Solve for substitution x-2y+z=-11 3x+2y-z=7 -x+2y+4z=-9

Mathematics

1 answer:

Alla [95]3 years ago

6 0

Answer:

Unit rate miles per day is, 3

Step-by-step explanation:

Unit rate are defined as the rate are expressed as quantity of 1 such that 2 miles per hour or 5 km per hour.

As per the given statement: A construction crew built 1/2 miles of road in 1/6 days

by unit rate definition;

After substituting the given values we have

⇒

Therefore, unit rate miles per day is, 3

Step-by-step explanation:

hhhthhg

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There is an outbuilding that has an area of 80 square feet. The rectangle on the blueprint that represents the outbuilding has a

Tanya [424]

Answer:

B) 4

Step-by-step explanation:

There is an outbuilding that has an area of 80 square feet. The rectangle on the blueprint that represents the outbuilding has an area of 20 square inches. If the actual outbuilding has a wall length of 10 feet, what is the length of that wall on the blueprint . A) 3 B) 4 C) 5 D) 6

The length of the wall on the blue print can be calculated as:

20 square feet ÷ 5

= 4 feet

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3 years ago

Which of the four is it?

Anna11 [10]

Answer:

option 1 i believe

Step-by-step explanation:

just worked it out

i hope this is right and helps <3