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Andreas93 [3]
3 years ago
9

Solve the simultaneous equation. 7a+3b=46 4a+5b=69

Mathematics
1 answer:
irinina [24]3 years ago
7 0

Answer:

a=1 and b=13

do you need the working out?

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Iconic memory is used when a loud thunderclap occurs during a storm. Please select the best answer from the choices provided T F
jek_recluse [69]

Answer:

The statement is false.

Step-by-step explanation:

" Iconic memory is the visual sensory memory (SM) register pertaining to the visual domain and a fast-decaying store of visual information. It is a component of the visual memory system which also includes visual short-term memory (VSTM) and long-term memory (LTM) "

<em>FOR EXAMPLE:</em>

You are glancing at your friend's phone and you see some image then afterward when you close your eyes you will be able to visualize the image very briefly.

Hence the given statement:

" Iconic memory is used when a loud thunderclap occurs during a storm is FALSE "

7 0
3 years ago
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WHATS THE AREA OF THE TRAPIZOID?!
Helen [10]

Answer: 45.. i think.

Step-by-step explanation: I couldn't really get the measurements from this photo so here is what I got. I used the formula A=a+b over 2 times h. I used 7=a, b=11,h=5. I added 7 and 11 to get 18, then divide that by 2, which equals 9. Then 9 times 5 = 45. I hope this somewhat helps.

3 0
3 years ago
Find the product of (3x+2)(3x+7)
Alja [10]

Answer:

it is a quadratic equation

Step-by-step explanation:

3x(3x+7) +2(3x+7)

9x square +21x +6x+14

= 9x square +27x +14

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OPEN-UP... | GRADE
allochka39001 [22]

Answer:

The answer to your question is: 19 l

Step-by-step explanation:

Data

20 quarts to liters

Process

Rule of three

                         1 quart ------------------  0.946 l

                       20 quarts --------------     x

                           x = (20 x 0.946) / 1

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3 years ago
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The answer is sometimes 
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