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Xelga [282]
3 years ago
10

Solve with using elimination 3х + 5y = 546х +4y = 72​

Mathematics
1 answer:
pickupchik [31]3 years ago
6 0

Answer:

<u>y = 6 x=8</u>

Step-by-step explanation:

(3х + 5y = 54)-2 times by -2

6х +4y = 72

-6х + -10y = -108 now combine the equations

6х + 4y = 72

-6y = -36 now divide

y = 6

Plug 6 in 6х +4 * 6 = 72

x=8

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PLEASE HELP !! :)))
Irina18 [472]
C. -3 is passed through through 2 different point meaning it’s a vertical linear equation. So y=-3
5 0
3 years ago
*WILL GIVE BRAINLIEST* the following function represents the production cost f(x), in dollars, for x number of units produced by
Trava [24]

Answer:

C.

Step-by-step explanation:

By analyzing the functions f(x) and g(x), we can see that they are both quadratic relations.

To find the minimum value, we want to find the y-coordinate of the vertex.

In f(x), by using the formula (-b/2a), we get the x-coordinate of the vertex, 70. When we substitute 70 into the function, we get 55 as our minimum.

In h(x), we can see that the lowest y-coordinate in the given points is 899.52. So (1, 899.50) is our vertex.

This means that in f(x), the minimum production cost is $70. In contrast, in h(x), the minimum production cost is $899.50. Therefore f(x) has a lower minimum, with its minimum value at (70, 55), our vertex.

5 0
3 years ago
Nico is saving money for his college education. He invests some money at 9% and 800 less than that amount at 6%. The investments
vampirchik [111]

Answer:

$1800 at 9% and $1000 at 6%

Step-by-step explanation:

Not needed

5 0
3 years ago
You are given that &lt;GHJ is a complement of &lt;RST and &lt;RST is a supplement of &lt;ABC. Let m&lt;GHJ be x°. What is the me
MAVERICK [17]

∠GHJ and ∠RST are complementary

⇒  ∠GHJ and ∠RST = 90°

And ∠RST and ∠ABC are supplementary

⇒  ∠RST and ∠ABC = 180°

Also, ∠GHJ = x°

⇒ ∠RST = 90° - x°

⇒ ∠ABC = 180° - ∠RST

⇒ ∠ABC = 180° - (90° - x°)

⇒ ∠ABC = 90° + x°

6 0
3 years ago
Find the measure of 41.<br> s<br> 839<br> 41<br> 41 = [?]
Mila [183]

<1=97°

steps:

<1+83=180 co interior angle

<1=180-83=97°

5 0
3 years ago
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