4 years ago

Please Help

2 answers:

7 0

System of eqns

2x + y = −4 and

y = 3x + 2

substituting second eqn into 1st

2x + (3x + 2) = -4

2x + 3x = -4 - 2

5x = -6

x = -6/5

y = 3*(-6/5) + 2 = (-3*6 + 2*5)/5 = (-18 + 10)/5

= -8/5

negative 6 over five comma negative 8 over 5

lesya692 [45]4 years ago

6 0

2x+3x+2=-4(cause y=3x+2)
5x=-6
x=-6/5
f(-6/5)=-8/5
negative 6 over 5

You might be interested in

Nicole is running for school president her poster is 3 feet by 2 feet. She liked it so much that she reproduced it on little rec

Elanso [62]

Answer:

1/18

Step-by-step explanation:

The ratio of long dimensions is ...

card size : poster size = (2 in) : (3 ft) = 2 in : 36 in = 1 : 18

The small rectangle is 1/18 the scale of the poster.

5 0

3 years ago

Harita must memorize 90 measures of music for her cello solo at a concert. She plans on memorizing 18 new measures for every 3 d

Katyanochek1 [597]

Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
Harita still needs to memorize, as a function of d, the number of days of practice since she began learning the piece m = 90 - 6d

7 0

3 years ago

Read 2 more answers

You want to find the area of the front of a house, whose shape is a triangle on top of a rectangle with a width of 6. The

xz_007 [3.2K]

Answer:

Step-by-step explanation:

A=(h(b)b)/2

A=w x l

7 0

3 years ago

Which number is equivalent to the expression shown below? -2 1/4 - (-8 3/8) F. -10 5/8. G. -10 1/3. H. 6 1/8. I. 6 1/2

RideAnS [48]

Change the mixed numbers into simple fractions:
-9/4-(-67/8)
Find the common denominator and subtract:
$\frac{(-9*8)-(-64*4)}{4*8} = \frac{196}{32}= \frac{49}{8} =6 \frac{1}{8}$

So your answer is H

Hope that helps

6 0

3 years ago

Find the volume of a triangular prisim with the following dimensions.

Nat2105 [25]

So I think it would be 55 because the base times the height = 15 and base length = 40

4 0

3 years ago

Read 2 more answers