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Andru [333]
3 years ago
12

Algebra 1 ) U. Checkpoint: Systems of equations and inequalities LOW

Mathematics
1 answer:
krek1111 [17]3 years ago
7 0

Answer:algebra ok

Step-by-step explanation:

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Saturday

Step-by-step explanation:

Each 7 days brings you back to the original day

80/7=11R3

Wednesday+3= Saturday

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OAA', OBB', and OCC' are straight lines. Triangle ABC is mapped onto Triangle A'B'C' by an enlargement with center O. What is th
bazaltina [42]

Answer:

(D) 2

Step-by-step explanation:

The scale factor of the enlargement of ΔABC to ΔA'B'C' is given by the ratio of the length of the corresponding sides of ΔA'B'C' and ΔABC

Therefore, we have;

The \ scale \ factor = \dfrac{Length \ of \overline  {B'C'}}{Length \ of \overline {BC}} =  \dfrac{Length \ of \overline  {A'C'}}{Length \ of \overline {AC}} =  \dfrac{Length \ of \overline  {A'B'}}{Length \ of \overline {AB}}

\dfrac{Length \ of \overline  {B'C'}}{Length \ of \overline {BC}} =  \dfrac{2 \ units}{1 \ unit} = 2

\dfrac{Length \ of \overline  {A'C'}}{Length \ of \overline {AC}} =  \dfrac{4 \ units}{2 \ units} = 2

\dfrac{Length \ of \overline  {A'B'}}{Length \ of \overline {AB}} =  \dfrac{2 \cdot \sqrt{5}  \ units}{\sqrt{5}  \ units} = 2

Therefore, the scale factor = 2

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3 years ago
What advantages does money have over bartered goods? Check all that apply.
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Money has a set value, and bartered goods do not.

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Money allows people to easily store value they earn.

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kirill [66]

Answer:

160

Step-by-step explanation:

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exterior angle at C = 16x= 16×10 = 160°

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