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3 years ago

Which words describe the properties of an equilateral triangle

Mathematics

1 answer:

amm18123 years ago

4 0

Answer:

All three internal angles are congruent to each other and are each 60°.

Step-by-step explanation:

In an equilateral triangle, the altitudes, the angle bisectors, the perpendicular bisectors, and the medians to each side coincide.

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Brian’s school locker has a three-digit combination lock that can be set using the numbers 5 to 9 (including 5 and 9), without r

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50% percent the number is odd or higher

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3 years ago

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please help 30 points !! in a proportional relationship when Y=2 when X=8 Which of the following equations would describe this r

Alex777 [14]

Answer:

(1)

Step-by-step explanation:

We will try:

(1) y = $\frac{1}{4}$ x => 2 = 2 (seems legit)

(2) y = 4x => 2 = 32 (nope)

(3) y = x - 6 => 2 = 2 (yes but actually no because it is proportional relationship)

(4) y = $\frac{1}{2}$ x - 2 => 2 = 2 (like the above)

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3 years ago

Can anyone help? 25 points

N76 [4]

Answer:

A) 85x=5865

x=69 Width

B)2(57)+2x=286

114+2x=286

2x=172

x=86

Step-by-step explanation:

3 0

3 years ago

Melissa drove her car 200 kilometers in 2.5 hours. At this rate

Bogdan [553]

80, divide 200 by 2.5 and you get 80. Check by multiplying 2.5 and 80, which equals 200

7 0

3 years ago

Taji has a total of 98 quarters and dimes. their value is $18.20 how many quarters does taji have?

scZoUnD [109]

Answer:

Taji has a total of 56 quarters.

Step-by-step explanation:

Let x be the number of quarters that Taji has.

Amount in terms of quarter $=0.25 \times x$

Let y be the number of dimes that Taji has.

Amount in terms of quarter $=0.10 \times y$

As per question statement:

$x + y = 98 ...... (1)$

Total amount is $18.20 as given in the question statement.

$\Rightarrow 18.20 = 0.25 \times x + 0.10 \times y\\\Rightarrow 25x + 10y = 1820 ...... (2)$

Solving equations (1) and (2):

Multiplying equation (1) by 10 and subtracting from equation (2):

$25x + 10y -10x -10y= 1820 - 980\\\Rightarrow 15x = 840\\\Rightarrow x = 56$

x is the number of quarters that Taji has.

So, Taji has a total of 56 quarters.

4 0

3 years ago