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Alex73 [517]
3 years ago
14

Norachai left the mall and traveled toward

Mathematics
1 answer:
sweet-ann [11.9K]3 years ago
4 0

Answer:

I’m pretty sure it’s 160

Step-by-step explanation:

40 mph times 4 hours is 160 miles

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4/7= 5/p. What is P? Pleas solve and show you r work!
vodka [1.7K]
This is a proportion. First you take the numerator times the denominator that is already solved. In this case you will take 5 times 7 and get 35. You then take 35 divided by 4 and get your answer.

8 0
3 years ago
PLEASE HELP FIGURE OUT HOW TO DO THIS! THANK YOU!
S_A_V [24]
Y=16  x=20
 put these values in equation and see rifht or wrong

A) 16 ≠20*20 wrong
B) 16 ≠ (5/4)*20 - wrong
C) 16=(4/5)*20 - right
D) 16≠0.6*20
Answer: C) y=4/5*x
5 0
3 years ago
Read 2 more answers
Show work and solve for √ ( 5 x − 9 ) − 1 = x.
Mandarinka [93]

sqrt (5x - 9) - 1 = x

sqrt(5x - 9) = x + 1

Square both sides:_

5x - 9 = x^2 + 2x + 1

x^2 - 3x + 10 = 0

(x - 5)(x + 2) = 0

x = 5 or -2.

Lets look for for any extraneous solutions:-

x = 5 ;  sqrt (5*5-9) - 1 = sqrt16 - 1 =  3  and  x = 3  (right hand side of equation)

so x = 5 is a solution

x = -2:  sqrt(5*-2 - 9) - 1 =  sqrt (-19) - 1  and x = -2  so this is extraneous

Answer:- One solution x = 5

4 0
3 years ago
Read 2 more answers
What is the expression for "the sum of 8 times a number and two"?
sweet-ann [11.9K]
The sum= +. 

The + of 8 * a number (let number=n) and 2.

8n+2


8 is being multiplied by a number n, and then added to 2.

I hope this helps!
~kaikers
3 0
2 years ago
Read 2 more answers
Please help I can't seem to get this one Thank you
mixer [17]
Do you just want the answer or do you also want the work

7 0
2 years ago
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