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OLga [1]
3 years ago
5

How do you know before graphing, that a system of equations will have exactly one solution?​

Mathematics
1 answer:
ollegr [7]3 years ago
4 0

Answer: Because an equation is a simulation of a variety of numbers and due to the inevitability that all mathematical questions are designed to only have one answer,You can only get one solution

Step-by-step explanation:

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Please HELP !! Find the SLOPE of the LINE
dezoksy [38]

Answer: The slope is -2/1

Step-by-step explanation: We go 2 up and 1 to the left, meaning we get 2 over -1, to simplify, -2/1

Note: When we go down or to the left its negative, when we go up or to the right its positive

5 0
2 years ago
Read 2 more answers
the scale from a square park to a drawing of the park is 5 m to 1 cm the actual park has an area of 1,600 m² what is the area of
ludmilkaskok [199]

Answer:

<h2>64 cm²</h2>

Step-by-step explanation:

given:

the scale from a square park to a drawing of the park is 5 m to 1 cm

the actual park has an area of 1,600 m²

find:

what is the area of the drawing of the park​

solution:

drawing scale is 5m : 1cm

<u>1,600 m² </u> = <u>      5² m²  </u>    

   x                  1² cm²

cross multiply:

5² m² x = 1600 m² (1 cm²)

x =<u> 1600 m² </u>

      5² m²

x = 64 cm²

therefore, the area of a square park in the drawing is 64 cm²

5 0
3 years ago
These numbers form an addition and subtraction fact family for 8,3,11 what is the answer​
Schach [20]

Answer:

A fact family is a set of related addition and subtraction number sentences that include the same numbers. The numbers 2, 4, and 6 can be written in two different addition sentences. The numbers 2, 4, and 6 can be written in two different subtraction sentences. These four number sentences make up a fact family.

7 0
2 years ago
PLEASE HELP ASAP
Strike441 [17]

Answer:

b

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
9. The Strawberry Festival is finally here! Mrs.
chubhunter [2.5K]

\left \{ {{- \atop {2(21.5-2y)+2y=30}} \right.Answer:

Step-by-step explanation:

a)

x= gourmet pretzels

y= boxes of strawberries

system will be:

\left \{ {{2x+4y=43 \atop {2x+2y=30}} \right.

b)

\left \{ {{2x+4y=43 \atop {2x+2y=30}} \right. \left \{ {{x=21.5-2y \atop {2x+2y=30}} \right.\left \{ {{- \atop {2(21.5-2y)+2y=30}} \right.\left \{ {{- \atop {43-4y+2y=30}} \right.\left \{ {{- \atop {-4y+2y=30-43}} \right.\left \{ {{- \atop {-2y=-13}} \right.\left \{ {{- \atop {y=\frac{13}{2} }} \right.\left \{ {x=21.5-2(6.5)}} \atop {y=6.5}} \right.\left \{ {{x=8.5} \atop {y=6.5}} \right.

a box of strawberries is 6.5

4 0
3 years ago
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