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WITCHER [35]
3 years ago
6

What are the symptoms of AIDS???????​

Mathematics
1 answer:
Vikentia [17]3 years ago
5 0
It requires a medical diagnosis, but flu- like symptoms can occur. Fever, Sore throat, and fatigue can occur. Some symptoms are weight loss, fever or night sweats, and recurrent infections.
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Two spray paint machines are used to paint different portions of a large wall. The first machine (nicknamed "Paint Pro") is used
jonny [76]

Answer: The answer is 30 sq.ft/min and 25 sq.ft/min.


Step-by-step explanation:  Given that there are two spray paint machines. The first machine (nicknamed "Paint Pro") is used for two hours and the second machine (nicknamed "Goldilocks") is used for an hour and a half. When they are working at the same time, they can paint 55 square feet per minute and together they painted 5850 square feet of wall.

Let 'x' and 'y' sq.ft/min be the portion of the wall painted by Paint Pro and Goldilocks respectively.

Then, according to the question, we have

x+y=55,\\\\120x+90y=5850~~\Rightarrow 4x+3y=195.

Multiplying first equation by 4 and subtracting the second equation from it, we have

4y-3y=220-195\\\\\Rightarrow y=25,

and

x=55-25=30.

Thus, Paint Pro will paint 30 sq.feet per minute and Goldilocks will paint 25 sq.ft per minute.

4 0
2 years ago
Help solve these please 1.w + 10 = 25
4vir4ik [10]

Answer:

1. w = 15

2. b = 4.8

3. s = 9.7

4. p =15

5. m = -3.2

Step-by-step explanation:

1.w + 10 = 25

we have to find the value of w, so moving 10 from left side to right side

w= 25 - 10

w = 15

2. 7.2 + b = 12

we have to find the value of w, so moving 7.2 from left side to right side

b= 12 - 7.2

b= 4.8

3. 5.3 + s = 15

s= 15 - 5.3

s= 9.7

4.p + (-25) = -10

p-25 = -10

p= -10 + 25

p= 15

3. m + (-1.6) = -4.8

m - 1.6 = -4.8

m = -4.8 + 1.6

m= -3.2

3 0
3 years ago
Read 2 more answers
I need help on this it would really make my day
Nady [450]

Answer:

Step-by-step explanation:

49

4 0
2 years ago
Read 2 more answers
Find x if, 5x+2x=2-1<br>​
3241004551 [841]

Answer:

x = 1/7

Step-by-step explanation:

add the two numbers with the x's and subtract 1 from 2. You'll get 7x = 1. Divide 7 from both sides to get x by itself.

6 0
3 years ago
Read 2 more answers
Simplify (-2ab^2b) • (4a^5b^2)
notsponge [240]

Answer:

-8a^{6} b^{4}

Step-by-step explanation:

okay, to start, lets rewrite this so there are no weird symbols:

(-2ab^{2} )(4a^{5} b^{2} )

so, we are going to multiply the coefficients first. ( -2 times 4)

we get -8. now, when you multiply variables that have exponents, we actually add the exponents. remember it is like terms, so a goes with a and b goes with b.  so, the a times a^{5} would equal a^{6}. (because a is the same thing as a^{1}).

now lets look at b. b^{2} times b^{2} would equal b^{4}. so, because we have multiplied the parentheses, lets look at what we have. we have -8, a^{6}, and b^{4}. we need to remember that these were originally multiplied by each other, so we are going to write it that way. -8a^{6} b^{4}. we always write coefficients first, and then the variables in the order of the alphabet. i hope this helps and have a great day!

8 0
3 years ago
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