3 years ago

how many lines of symmetry does does this triangle have ?

Mathematics

1 answer:

Maurinko [17]3 years ago

6 0

Answer:

D..... 3 lines of Symmetry

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Two cooks purchased plates and cups at the same store. The first cook bought 4 plates and 5 cups for a total of $25.25. The seco

Thepotemich [5.8K]

X=number of plates
y=number of cups

4x+5y=25.25

7x+3y=25.50

Add the two equations together:

11x+8y=50.75
11x=50.75-8y

x= $\frac{50.75-8y}{11}$

Plug x into the first equation:
4x+5y=25.25

4( $\frac{50.75-8y}{11}$ ) = 25.25

$\frac{4(50.75-8y)}{11}$ = 25.25

$\frac{203-32y}{11}$ = 25.25

203-32y = 277.75

-32y=74.75
32y=-74.45
y=2.34 (rounded to nearest hundredth)

The price of a plate is $2.34

5 0

3 years ago

Identify the property used in this equation: (–2) + 6 + 1 = 1 + 6 + (–2)

ruslelena [56]

(-2) + 6 + 1 = 1 + 6 + (-2)
-2 + 7 = 7 - 2
5 = 5

7 0

4 years ago

The baker at weis supermarket will cut 5 indeticial loaves of bread into pices that are 1/3 . After he cuts the 5 loaves how man

IrinaK [193]

Answer:

15 pieces

Step-by-step explanation: