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3 years ago

13

What is a correct representation of X +5 using algebra tiles?

2 answers:

kenny6666 [7]3 years ago

5 0

One “x” tile and five “1” cubes

scoray [572]3 years ago

5 0

Answer:

Im pretty sure its D

Step-by-step explanation:

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Lamar middle school has 125 laptop computers for teachers to use in the classroom.30 of these computers are designated for math

Phantasy [73]

76% are not designated for math classrooms.

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4 years ago

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Answer the problem :)

Tomtit [17]

The domain is the value of x. In this case, -3≤x≤7
the range is the value of y. in this case, -1≤y≤9

this is not a function, because the same x value has two corresponding y values. For example, when x=5, y=0 or y=8

It IS a function if every x value has only one corresponding y value.

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3 years ago

Round each number to the nearest thousandth:<br> C. 0.6<br> d. 5.381

Y_Kistochka [10]

Answer:

Rounding to the thousandth place means you are rounding the number three spots to the right of the decimal point.

Your answers are good as they are

Step-by-step explanation:

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3 years ago

1234567890987654321234567890 divided by 456785678 x 4567567892876543 x 345678920298754673648723693 + 45678 + 1234567890987654321

madreJ [45]

Answer:

8.10800472E59

Step-by-step explanation:

:))

4 0

3 years ago

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A rain gutter is made from sheets of aluminum that are 12 inches wide by turning up the edges to form right angles. Determine th

Len [333]

Answer:

Depth = 3 inches

Maximum cross-sectional area = 18 inches²

Step-by-step explanation:

Let 'D' be the depth of the gutter and 'W' be the width of the gutter, the cross-sectional area as function of depth, A(D), is:

$2D+W = 12\\W=12-2D\\A =D*W\\A(D)=-2D^2+12D$

The depth for which the derivate of the area function is zero is the depth that yields the maximum cross-sectional area:

$A'(D)=0=-4D+12\\D=3\ inches$

The cross-sectional area for D = 3 is:

$A(3)=-2*3^2+12*3\\A(3) = 18\ in^2$

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3 years ago