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Ann [662]
3 years ago
11

What is the answer to 2x+3y=-13

Mathematics
1 answer:
Mekhanik [1.2K]3 years ago
6 0

Answer:

solve for x

x=(-13/2-3y/2

solve for y

y= -13/2-2x/3

Step-by-step explanation:

hope its the answer you where looking for

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Ericka decided to compare her observation to the average annual trend, which shows the water rising 1.8 mm/year. Remember, she u
Alex787 [66]

Answer with explanation:

Presume that, initial water level to be, 0 mm, at a time t=0.

And water level is rising at the rate of 1.8 \frac{\text{mm}}{\text{year}}.

 After 6.2 years level of water will be =1.8 × 6.2

                                                           =11.16 mm

→Averge, that is increase in water level after 6.2 years is given by

                     =\frac{W_{2}-W_{1}}{t_{2}-t_{1}}\\\\=\frac{11.16-0}{6.2-0}\\\\=\frac{11.16}{6.2}\\\\=1.8 \frac{\text{mm}}{\text{year}}

→→Rate of Depreciating of water level is given by = Negative of Increase of water level=-1.8 \frac{\text{mm}}{\text{year}}

5 0
4 years ago
Read 2 more answers
A jewelry artist is selling necklaces at an art fair. It costs $135 to rent a booth at the fair. The cost of materials for each
iogann1982 [59]

Answer:

The artist will make a profit if she sells 15 necklaces. This is known because 15 is greater than 11.625 (i.e. 15 > 11.625).

Step-by-step explanation:

Note: The question contains some error. The question is therefore rewritten before is answered as follows:

A jewelry artist is selling necklace at an art fair. It costs $135 to rent a booth at the fair. The cost of material for each necklace is $4.50. The artist is selling the necklace at $12 each. The inequality 12n>135+4.50 represents the situation in which the art is making the profit. Will the artist make a profit if she sells 15 necklaces? Show how you know. Be sure to indicate what the variable n represents.

The explanation of the answer is therefore given as follows:

Given;

12n > 135 + 4.50 .................... (1)

Where n represents the number of necklace that must be sold by the artist to make a profit.

Solving for n from equation, we have:

12n > 139.50

n > 139.50 / 12

n > 11.625 ..................... (2)

Equation (2) implies that more than 11.625 necklaces must be sold by the artist to make a profit.

When the artist sells 15 necklaces, it implies that n = 15.

Since more than 11.625 necklaces must be sold by the artist to make a profit, it therefore implies that the artist will make a profit if she sells 15 necklaces. This is known because 15 is greater than 11.625 (i.e. 15 > 11.625).

6 0
3 years ago
2x + 16 = 4x - 12<br><br> solve step by step
andrey2020 [161]

Answer:

14

Step-by-step explanation:

Combine like terms first:

2x + 16 = 4x - 12

-2x + 16 = -12

-2x = -28

Next, you need to get x by itself, so you would divide both sides by the coffeficant in front of x- which in this case is -2-.

-2x = -28

x = 14

8 0
3 years ago
you are asked by your mother to help her prepare food packs for your sister birthday when you counter the food packs there we're
olga55 [171]

Answer:

32.07%

Step-by-step explanation:

53 total

36 completed

Remaining = 53 - 36 = 17

17/53

= 0.3207

= 32.07%

4 0
3 years ago
Read 2 more answers
| 2) through: (-5, -4), perp. to y = -x + 2
schepotkina [342]

Answer:

y=x+1

Step-by-step explanation:

Your generic line will be y= mx+q, so you'll need two condition.

Since it has to be perpendicular to y=(-1)x+2, the product of the slopes needs to be -1, or m(-1)=-1, hence your "generic" becomes y=x+q. Since it has to pass through [/tex](-5;-4), let's put the coordinates in there: (-4)=1(-5)+qq-5=-4q=1

your line becomes y=x+1

8 0
3 years ago
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