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Svetradugi [14.3K]
3 years ago
6

Solve the system of equations by graphing2x+y=8x+3y=9​

Mathematics
1 answer:
natima [27]3 years ago
3 0

9514 1404 393

Answer:

  (x, y) = (3, 2)

Step-by-step explanation:

The attached graph shows the solution.

  (x, y) = (3, 2)

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X/-2=4, X/3+13=13, Z/2+2=4 plz show ur work and explain how u did it
AVprozaik [17]
\dfrac{x}{-2}=4\ \ \ |multiply\ both\ sides\ by\ (-2)\\\\(-2)\cdot\dfrac{x}{-2}=(-2)\cdot4\\\\\boxed{x=-8}\\\\\dfrac{x}{3}+13=13\ \ \ |subtract\ 13\ from\ both\ sides\\\\\dfrac{x}{3}+13-13=13-13\\\\\dfrac{x}{3}=0\ \ \ |multpily\ both\ sides\ by\ 3\\\\\not3^1\cdot\dfrac{x}{\not3_1}=0\\\\\boxed{x=0}

\dfrac{z}{2}+2=4\ \ \ |subtract\ 2\ from\ both\ sides\\\\\dfrac{z}{2}+2-2=4-2\\\\\dfrac{z}{2}=2\ \ \ \ |multiply\ both\ sides\ by\ 2\\\\\not2^1\cdot\dfrac{z}{\not2_1}=2\cdot2\\\\\boxed{z=4}
6 0
3 years ago
Colby baked 14 cookies on Saturday. On both Saturday and Sunday, he baked a total of 36 cookies. Which of the following equation
alisha [4.7K]

Answer:

d

Step-by-step explanation:

what he baked on saturday plus what he baked on sunday equals what he baked in all

3 0
3 years ago
Read 2 more answers
How is the measurement 0.000065 cm written in scientific notation?
omeli [17]
6.5*10^-5 is the answer if tou have to move the decimal to the right is is negative and then count how many spaces

4 0
3 years ago
Mass of a Robin was 72.89 grams the mass of a blue Jay was 84.28 grams what is the estimate difference in the mass of the birds
pentagon [3]

Answer:

Step-by-step explanation:

estimation: 84-73

11

5 0
3 years ago
You buy a shirt for $19.95 and a pair of shorts for $35.95. Shirts are on sale for 25% off and shorts are on sale for 30% off. W
harkovskaia [24]

Discount on shirt, D_s = 19.95\times 0.25=\$4.9875 .

So, Price payed for shirt is :

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Discount on shorts, D_{sh}=35.95\times 0.30=\$10.785

Discounted price :

P=P_{sh}-D_{sh}\\\\P=35.95-10.785\\\\P=\$25.165

Therefore, discounted price of shirt and shorts are $14.9625 and $25.165.

Hence, this is the required solution.

6 0
3 years ago
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