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melisa1 [442]
4 years ago
9

use the digits 1, 3, 4, and 7 to create two whole numbers whose products is estimated to be about 600

Mathematics
1 answer:
maks197457 [2]4 years ago
8 0
47 and 13 would be the answer. You can figure out this equation by doing the guess and check process. By doing this method I could easily figure out that some combinations would not work.
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Solve it please. Just wanted to check my drawing skill but please solve it​
polet [3.4K]

Answer:

Step-by-step explanation:

I'm assuming that strange looking thing is a 9, so begin by multiplying both sides by that denominator to get:

x-9=\sqrt{x}+3 then subtract 3 from both sides to get

x-12=\sqrt{x} and then square both sides to get

x^2-24x+144=x and get everything on one side to solve for x by factoring:

x^2-25x+144=0 and factor that however it is you have learned to factor second-degree polynomials to get that

x = 16 and x = 9. We have to check for extraneous solutions because anytime you manipulate an equation, as we did by squaring both sides, you run the risk of these solutions that actually don't work when you plug them back into the original equation. Let's try 16 first:

\frac{16-9}{\sqrt{16}+3 }=1  If 16 is a solution, then this statement will be mathematically true.

\frac{7}{4+3}=1  and   \frac{7}{7}=1 so 16 works. Let's try 9:

\frac{9-9}{\sqrt{9}+3 }=1  We know that one doesn't work, because 9-9 = 0 and 0 over anything = 0, not 1.

x = 16 is the only solution.

5 0
3 years ago
Read 2 more answers
If 2x+3+7×=-24 what is the value of x
neonofarm [45]

Answer: x = -3

Step-by-step explanation:

2x + 7x = 9x

9x + 3 -24

- 3

9x = -27

divide by 9

-3 = x

4 0
4 years ago
Read 2 more answers
How do I solve this?
statuscvo [17]
Distribute the 2 then do your loop.
5^3 = 2x+16
Then you can solve for x.
5 0
3 years ago
John is five years older than his sister. the product of their present ages is 150.
liraira [26]

Answer:

john's age= x + 5

his sister's age= x

x + 5 + x = 150

2x + 5 = 150

2x = 150 - 5

2x = 145

x = 145 ÷ 2

x = 72.5

so, 72.5 + 5 = 77.5

john's present age is = 77.5

his sister's present age is = 72.5

7 0
3 years ago
Triangle
sertanlavr [38]

Answer:

a

Step-by-step explanation:

worng worng

6 0
3 years ago
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