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Sav [38]
3 years ago
7

How many tiles, each 50 cm × 50 cm, would be needed to cover a floor 5 metres 4 metres? What would be the cost of these tiles if

I had to pay £7.50 for 10 tiles?
Mathematics
1 answer:
Tanzania [10]3 years ago
7 0
50 cm in meters is 0.5 m
Area covered by a tile = 0.5 * 0.5 = 0.25 m^2

Total area for floor = 5 * 4 = 20 m^2
Tiles required = 20/0.25 = 80 tiles

If 10 tiles cost £7.50 then 1 tile = <span>£7.50/10
then 80 tiles = 7.50/10 * 80 = </span><span>£60.00</span>
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Write the equation of the line that passes through the points (2,5) and (3, 10)
mihalych1998 [28]

Answer:

y = 5x-5

Step-by-step explanation:

First find the slope

m = ( y2-y1)/(x2-x1)

   = ( 10-5)/(3-2)

   = 5/1

  =5

Using slope intercept form

y = mx+b

y = 5x+b

Substituting a point into the equation

5 = 5*2+b

5 = 10+b

Solving for b

5-10 = b

-5 =b

y = 5x-5

7 0
3 years ago
Pls help me with this geometry homework:
Viefleur [7K]

Answer:

<h2>m∠BWP = 46°</h2>

Step-by-step explanation:

YZXW is a quadrangle.

We know: Angles i quadrangle add up to 360°.

Therefore we have the equation:

m∠DYP + m∠CZR + m∠AXS + m∠BWQ = 360°

Substitute given measures of angles:

46° + 76° + 104° + m∠BWQ = 360°

226° + m∠BWQ = 360°         <em>subtract 226° from both sides</em>

m∠BWQ = 134°

∠BWQ and ∠BWP are supplementary angles (add up to 180°).

Therefore

m∠BWP = 180° - 134°

m∠BWP = 46°

Other method.

m∠CZR + m∠AXS = 76° + 104° = 180°

Conclusion: YZXW is a trapezoid. Therefore CD is parallel to AB.

Therefore ∠DYP and ∠BWP are corresponding angles.

Corresponding angles have equal measures.

Therefore m∠BWP = m∠DYP = 46°

4 0
4 years ago
Quadrilateral ABCD ABCD is similar to quadrilateral EFGH EFGH. The lengths of the three longest sides in quadrilateral ABCD ABCD
Kay [80]
Sketch the two quadrilaterals and label them as shown in the figure below.

Let x =  length of the 4th side of ABCD.

Because ABCD ~ EFGH, therefore
x/5 = 14/6

That is,
x = (5/6)*14 = 11.67 ft

Answer: D. 11.7 ft

5 0
4 years ago
The volume of a sphere is a function of its radius. V equals 4 over 3 πr cubed . Evaluate the function for the volume of a volle
Nataly_w [17]

Answer:

The answer to your questin is:  V = 5276.7 cm³

Step-by-step explanation:

Data

radius = 10.8 cm

Volume = ?

Formula

                V = \frac{4}{3} \pi  r^{3}

                V = \frac{4}{3} \pi  (10.8)^{3}

                      V = 5276.7 cm³

4 0
3 years ago
What is the solution to the equation below?<br> logg x = 4
Darya [45]
Anwser is b

Because I just did the same quiz
5 0
3 years ago
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