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Karo-lina-s [1.5K]
3 years ago
13

Help with this one 2 plzzz

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

Answer:

t and h

Step-by-step explanation:

t represents the amount of time it took to make the handbags

h represents the amount of handbags made

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The area of a square is numerically 45 more than the perimeter. find the length of the side
omeli [17]
Area of square = l²
Perimeter of square = 4l

According to the question, 
l^2 = 45 + 4l \\\\ l^2 - 4l - 45 = 0 \\\\ l^2 -9l+5l-45=0 \\\\ l(l-9)+5(l-9) =0 \\\\(l-9)(l+5)=0

Using zero product property,

Either, 
l-9 = 0 \\
~~~~~~l = 9

Or,
l+5=0 \\
~~~~~~l=-5

Since length can't be negative, the length is 9


4 0
3 years ago
Y^3-8y^2+19y=12<br>Solve​
Sliva [168]

Answer:

Step-by-step explanation:

steps are below

step 1

y^3-8y^2+19y=12  equation

step 2

y^3-8y2+19y(-12)=12(-12)  minus 12 from both sides

y^3-8y^2+19y-12=0

step 3

(y-1)(y-3)(y-4)=0  add brackets

step 4

(y-1)(y-3)(y-4)=0  factor

step 5

y-1=0 or y−3=0 or y-4=0  set them equal

Answer:

y=1 or y=3 or y=4

3 0
3 years ago
The equation A = p + prt is used to find the accumulated amount, A, of an investment with principal, P, a certain interest rate,
Whitepunk [10]

Answer:

  r equals start fraction cap a minus p over p t end fraction

Step-by-step explanation:

Subtract the term non containing r, then divide by the coefficient of r.

  A=p+prt\\\\A-p=prt\\\\\dfrac{A-p}{pt}=r

4 0
3 years ago
Help please. I don’t understand this topic
forsale [732]
The first option is your answer. 

Sigma notation is just a fancy way to shorten a sum of a series of numbers using a set equation. The "n =" tells you where to start in the sequence and the top number tells you where to stop. 
7 0
3 years ago
I don't how how to do this someone please help!​
Nutka1998 [239]

Answer:

Answer to question 8 is : Area =1017.88 and Circumference =113.1

Answer to question 9 is: Area =490.87 and Circumference =78.54

Step-by-step explanation:

8. i just did  πr2for area and for circumference i did 2πr which is just the equation to find each

9.i found that half of the diameter is 12.5 so i did πr2 to find the Area i filled in the radius and pai and 2πr for circumference filled in the pai and radius

oh also round it if u want

plz give me brainliest and rate it that u and goodluck

3 0
3 years ago
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