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2 years ago

Given: a and c are vertical angles prove: a =~ cl

Mathematics

2 answers:

yuradex [85]2 years ago

8 0

Answer:

See the answer below.

Step-by-step explanation:

∠ a and ∠c are vertical angles Given

∠a + ∠d = 180 Definition of linear pairs or straight angles

∠d + ∠c = 180 Definition of linear pairs or straight angles

∠a + ∠d = ∠d + ∠c Substitution

∠a = ∠c Subtraction

Therefore ∠a ≅ ∠c Definition of congruent

Note:

Now you know that if you have a pair of vertical angles then the angles are congruent

jeyben [28]2 years ago

5 0

Answer:

what do i have to answer?

Step-by-step explanation:

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Mr Ruiz drove 305 miles in 5 hours on Saturday and 190 miles in 4 hours on Sunday what is his average speed in miles per hour fo

Snezhnost [94]

Add the mileage together to find total miles.

Add the hours together.

Divide total miles by total hours.

305 + 190 = 495 miles

5 + 4 = 9 hours.

495 / 9 = 55 miles per hour.

The average speed was 55 miles per hour.

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3 years ago

A weight lifter can bench press 189 kg. How many milligrams (mg) is this?

Inessa [10]

A weight lifter can bench press 189 kg. How many milligrams (mg) is this?

Answer: We know that:

$1kg=1,000,000 mg$

We are given, that a weight lifter can bench press 189 kg

Therefore, a weight lifter can bench press:

$189 \times 1,000,000 mg$

$189,000,000mg$

$18.9 \times 10^{7} mg$

Therefore, $18.9 \times 10^{7} mg$ is equal to the $189 kg$

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3 years ago

3. Order the rational numbers from least to greatest:<br> 0.5, 0, - 1.5, 1, -0.5, -1

harina [27]

Answer:

-1.5,-1,0,0.5,1 is the answer

8 0

3 years ago

Number 8 please! It's urgent

kykrilka [37]

T chart but thats all i can think of

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3 years ago

Mobile users in India have gone up by 20% percent in a year. There are 540 million mobile users today.

DanielleElmas [232]

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3 years ago