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bixtya [17]
3 years ago
13

Dmitri wants to cover the top and sides of this box with glass tiles that are 1 cm square. How many tiles

Mathematics
1 answer:
Scorpion4ik [409]3 years ago
8 0

9514 1404 393

Answer:

  968

Step-by-step explanation:

The area of the top and sides is given by the formula ...

  A = LW +2H(L +W)

  A = (20 cm)(18 cm) +2(8 cm)(20 cm +18 cm)

  A = (360 +16(38)) cm² = 968 cm²

Since the tiles are 1 cm², 968 tiles are needed.

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Triangle L M Q is cut by perpendicular bisector L N. Angle N L Q is 32 degrees and angle L M N is 58 degrees.
Serga [27]

Answer:

Yes

Step-by-step explanation:

ΔMNL ≅ ΔQNL  by ASA or AAS

by ASA

Proof:

∠ LNM = ∠LNQ    =90

LN = LN   {Common}

∠MLN = ∠QLN     {LN bisects ∠ L}

By AAS

∠Q + ∠QLN + ∠LNQ = 180  {Angle sum property of triangle}

∠Q + 32 + 90 = 180

∠Q  + 122 = 180

∠Q = 180 -122 =

∠Q = 58

∠Q = ∠M

∠MNL =∠QNL = 90

LN = LN {common side}

8 0
4 years ago
Complete the ordered pair for the given equation. (_,-1);y=-3/5x-7
Fiesta28 [93]
Hi!

So for this problem, we're given the y-coordinate and we can plug that in for y in the equation. So let's do that

-1 = -3/5x - 7
6 = -3/5x
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The missing coordinate would be x, assuming that the equation was y = (-3/5)x - 7

3 0
3 years ago
Books at a library sale are sold for $3.50 each. A function, y = 3.50x can be used to generate an input/output table for this sc
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Answer:

the first one is the answer

Step-by-step explanation:

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3 years ago
The monthly profit for a company that makes decorative picture frames depends on the price per frame. The company determines
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the price is= £21.50

hope it helps

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Which two amounts does this statement identify?
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That would be net income (amount made after taxes have been deducted) and hourly wage (amount made per hr at work)
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