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GREYUIT [131]
3 years ago
7

Fiona is trying to prove that a pair of expressions are equivalent by using substitution. Which pair of expressions has the same

value if she substitutes y = 3?
Mathematics
2 answers:
katen-ka-za [31]3 years ago
7 0

Answer:

the answer is A i finished that test now im on another test and timed sorry for no explanation

Step-by-step explanation:

A

krek1111 [17]3 years ago
3 0

Answer:

A

Step-by-step explanation:

A because I did all on the question and A was the one

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Please help me with this!
mafiozo [28]
A (-5, 6)
B (-5, 2)
C (-9, 2)
D (-9, 6)

As it is just a rotation around the origin by 180, you can just change the sign in front of the numbers :)
4 0
3 years ago
What is the area of the garden?
xenn [34]

Answer:

42 square meters

Step-by-step explanation:

rectangle: 3 x 6= 18 square meters

square: 4 x 5= 20 square meters

triangle: 4 x 2 x 1/2= 4 square meters

18 + 20 + 4= 42 square meters

8 0
3 years ago
Read 2 more answers
About how much difference in average leaf width would you find in two forests whose average annual rainfalls are near 1500 mm bu
goblinko [34]

Answer:

4.80 mm to 2 d.p

Step-by-step explanation:

w = f(r)

f'(r) = (dw/dr) = (0.0218 mm/mm)

So, for a small difference in rainfall of 220 mm, what is the corresponding small difference in width of leaves in the two forests given.

One definition of a derivative or a rate of change is that it is the ratio of very small differences in the dependent variable to very small differences in the independent variable.

Mathematically,

(dw/dr) = (Δw/Δr) for very small Δw and Δr.

0.0218 = (Δw/220)

Δw = 0.0218 × 220 = 4.796 mm = 4.80 mm to 2 d.p

Hope this Helps!!!

5 0
2 years ago
Which matrix represents the system of equations shown below?
Leona [35]

Answer:

121-22

Step-by-step explanation:

7 0
3 years ago
How many sides does a dodecahedron have?
777dan777 [17]

Answer:

twelve faces

Step-by-step explanation:

12 sides

6 0
2 years ago
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