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postnew [5]
2 years ago
15

Work out 15% of £24 please

Mathematics
1 answer:
mylen [45]2 years ago
8 0

Answer:

£3.6

Step-by-step explanation:

24 = 100% ; x = 15%

Let's make it simple

\frac{x}{24 } = \frac{15}{100}   ; x = 24.15/ 100 ; x=3.6

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a shipping company makes a display to show how many cubes can fit into a large box. each cube has a side of 2 inches. the large
ehidna [41]

1 The volume of the cube is 2 * 2 * 2 or 2 ^ 3 in ^ 3 while the volume of the large box is 10 * 10 * 10 or 10 ^ 3 in ^ 3.

2 The answer is 125. Just divide the large box to the volume of the cube 1000 / 8 = 125.

3 The box will hold the same number of balls as small boxes. With the balls, there is empty space.

4 The answer is still 125. Just find the volume of the box and of the cube. Divide the box volume by the cube volume.

4 0
3 years ago
What is the Equation of the line? slope: undefined; (7,-9)
Butoxors [25]

Answer:

x = 7

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
For question 25 please pick 1,2,3 or 4
Juli2301 [7.4K]

Answer:

4.

$x=\frac{2}{3} \pm  \frac{1}{6}i \sqrt{158}$

Step-by-step explanation:

18x^2-24x+87=0

Using Quadratic Formula

$x=\frac{-b\pm \sqrt{b^2-4ac}}{2a}$

$x=\frac{-\left(-24\right)\pm \sqrt{\left(-24\right)^2-4\cdot \:18\cdot \:87}}{2\cdot \:18}$

Solving the discriminant:

\Delta = \left(-24\right)^2-4\cdot \:18\cdot \:87\\\Delta = 576-6264\\ \Delta=-5688

$x= \frac{24 \pm \sqrt{-5688} }{36} $

$x= \frac{24 \pm \sqrt{5688i} }{36} $

Once \sqrt{5688} =\sqrt{2^3\cdot \:3^2\cdot \:79}=6\sqrt{158}

$x=\frac{24\pm6\sqrt{158}i}{36}$

Dividing the denominator and numerator by 6

$x=\frac{4\pm \sqrt{158}i}{6}$

Now rewrite it:

$x=\frac{4}{6} \pm  i\frac{\sqrt{158}}{6}$

$x=\frac{2}{3} \pm i \frac{\sqrt{158}}{6}$

or

$x=\frac{2}{3} \pm  \frac{1}{6}i \sqrt{158}$

5 0
3 years ago
Who traveled farther after 5 minutes? please explain.
andrew-mc [135]
Yeah definitely the first guy
3 0
3 years ago
Can someone please help!!
Alchen [17]

Answer:

AB = 3 and AC = 4

Step-by-step explanation:

Given that the triangles are similar then the ratios of corresponding sides are equal, that is

\frac{AB}{WX} = \frac{BC}{WY} , substitute values

\frac{AB}{30} = \frac{3}{30} ( cross- multiply )

30AB = 90 ( divide both sides by 30 )

AB = 3

and

\frac{AC}{XY} = \frac{BC}{WY} , substitute values

\frac{AC}{40} = \frac{3}{30} ( cross- multiply )

30AC = 120 ( divide both sides by 30 )

AC = 4

3 0
3 years ago
Read 2 more answers
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