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enot [183]
2 years ago
15

Plz help will give Brainliest

Mathematics
2 answers:
belka [17]2 years ago
6 0

Answer:

first we have to collect the like terms:-

3ac-ac-7ab-2ab+5ba+3ba+4a-a

2ac-8ab+8ba+3a

2ac-8ab+8ab+3a

2ac+3a

Step-by-step explanation:

hope this helps you!!!

MARK AS BRAINLIEST PLEASE

NNADVOKAT [17]2 years ago
4 0

= 2ac \:  + ab \:  + 3a \:  - 2bc

<em>see </em><em>the</em><em> </em><em>attachment</em><em>!</em><em>!</em>

<em>hope </em><em>it</em><em> helps</em>

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6 ft.<br> 12 ft.<br> 8 ft.<br> The area of this irregular<br> figure is<br> -sq. ft.<br> 16 ft.
nikdorinn [45]

Answer:

When we know all 3 sides, we use Heron's Formula

area = sqrt [s *(s-a) * (s-b) * (s-c)]

where "s" is the semi-perimeter which in this case equals

s = (6 + 8 + 12) / 2   = 13

area = sqrt [13 * 5 * 7 * 1]

area = sqrt 455

area = 21.3307290077

area = 21.33 square feet (rounded)

Step-by-step explanation:

3 0
3 years ago
How many ways could you draw a single card from a 52 card deck and get either a heart or a king?
alekssr [168]
25 is the correct answer
3 0
3 years ago
The fish population in a local stream is decreasing at a rate of 3% per year. The original population was 48,000. Write an expon
ElenaW [278]

Answer:

Results are below.

Step-by-step explanation:

Giving the following information:

Decrease rate (d)= 7%

Number of periods (n)= 7 years

Current population (PV)= 48,000

<u>First, to calculate the future value, we need to use the following decrease exponential formula:</u>

<u />

FV= PV*[(1+d)^-n]

<u>After 7 years:</u>

FV= 48,000*(1.07^-7)

FV= 29,892

8 0
3 years ago
rectangle A has 7 times the area of rectangle B. The width of rectangle A is 1/4 the width of rectangle B. The height of rectang
algol13

Answer:

just do 7 times 1/4 + the 12 thats your answer

Step-by-step explanation:

8 0
3 years ago
The larger of two numbers is 12 more than the smaller their sum is 84 find the numbers
dedylja [7]
EXPLANATION:
Let the smaller no. be x.
Therefore, The bigger no. = x+12

x + 12 + x = 84
=> 2x = 84-12
=> x = 72/2
=> x = 36

ANSWER: The two numbers are (36+12) 48 & 36

Hope it helps u!
4 0
2 years ago
Read 2 more answers
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