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Allisa [31]
3 years ago
10

What is the length of a diagonal of a rectangle 9m long and 5m wide?

Mathematics
1 answer:
Zarrin [17]3 years ago
8 0
Pythagorean Theorem: a^2 + b^2 = c^2

(5)^2 + (9)^2 = c^2
25 + 81 = c^2
106 = c^2
c = square root of 106

Length of a diagonal of a rectangle is square root of 106.
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What is the first step in describing what figure results when a given plane intersects a given three-dimensional figure
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There are three possible results when a plan intersects with a three-dimensional figure and these are:
a point
a line
a plane

The first step in describing the result is to determine first how the plane and the figure intersects.
3 0
3 years ago
How do i solve using the substitution method?<br> x+y=-1 <br> y=-2x
leonid [27]

Answer:

(1, -2)

Step-by-step explanation:

<u>Step 1:  Set the second equation into the first </u>

x + (-2x) = -1

x - 2x = -1

-x / -1 = -1 / -1

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<u>Step 2:  Solve the second equation </u>

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4 0
3 years ago
Read 2 more answers
Which expression is NOT equivalent to −3/8·(−4+1/2)?<br><br><br> Drag this expression to the box.
Aleks [24]

Answer:

The answer to your question is the first option

Step-by-step explanation:

Original expression

                                 -3/8 (-4 + 1/2)

First option    -3/8 (-4)  + (3/8)(1/2)       This option is not equivalent because

                                                              they forgot the negative sign of the

                                                              second term.

Second option (-3/8)(-4) + (-3/8)(1/2)    This option is equivalent to the

                                                               original. Distributive property

Third option    (-3/2)(-3 1/2)                 This option is equivalent to the original

Fourth option  (-3/8)(-3) + (-3/8)(-1/2)  This option is equivalent to the original

4 0
3 years ago
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Mekhanik [1.2K]

Answer:

$0.33 or 33¢

Step-by-step explanation:

33/100 = 0.33 = $0.33

5 0
3 years ago
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aleksandrvk [35]
Distance equals rate times time, so:
D = (66 ft/s) * t
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3 years ago
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