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Charra [1.4K]
3 years ago
13

Multiply  (x+y-3)(x+y+3)=____

Mathematics
2 answers:
vfiekz [6]3 years ago
8 0
(x+y-3)(x+y+3) = x^2+xy+3x+xy+y^2+3y-3x-3y-9 = -9+x^2+y^2+2xy
SCORPION-xisa [38]3 years ago
6 0
(x+y-3)(x+y+3)=\\
(x+y)^2-9=\\
x^2+2xy+y^2-9
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Mang Ambo was admitted to the hospital because his body temperature is 39.6ºC. How much higher is his temperature than the norma
Rudik [331]

Answer:

2.6 degree Celsius

Step-by-step explanation:

A) It is asked that by how much degrees the temperature of Mang Ambo is higher than that of normal body temperature (37 degree Celsius) of human being

B) Subtraction operation will be used

C) Temperature higher than normal human body temperature

= 39.6 -37\\

D) 2.6 degree Celsius

5 0
2 years ago
The sum of two numbers is 5.036. One number has a4 in the tenths place and a 7in the thousandths place. The other number has a 1
wlad13 [49]
The sum of two numbers 5.036.
first number: one number has 4 in the tenths place, 7 in the thousandths place.
=> x.4x7
2nd number: 1 in ones place and 2 in the hundredths place.
=> 1.x2x
Now, we have the 2 numbers with given clues:
=> x.4x7 + 1.x2x, where x is the missing number.
Note that in adding numbers, we start from the right most.
=>x.4x7 + 1.x2x = 5.036
=> x.4x7 + 1.x29
=> x.407 + 1.x29
=> x.407 + 1.629
=> 3.407 + 1.629
=> 5.036



8 0
3 years ago
Betsy caught three fish. The weights of the fish were 3 lb 2 oz, 2 lb 11 oz, and 2 lb 8 oz. What was the total weight of the thr
UkoKoshka [18]

Answer:

8 lbs 5 oz

Step-by-step explanation:

When you add 3 lbs, 2 lbs, and 2 lbs you get 7 lbs.

There are 16 oz in a lb. When you add the number of oz you get 21 oz which is the same as 1 lb and 5 oz.

you then add 7 lbs to 1 lb and 5 oz and get 8 lbs and 5 oz.

5 0
3 years ago
Which pair of angles add up to 180 degrees?
lutik1710 [3]

a and g i think, hope this helps

4 0
3 years ago
Read 2 more answers
What is <br> y+3x=5<br> step by step?
Galina-37 [17]

Answer:x=5/3−y/3

Step-by-step explanation:

6 0
3 years ago
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