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3 years ago

Question 5 of 5 Triangle ABC is an equilateral triangle. How many lines of symmetry does triangle ABC have?

Mathematics

1 answer:

lutik1710 [3]3 years ago

4 0

I believe just 1 because an equilateral triangle can only be reflected on one line for the halves to be the same

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How to solve this question please helpp!!!!!! Q1. cos -1 ( - √3/2 )

Amiraneli [1.4K]

Answer:

cos( $\sqrt{\frac{3}{2} }$ ) or 0.339

Step-by-step explanation:

6 0

3 years ago

Daisy spent a total of $31 before tax on ice cream. the table below shows the different flavors she bought. a carton of strawber

notsponge [240]

The cost of 1 vanilla ice cream and 1 strawberry ice cream should total to $31. Since you only bought one of each flavor, you simply have to add their unit prices.

Cost for 1 carton of strawberry ice cream + Cost for 1 carton of vanilla ice cream = Total Cost
Total Cost = s + v --> this is the general equation

Since s = 1.5 + v, the modified equation would be
Total Cost = 1.5 + v + v
Total Cost = 1.5 + 2v

5 0

3 years ago

2 7/12 as a decimal I forgottttttthelp

MariettaO [177]

Answer:

2.58333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333331

Step-by-step explanation:

5 0

3 years ago

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Which ordered pair would form a proportional relationship with the point graphed below? (60,-20)

valentina_108 [34]

Given:

The graphed point is (60,-20).

To find:

The ordered pair that would form a proportional relationship with the given point.

Solution:

If y is proportional to x, then

$y\propto x$

$y=kx$

$\dfrac{y}{x}=k$

Where, k is the constant of proportionality.

For the given point,

$k=\dfrac{-20}{60}$

$k=\dfrac{-1}{3}$

For option (A),

$k=\dfrac{30}{-10}$

$k=-3\neq \dfrac{-1}{3}$

For option (B),

$k=\dfrac{-15}{30}$

$k=-\dfrac{1}{2}\neq \dfrac{-1}{3}$

For option (C),

$k=\dfrac{10}{-30}$

$k=\dfrac{-1}{3}$ .

The point (-30,10) gives the same value of the constant of proportionality. So, the point (-30,10) forms a proportional relationship with the given point.

Therefore, the correct option is C.

7 0

3 years ago

Help me if u can and thank you :)

DanielleElmas [232]

Answer:

320km = 12L

296 km = xL

x = (296 × 12)/320

x = 11.1 liters

3 0

3 years ago

Read 2 more answers