3 years ago

Resolucion de {3x+5y=29 {2x+3y=18

Mathematics

1 answer:

Sonbull [250]3 years ago

8 0

Answer:

x=3 y = 4

Step-by-step explanation:

3x+5y=29 .........*2 (multiply by2) = 6x+10y=58

2x+3y=18 *-3 = (multiply by -3)= -6x-9y = -54

ADD both(-6x cancels 6x) y= 4

2x+ 3y = 18 2x+ 12 = 18 2x = 6 x = 3

You might be interested in

Determine the intercepts of the line.

gayaneshka [121]

Answer:

x-intercept: (18/5,0)

y-intercept: (0,-2)

Step-by-step explanation:

btw .. you put the equation twice it's supposed to be " -5x+9y=-18 "

5 0

3 years ago

Find h(2/3) if h(x) = 6x <br><br> 2 4 6 8

arlik [135]

H(x) = 6x

it gives you what x is so plug that in the equation to find it.

h(2/3) = 6(2/3)
h(2/3) = 6 × 2 ÷ 3
h(2/3) = 12 ÷ 3
h(2/3) = 4

so your answer is 4.

hope this helps, God bless!

7 0

3 years ago

Use the functionſ to answer the question. f () = 3x2 - 7x - 32 What is the value of f (-4)? A. -52 B. -12 O c. 44 D. 140 +

cricket20 [7]

Step-by-step explanation:

step 1. please write it f(x) = 3x^2 - 7x -32

step 2. f(-4) = 3(-4)^2 -7(-4) - 32

step 3. f(-4) = 48 + 28 - 32

step 4. f(-4) = 44.

3 0

2 years ago

10. Katie, Ralph, and Juan are tossing a football. Katie is 22.5 feet

lisov135 [29]

Answer: Yes

Step-by-step explanation:

See attached file. Brainly did not allow me to send my explanation normally. Sorry for the trouble!

8 0

2 years ago

A number raised to a negative exponent is negative. always never sometimes

Romashka [77]

It is negative only when the number itself is negative.
hence, sometimes.

8 0

3 years ago

Read 2 more answers