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Tom [10]
2 years ago
12

Write two numbers that are multilied together to get to 75 but are added together to get 10?

Mathematics
1 answer:
Dafna1 [17]2 years ago
7 0
Find all factor pairs of 75, add them to see which ones add to 10
75+1=76, nope
25+3=28, nope
15+5=20, nope
false, the smallest numbers are the sqrt of 75, but they are about 8, and 8+8=16 which is more than 10

there are no 2 numbers


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Oduvanchick [21]
What’s the answer or is a write ur self answer so I can help !
6 0
2 years ago
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I’m completely lost can anybody help solve this
Marizza181 [45]

Answer:

\huge\boxed{x=54^o}

Step-by-step explanation:

<em>Look at the picture.</em>

<em />

We have:

l=108^o

Therefore

2\alpha=108^o           <em>divide both sides by 2</em>

\dfrac{2\alpha}{2}=\dfrac{108^o}{2}\\\\\alpha=54^o

7 0
3 years ago
Inductive reasoning or deductive reasoning:
Nat2105 [25]

Answer:

no

Step-by-step explanation:

Example:

  • 9 is an odd number, but 9 can be divided by 3, so 9 is not a prime number.

  • 49 is an odd number, but 49 can be divided by 7, so 49 is not a prime number.
5 0
3 years ago
Assume that adults have IQ scores that are normally distributed with a mean of mu equals 105 and a standard deviation sigma equa
Sindrei [870]

Answer:

0.7698

Step-by-step explanation:

If you call your random variable X, then what you are looking for is

P(87 \leq X \leq 123)

because you want the probability of X being <em>between 87 and 123.</em>

We need a table with of the normal distribution. But we can only find the table with \mu = 0 and \sigma = 1. Because of that, first we need to  <em>normalize </em>our random variable:

Z = \frac{X - \mu}{\sigma} = \frac{X - 105}{15}

(you can always normalize your variable following the same formula!)

now we can do something similar to our limits, to get a better expression:

\frac{87 - 105}{15} = \frac{-18}{15} = -1.2

\frac{123 - 105}{15} = \frac{18}{15} = 1.2

And we transform our problem to a simpler one:

P(87 \leq X \leq 123) = P(-1.2 \leq Z \leq 1.2) = P(Z \leq 1.2) - P(Z \leq -1.2)

(see Figure 1)

From our table we can see that P(Z \leq 1.2) = 0.8849 (this is represented in figure 2).

Remember that the whole area below the curve is exactly 1. So we can conclude that  P(Z \geq 1.2) = 0.1151 (because 0.8849 + 0.1151 = 1). We also know the normal distribution is symmetric, then

P(Z \leq -1.2)= P(Z \geq 1.2) = 0.1151.

FINALLY:

P(Z \leq 1.2) - P(Z \leq -1.2) = 0.8849 - 0.1151 = 0.7698

5 0
3 years ago
62.5% as a decimal <br>please help me
tamaranim1 [39]
0.625 is the answer hope that hepled
5 0
3 years ago
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