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Otrada [13]
3 years ago
13

What is the percentage difference between 50 and 45

Mathematics
1 answer:
Vinil7 [7]3 years ago
6 0
45 is 90 percent of 50. / / / 50 is (111 and 1/9) percent of 45.
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I need help, please<br> it is do tomorrow
Maru [420]

Answer:

21 millimeters

Step-by-step explanation:

ummmm yes

8 0
3 years ago
if the sum of two numbers is four and the sum of their squares minus three times their product is 76, find the numbers
Sauron [17]

Answer:

Numbers =(6,-2 )

Step-by step explanation:

Given

the sum of two numbers is four and the sum of their squares minus three times their product is 76,

Let the first term =X

Second term will be=4-x

So

X^2+(4-x)^2-3x(4-x)=76

x^2+16+x^2-8x-12x+3x^2=76

5x^2-20x+16=76

5x^2-20x-60=0

5(x^2-4x-12)=0

So x^2-4x-12=0

x^2-(6-2)x-12=0

x^2-6x+2x-12=0

X(x-6)+2(x-6)=0

(X-6)(X+2)=0

X=6,-2

Let X=6 and -2 then numbers will be 6 and (4-6)=-2

6 0
3 years ago
andres has 10 more goldfish than todd. Together,they have 50 goldfish.How many goldfish does each boy have?
Dmitry [639]
Let's go ahead and construct an equation to show this. Together, they have 50 goldfish. This can be represented as =50. 

Since we don't know how many Todd has, we're going to make a variable. We'll name it T, for Todd.

What about Andres? How many does he have? 10 more than Todd. Well, if Todd's amount is T, and Andres has 10 more, we can express that as T+10.

Now, just put the two pieces together! T+10=50. 

The next step is inverse operations. You want to find out how many T is, so you need to get rid of the 10. To take 10 away from something is doing what? Subtraction! Be warned, though; whatever you do to one side of the problem, you have to do to the other. 10-10 is 0, and 50-10 is 40. Since we took the 10 away and 50 is now 40, what you're left with is T=40.

Wait a second.. wasn't "T" Todd's amount? Yep! That means that Todd has 40 goldfish. And we already know that Andres has 10, so there's your answer!
3 0
3 years ago
Read 2 more answers
What is 0.514 written as a power of 10? 514 x 102 514 x 103 514 x 10-3
vovikov84 [41]
0\underbrace{.514}_{3\to}=514\cdot10^{-3}
8 0
3 years ago
Read 2 more answers
2. Sally is eating a bag of M&amp;M's. 12 were green, 16 were brown, 8 were
MariettaO [177]

Answer:

60%

Step-by-step explanation: 12+16+8+4 is equal to 40. 40 minus the number of brown m&ms is 24 .24/40 as a percentage is 60%. Hope this helps!!!

3 0
3 years ago
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