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blsea [12.9K]
3 years ago
6

1+4=5 2+5=12 3+6=21 8+11=?

Mathematics
1 answer:
g100num [7]3 years ago
7 0
I think the pattern is that you multiply the first number by the second , then add the first number. SO:
e.g. for the first one 1 x 4 = 4 , 4 + 1 = 5
for the second one 2 x 5 = 10, 10 + 2 = 12...
So for 8+11:
you do 8 x 11 = 88 , 88 + 8 = 96
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If $20.00 is for 12.25kg of peas ...what weight of peas can i get for $4.00​
Alina [70]

2.45kg

First you calculate the price per kg as follows:

If it’s $20 for 12.25 kg, the price per kg is $20/12.25=$1.63 per kg


If you have $4, you can figure out what weight you can get by taking $4/the price per kg, so $4/$1.63, which is 2.45 kg.

4 0
3 years ago
Write the expression as a decimal number.<br> 9 × 1 + 4 × 1/10 + 6 × 1/100 + 7 × 1/1000
nydimaria [60]

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Step-by-step explanation:

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3 years ago
Andrew wants to measure the height of a traffic light. He walks exactly 20 feet from the base of the traffic light and looks up.
slava [35]

<u>Answer-</u>

<em>The height of the traffic light is 21.8 feet.</em>

<u>Solution-</u>

As shown in figure, we can see the right triangle formed from the situation,

From the question,

BC = the distance walked by Andrew from the traffic light = 20 feet

Height of Andrew's eye = 5 feet

Height of the traffic light = AB + Height of Andrew's eye

From the properties of triangle,

\Rightarrow \tan \theta =\frac{Height}{Base}

\Rightarrow \tan C =\frac{AB}{BC}

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Therefore, height of the traffic light = AB + Height of Andrew's eye = 16.8+5 = 21.8 feet


4 0
4 years ago
Read 2 more answers
Sketch the region enclosed by the given curves. Decide whether to integrate with respect to x or y. Draw a typical approximating
exis [7]

Answer:

Attached please find response.

Step-by-step explanation:

We wish to find the area between the curves 2x+y2=8 and y=x.

Substituting y for x in the equation 2x+y2=8 yields

2y+y2y2+2y−8(y+4)(y−2)=8=0=0

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From sketching the graphs of the parabola and the line, we see that the x-values on the parabola are at least those on the line when −4≤y≤2.

6 0
3 years ago
Use the table to find the constant of proportionality and the equation that represents the relationship. Let x = number of apple
alexandr1967 [171]

Answer:

a)The constant of proportionality is 6.

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so 6=6(1) which is y=6x

5 0
4 years ago
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