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monitta
4 years ago
5

A builder needs to tile a 7ft by 8ft room with the 1 fr square tiles. How many tiles will she need?

Mathematics
2 answers:
amid [387]4 years ago
8 0

Step-by-step explanation:

no \: of \: tiles =  \frac{area \: of \: room}{area \: of \: one \: tile}  \\  \\  =  \frac{7 \times 8}{1 \times 1}  \\  \\  =  \frac{56}{1}  \\  \\  = 56 \\

Thus, she will need 56 tiles.

Leni [432]4 years ago
6 0

Answer:

56 tiles

Step-by-step explanation:

Find the area of the room = 7 x 8 = 56 ft^{2}

To Find the tiles, divide the area of the room with the area of the tiles.

So, \frac{56}{1} = 56 tiles

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Write a two-column proof.<br> Given: Quadrilateral GKJH is a parallelogram<br> Prove: △GLH ≅ △JLK
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Answer:

See explanation

Step-by-step explanation:

       Statement                                          Reason

1. GKJH is a parallelogram          -               Given

2. GH║KJ                 -                   Definition of the parallelogram

3. ∠HGL and ∠KJL are alternate interior angles -  Definition of alternate interior angles

4. ∠HGL≅∠KJL           -             Alternate interior angles theorem

5. GH≅KJ                    -                   Property of parallelogram

6. ∠GLH and ∠JLK are vertical angles      -       Definition of vertical angles

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4 0
4 years ago
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7 0
2 years ago
3) Tara sold candles to raise money for new playground equipment at her school.
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Answer:

Tara's current expression finds how much the school will be keeping. 50 x 2/5 (also written as 50 x 0.4) totals out as 20. $20 is 2/5 of $50. The expression that Tara SHOULD have written to find how much goes to the candle company would be 50 x 3/5 (also written as 50 x 0.6), as this adds up to 30. $30 is 3/5 of $50.

Step-by-step explanation:

50/5 = 10 which means that 1/5 of 50 = 10.

2/5 of 50 ($20) is kept by the school. This is what Tara's expression finds. This means that $30 is sent to the candle company, and can be found with the expression 50 x 3/5.

The decimals are created by dividing the numerator of the fraction by the denominator (I find it easier to do math with decimals).

3 0
3 years ago
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