MATHEMATICS HIGH SCHOOL

Find one counterexample to show that the conjecture is false.1 and 2 are supplementary, so one of the angles is acute.
Choose the best counterexample for the conjecture.
O A. mZ1 = 119° and mZ2 = 61°
O B. mZ1 = 39° and mZ2 = 51°
O C. mZ1 = 32º and mZ2 = 157°
O D. mZ1 = 90° and mZ2 = 90°

Answers

Answer 1
Answer: B because that’s the answer

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Answers

Answer:

The answer in the procedure

Step-by-step explanation:

Let

x-----> amount corresponding to 75%

we know that

using proportion

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Answers

It's represented by a dot.
Yeah, its represented by a dot.

PLEASE HELP!! OFFERING 39 POINTSGraph each linear equality
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Answers

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Help me answer missing angles in each question please

Answers

All angles must total 180°

1) x = 180° - 45° - 56°                4) a = 180° - 63° - 90°
    x = 79°                                       a = 27°

2) z = 180° - 44° - 90°                5) a = 180° - 135°
    z = 46°                                       a = 45°

3) x = 180° - 47° - 45°                6) x = 180° - 52° - 90°
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$4 per pound to cents per ounce

Answers

Step-by-step explanation:

4$ is equal to 400 cents, so it would be 400 cents a pound, for every 1 dollar it is the same as 100 cents

Answer:

400

Step-by-step explanation:

There are 420 children in a school. 45% of the pupils are boys. How many boys are there?
How many girls are there?

Answers

1 \% = (1)/(100) \n \n 45 \% =(45)/(100)=(9)/(20)\n \n total \ children : 420 \n \n boys : \n \n420 \cdot 45 \% = 420 \cdot (9)/(20)= 21\cdot 9 =189 \n \n girls : \ \n \n 420 -189 = 231
total children = 420
boys = 45% of 420 = 189 boys
Girls = (100-45)% = 55% of 420 = 231 boys
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1If x = 4 and y = -2, the value of21 xy² is