3 years ago

If y varies directly with x and y = 20.4 when x = 6, find the value of y when x = -5.

1 answer:

6 0

Answer:

y=-17

Step-by-step explanation:

y=kx

20.4=k6

k=3.4

y=3.4(-5)

y=-17

You might be interested in

777dan777 [17]

The answers would be 1 and 5.

3 0

3 years ago

zmey [24]

Answer:

140

Step-by-step explanation:

The ratio of similitude is 6/5, so the ratio of the areas is (6/5)² = 36/25.

So, the area of XYZ is 100(36/25) = 144, which is about 140

5 0

2 years ago

tigry1 [53]

$a^{log_a(b)}=b$
$ln=log_e$
so
$e^{ln(x)}=e^{log_e(x)}=x$ for all x

first one
$e^{ln(1)}=1$
C is answer

2nd one
$e^{ln(5x)}=5x$
D is answer

5 0

4 years ago

Norma-Jean [14]

2,350,000,000 is 2350 million in standard form

6 0

3 years ago

Len [333]

Divide 72 by 6, and then by 9. Your answers will be there.

5 0

4 years ago