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Write $\frac{4}{10}$ as a decimal.
Complete the statement.
Two straight lines which meet at 90° are called ........................................................ lines. [1]
Xander spins this unbiased 8-sided spinner.
Find the probability that the spinner lands on an even number.
Give your answer as a decimal.
Total mass of hay = mass of one bale \times number of bales
Work out the total mass of hay when there are 10 bales and the mass of each bale is 21 kg.
...................................... kg [1]
From the list of numbers, write down
(a) the square number, .................................................... [1]
(b) the prime number. ...................................................... [1]
On the diagram, draw all the lines of symmetry.
Find 75\% of 200.
Change 3\(\frac{1}{4}\) hours into minutes.
Insert one pair of brackets to make this statement correct. $10 \div 2 + 2 + 1 = 2$
The coordinates of two points are (1, 5) and (5, 5).
Work out the distance between the two points.
Rosa wants to collect information about cars.
(a) Write down an example of discrete data that she could collect. .................................................................................................................... [1]
(b) Write down an example of continuous data that she could collect. .................................................................................................................... [1]
Find the value of $c$.
Give a reason for your answer.
$c = \text{.......................}$ because $\text{...............................................................}$ [2]
Write down the largest integer value of $x$ so that $x \leq -24$. .................................................................... [1]
Find the total surface area of a cube of side 2 cm. ............................... \text{cm}^2 \hphantom{.....} [2]
A shark swims 200 metres in 40 seconds.
Find its average speed. ..................................... m/s [1]
Factorise.
$$15a - 3b + 9c$$
Megan asked some people if they prefer to read emails on their phone or on their laptop. The results are shown in the table.
[Table_1]
| Age Range | Phone | Laptop |
|-----------|-------|--------|
| $10 < \text{ age } \leq 30$ | 9 | 1 |
| $30 < \text{ age } \leq 50$ | 6 | 4 |
| $50 < \text{ age } \leq 70$ | 3 | 7 |
One of these people is chosen at random.
Find the probability that they prefer to read emails on their phone.
Find the value of $x$.
[Image_1: A triangle with angles $x^\circ$, $(x+10)^\circ$, and $60^\circ$]
$x = \text{.......................................}$
Solve the inequality.
$x + 1 < 3$
......................................................... [1]
A bag contains 20 almonds. The mean mass of an almond in the bag is 4 grams.
Work out the total mass of the almonds in the bag. ........................................... grams [1]
U = \{ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 \}
A = \{ 1, 4, 5, 6, 9 \}
B = \{ 2, 4, 7, 10 \}
(a) Complete the Venn diagram by writing each element in the correct region.
[2]
(b) Find $A \cap B$.
$A \cap B = \{ \text{............................................} \}$ [1]
(c) Find $n(A \cup B)$.
...................................................... [1]
(a) Write each number in standard form.
(i) 8500 ................................................................................................. [1]
(ii) 0.02 ................................................................................................ [1]
(b) Find the value of 8500 \times 0.02.
Write your answer in standard form. ................................................................................................. [2]
f(x) = x - 3
The domain of f(x) is $1 \leq x \leq 9$.
Find the range of f(x).
Explain why the gradient of this line is $-2$.
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