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natulia [17]
2 years ago
11

The figure is formed from rectangles. find the total area. the diagram is not to scale

Mathematics
1 answer:
telo118 [61]2 years ago
8 0

Answer:

The area of all the rectangles combined

Step-by-step explanation:

Add them together

ez

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Rich also has £400 pounds invest 3% compound interest . How many years does he need to invest the money to get at least £475
zepelin [54]

Answer: 6 years

Step-by-step explanation:

Formula to calculate compound amount: A=P(1+r)^t, where P= Principal , r=rate of interest, t= time

Given: P = £400, r = 3% = 0.03 , A= 475

Required equation: 400(1+0.03)^t\geq475

400(1.03)^t\geq475\\\\\Rightarrow\ (1.03)^t\geq\dfrac{475}{400}\\\\\Rightarrow\ (1.03)^t\geq1.1875

Taking log on both sides , we get

t \log 1.03\geq\log1.1875\\\\\Rightarrow\ t(0.0128372)\geq(0.0746336)\\\\\Rightarrow\ t\geq\dfrac{0.0746336}{0.0128372}=5.81385\approx6

Hence, he needs to invest the money for 6 years to get atleast £475.

7 0
2 years ago
(<br> x<br> M<br> ,<br> y<br> M<br> )<br> = (2, -8)
Alexeev081 [22]

Answer:

(xM,yM)=(2,−8)

Step-by-step explanation:

hope i helped :) !

5 0
3 years ago
Riddle: there are 10 copy cats in a window how much are left. Cation this is math!!!
grin007 [14]

Answer:

20 cats

Step-by-step explanation:

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6 0
3 years ago
Read 2 more answers
Cai says you can divide both quantities in a ratio by the same nonzero number to
alexandr1967 [171]

Answer:

correct

Step-by-step explanation:

dividing both quantities in a ratio by the same non zero number does indeed find an equivalent ratio.

for example

60 : 36 ( divide both parts by 6 )

= 10 : 6 ← equivalent ratio ( divide both parts by 2 )

= 5 : 3 ← equivalent ratio in simplest form

in fact dividing the original by the HCF of the 2 quantities gives the ratio in simplest form immediately , that is

60 : 36 ( divide both parts by 12 )

= 5 : 3

6 0
2 years ago
The graph shows sales as a function of time.​
pogonyaev

Answer:

You can use the graph of a trigonometry function to show sales amounts over a given period of time. Here’s an example: Even though people in many parts of the world play soccer year-round, certain times of the year show an increase in the sales of outdoor soccer shoes.

Step-by-step explanation:

5 0
3 years ago
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