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nadezda [96]
3 years ago
8

40% of _ =$10:00 A $0.25 B $4.00 C $25.00 D $40.00 E none of these

Mathematics
2 answers:
Savatey [412]3 years ago
8 0

Answer:

C $25.00

Step-by-step explanation:

I don't have much time, but 0.4*25 = 10.

Set 2/5 (40/100) to equal 10/x.

True [87]3 years ago
4 0
B $4.00
...............
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Find the equation of the line shown
Finger [1]

Answer:

y=x+1

Step-by-step explanation:

As you can see, the slope is clearly 1 and the line starts at (0, 1), which is its y-intercept.

Plug the variables into this formula: y=mx+b, then you will get y=x+1.

3 0
3 years ago
El número equivalente de 25/50 por favor
Viefleur [7K]

Answer:

El número equivalente de 25/50 es 1/2

Step-by-step explanation:

3 0
2 years ago
Using f(x) = 8x + 5 and g(x) = 7x - 2, find:g(f(6))
iren2701 [21]

Answer:

369

Step-by-step explanation:

g(f(x)) simply means to put the whole expression of function f(x) into the place of "x" in g(x).

and to find the functional value for a specific x we just need to calculate functional value for f(x) and use that result as input for g(x).

f(6) = 8×6 + 5 = 48 + 5 = 53

and now

g(53) = 7×53 - 2 = 371 - 2 = 369

to check we do the general functional substitution :

g(f(x)) = 7×(8x+5) - 2 = 56x + 35 - 2 = 56x + 33

g(f(6)) = 56×6 + 33 = 336 + 33 = 369

correct

5 0
2 years ago
Use the function F(3)<br> F(x) =(1/5)^x<br> A.)1/15<br> B.)1/125<br> C.)3/5<br> D.)3/125
nalin [4]
Here is your answer

B) 1/125

REASON:

Given,

F (x)={(1/5)}^{x}

for F (3)

Putting x=3, in above function we get

F (3)= {(1/5)}^{3}= 1/125


HOPE IT IS USEFUL
6 0
2 years ago
Strontium-90 has a half-life of about 29 years. After 65 years, about how many grams of a 25-gram sample will remain?
konstantin123 [22]

Answer:

Ending Amount = Beginning Amount / 2 ^ n

where 'n' = number of half-lives n = 65 / 29 = 2.2413793103

Ending Amount = 25 g / 2^2.2413793103

Ending Amount = 25 / 4.7284892286

Ending Amount = 5.2871009727  g = 5.29 g (rounded)

Step-by-step explanation:

3 0
3 years ago
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