Ask question

Ask question

All categories

3 years ago

8

Use substitution to solve the system. y = 3x-4 4x-5y = −13

1 answer:

andrezito [222]3 years ago

6 0

Y=3x-4
4x-5y=-13
4x-5(3x-4)=-13
4x-15x+20=-13
-11x+20=-13
33=11x
x=3
y=3(3)-4
y=9-4
y=5

You might be interested in

I want to build a deck around my pool that is the same width all the way around. If the pool is 8meters by 10meters and I have e

anastassius [24]

Answer:

Step-by-step explanation:

4 0

2 years ago

If 8, x, 18 form a geometric sequence , find a value for x

katrin [286]

Answer: 13

Step-by-step explanation: It goes up by 5 so 8, 13, 18, 23, and etc

Please tell me if I'm wrong

4 0

3 years ago

Read 2 more answers

Give an example of a unit rate used in a real-world situation

Kaylis [27]

-- 30 miles per hour

-- $6.50 per hour

-- 365 days per year

-- 60 seconds per minute

-- $2.49 per pound

-- 3.47⁹ per gallon

-- 1800 calories per day

-- 360 degrees per revolution

7 0

3 years ago

What is the perimeter of the framed picture in terms of x? ( x + ) inches

Marysya12 [62]

Answer:

jjytrewasxcfgyuikjyt45678ijhgfgn

Step-by-step explanation:

5 0

3 years ago

What is 6.4 × 10−8 mi/day in feet per hour? (1 mi = 5280 ft)

oee [108]

The correct answer is B 1.408 × 10^−5 ft/h <span>
</span>

8 0

3 years ago