Ask question

Ask question

All categories

3 years ago

5

None of these answers make sense to me, and I cannot go back and look at the notes, if you know anything about scientific notati

on can you please help :)

1 answer:

damaskus [11]3 years ago

7 0

Answer:

Step-by-step explanation:

Venus = 12000 km = 1.2 * 10⁴

Sun: Venus = 1.4 * 10⁶ : 1.2 * 10⁴

$=\frac{1.4*10^{6}}{1.2*10^{4}}\\\\=\frac{1.4}{1.2}*10^{6-4}\\\\=1.17*10^{2}$

You might be interested in

guapka [62]

I think it is C
Hope this helped

6 0

3 years ago

Tell whether the ratios form a proportion 1/5 , 6/30

AleksandrR [38]

They do. You have to multiply the numerator and denominator by six. So 1 times 6 is ) and 5 times 6 is 30, therefore the ratios are proportional.

8 0

3 years ago

Read 2 more answers

tiny-mole [99]

Answer:

Step-by-step explanation:

7 0

3 years ago

Solve the proportion.<br><br>47/39 = b/2<br><br>A: 94/39<br>B: 78/47<br>C: 47/78<br>D: 39/94

pshichka [43]

Answer:

b = 94/79

Step-by-step explanation:

47/79 = x/2

79x = 94

x = 94/79

7 0

3 years ago

Solve the y for the equation 5x-2y=10

eduard

Answer:

y = 5/2x - 5

Step-by-step explanation:

Step 1: Write equation

5x - 2y = 10

Step 2: Solve for <em>x</em>

Subtract 5x on both sides: -2y = 10 - 5x
Divide both sides by -2: y = -5 + 5/2x
Rewrite: y = 5/2x - 5

4 0

4 years ago

Read 2 more answers