3 years ago

Can someone help me!

Mathematics

2 answers:

maxonik [38]3 years ago

7 0

Letter D is the answer

mr_godi [17]3 years ago

7 0

I think it’s A but if you get it wrong then act as if I said nothing

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Erik spends $680 for cable television service. The cable company offers a deal that promises Erik 3 free months of cable if he s

Alex777 [14]

Answer:

Step-by-step explanation:

3 0

3 years ago

Neptune is an average distance of 4.5 × 10^9 km from the Sun. Estimate the length of the Neptunian year using the fact that the

zlopas [31]

Answer:

164.32 earth year

Step-by-step explanation:

distance of Neptune, Rn = 4.5 x 10^9 km

distance of earth, Re = 1.5 x 10^8 km

time period of earth, Te = 1 year

let the time period of Neptune is Tn.

According to the Kepler's third law

T² ∝ R³

$\left ( \frac{T_{n}}{T_{e}} \right )^{2}=\left ( \frac{R_{n}}{R_{e}} \right )^{3}$

$\left ( \frac{T_{n}}{1} \right )^{2}=\left ( \frac{4.5\times10^{9}}}{1.5\times10^{8}}} \right )^{3}$

Tn = 164.32 earth years

Thus, the neptune year is equal to 164.32 earth year.

Step-by-step explanation:

3 0

4 years ago

I need help for this

Leona [35]

Got you
S' = 4,-3
Y'= 7,-2
U' = 8,--5
V' = 2,-6

3 0

3 years ago

6.) Convert the following linear equation into slope-intercept form.<br><br> 4x + 3y = 9

viktelen [127]

Answer:

$y=\frac{-4}{3} +9$

Step-by-step explanation:

Slope-intercept form is y-mx+b. To find slope-intercept form solve for y.

First, subtract 4x from both sides,

3y=-4x+9

Then, divide both sides by 3,

y=-4/3x+3

5 0

3 years ago

Read 2 more answers

(7x+14) (15x-4) solve for x (20 points

Misha Larkins [42]

Answer:

The value of x .

7x-14= 15x

-14 =8x

x= -7/4

Step-by-step explanation:

sorry if im wrong

7 0

3 years ago