sf{2(6x)= 60}}$

$\qquad \dashrightarrow{ \sf{12x= 60}}$

$\qquad \dashrightarrow{ \sf{x= \dfrac{60}{12} }}$

$\qquad \dashrightarrow{ \bf{x= 5}}$

Therefore,

$\qquad { \pmb{ \bf{ Length _{(rectangle)} = 3x \: = 3(5) = 15 \: inches}}}\:$

$\qquad { \pmb{ \bf{ Width _{(rectangle)} = 2x = 2(5) = 10 \: inches}}}\:$

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3 years ago