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Lapatulllka [165]
3 years ago
5

MYP 1 Mathematics Unit 4 Summative Assessment; An example please!

Mathematics
1 answer:
tresset_1 [31]3 years ago
6 0

You just have to answer to all of the questions and bullet points. Think about them, and do some sketches. In the end that will help you to end the assignment.

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What is -3/2 - 7/4 + 1/8
Eddi Din [679]

Answer:

3/8

Step-by-step explanation:

-3/2 can change to -12/8

7/4 can change to 14/8

1/8 stays the same

-12/8 + 14/8 = 2/8 + 1/8 = 3/8

3 0
3 years ago
What number is 9/21 of 1260?
devlian [24]

Answer:

It's 540.

Step-by-step explanation:

You divide 9 by 21 then you multiply it by 1260 and you get 540

3 0
3 years ago
Lucy is tiling her bathroom. She buys white and blue tiles in the
balandron [24]

Answer:

£289.20

Step-by-step explanation:

13:2 = x:16 or 13/2 = x/16

cross multiply: 208 = 2x

simplify: x = 104

16 blue tiles x £2.80 each = £44.80

104 white tiles x £2.35 each = £244.40

44.80 + 244.40 = £289.20

7 0
3 years ago
Find the solution(s) to 22 +57-3 = 0. Check all that apply.
irakobra [83]

Answer:

x = -3 and x = 1/2

Step-by-step explanation:

To find the solutions to

2x² + 5x - 3 = 0

we can use the quadratic formula, as follows:

x = \frac{-b \pm \sqrt{b^2- 4(a)(c)}}{2(a)}

x = \frac{-5 \pm \sqrt{5^2- 4(2)(-3)}}{2(2)}

x = \frac{-5 \pm 7}{4}

x_1 = \frac{-5 + 7}{4}

x_1 = 0.5

x_2 = \frac{-5 - 7}{4}

x_2 = -3

8 0
2 years ago
Felix can have 1 fish for every 4,000 mm of water in his fish tank. his fish tank holds 180 l. how many fish can he have in his
Alenkasestr [34]
45 fish

1 L = 1,000 mL
180(1,000) = 180,000
180 L = 180,000 mL
180,000/4,000 = 45

3 0
3 years ago
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