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gregori [183]
3 years ago
5

Solve the system is of linear equations by substitution.What is the solution to x=2y+7 and 3x+2y=3?

Mathematics
1 answer:
babymother [125]3 years ago
4 0

Answer:

(5/2, -9/4)

Step-by-step explanation:

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So L x W=A so I have a problem where one side is 9cm on the other sides there's nothing​
Eduardwww [97]

Answer:

The other sides equal 9cm also because a square has four equal sides.

L=9cm * W=9cm =A

A=81 cm

7 0
2 years ago
Ullal<br> Classify the polynomial and determine its degree.
yuradex [85]
The polynomial –2x^2 – x + 2 is a monomial , binomial or trinomial
with a degree of 1 , 2 3 or 4. Your answer is 2.
3 0
3 years ago
You give up a full-time salary of $40,000 a year to go to school for 2 years. The total cost of going to school is $30,000. If y
Xelga [282]

Answer:

$68,000

Step-by-step explanation:

we have to determine the total economic costs of going to college = ($40,000 x 2) + ($30,000 x 2) = $140,000

since we want to recover our "college investment" in 5 years or less, then we must earn at least $140,000 / 5 = $28,000 more per year

the minimum salary that we should earn after graduating = $40,000 (our current salary) + $28,000 (to recover college costs) = $68,000

5 0
3 years ago
Evaluate (6.1 x 10-3) (8 x 109). Write your answer in scientific notation and standard form.
DerKrebs [107]

Answer:

Scientific Notation: 4.88 ×10^7

Standard Form: 4.88 ×10^7

Step-by-step explanation:

6.1×10^(-3) = 0.0061

8×10^9 = 8000000000

0.0061×8000000000 = 48800000

= 4.88 \times  {10}^{7}

3 0
3 years ago
<img src="https://tex.z-dn.net/?f=3457%20%5Ctimes%20461%20%2B%2078%20-%2049%20%2B%2074" id="TexFormula1" title="3457 \times 461
andriy [413]
The answer would be 1593780
7 0
3 years ago
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