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PtichkaEL [24]
3 years ago
8

I need the answer i have spent forever on this.

Mathematics
2 answers:
frozen [14]3 years ago
7 0

Answer:

A y=2x + 3

Step-by-step explanation:

rewona [7]3 years ago
4 0

Answer:

The answer is A. (y = 2x + 3)

Step-by-step explanation:

Since its talking about $3 plus $2 per dog it would make sense to pick

y = 2x + 3 because 2x represents the number of dogs and how it costs $2 per dog while the 3 represents how it also cost $3 plus the $2.

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How would I do this question.
olga2289 [7]

Answer:

The density of cube is 6.17959 \frac{g}{cm^{3} }

Step-by-step explanation:

The density is given by ration of a mass of body and volume occupied by a body.

\rho = \frac{m}{V}

Where,

\rho is density.

m is mass of a body

V is the volume of a body

Given that one side of the cube is 0.53cm

Hence, the volume of a body is V=0.53^{3}=0.148877cm^{3}

Now, the Density of the cube will be

\rho = \frac{m}{V}

\rho = \frac{0.92}{0.148877}

\rho =6.17959

Thus, The density of cube is 6.17959 \frac{g}{cm^{3} }

3 0
3 years ago
A distribution x is known to have a mean value of 5 and a standard deviation of 5. what is its mean square value (i.e., the expe
telo118 [61]
\mathbb V(X)=\mathbb E(X^2)-\mathbb E(X)^2
\implies 5^2=\mathbb E(X^2)-5^2
\implies\mathbb E(X^2)=50
8 0
3 years ago
Nick and Liz have decided to move from the city to the suburbs. This means that they will have to make the essential purchase of
sineoko [7]

Answer:

$=19400

Step-by-step explanation:

Average prices= $18,500

Number of prices that were quoted= 7

Expected sum that produces this mean= 7*18,500=$129,500

Sum of quoted prices=

$(15,500+ 18,800+ 16,900+ 19,900+18,000+21,000) =$110100

Next price to be quoted will be ;

$129,500-$110,100

$=19400

6 0
3 years ago
Ten times the square of a nonzero number is equal to forty times the number. what is the number?
Virty [35]
For the answer to the question, what is t<span>Ten times the square of a nonzero number is equal to forty times the number</span><span>10∗x2=40x</span>the question's statement<span>x2−4x=0</span>simplifyx(x−4)=0factor out an x x=0,x=4 the two solutions
5 0
4 years ago
3(4x-3) - 19 = 8x-4
Cerrena [4.2K]
The answer is A) x = 6

<span>3(4x-3) - 19 = 8x-4
12 x - 9 - 19 = 8x - 4
12x - 8x = -4 + 9 + 19
4x = 24
4x / 4 = 24 / 4
x = 6</span>
6 0
3 years ago
Read 2 more answers
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