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Irina18 [472]
3 years ago
10

I need help with 7 to 11 GEMOTRY HELP PLZ

Mathematics
2 answers:
bulgar [2K]3 years ago
8 0

Answer:

7 is true

8 is true

9 is true

10 is false

11 is true

Aleonysh [2.5K]3 years ago
8 0

Answer:

7) True 8) True 9) True 10) False 11) True

Step-by-step explanation:

Parallel lines, are lines that will never meet. So when looking at the segments, think about, if they kept going, would they ever meet? If the answer is yes, the lines are not parallel. If the answer is no, then the lines are parallel.

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Katie is selling lemonade for $1.50 per cup. She decides to put them on sale for $0.90. What percent discount did she give on he
Colt1911 [192]

Answer:

40%

Step-by-step explanation:

1.50 - 0.90 = 0.60

0.60 cents are saved.

\frac{0.60}{1.50} = 0.4

0.4 = 40%

hope this helps :)

8 0
2 years ago
If all squares are rectangles, and if all rectangles are parallelograms, then all squares are parallelograms. Which law of prope
xxMikexx [17]

Symmetric property, I remembered the answer for this for my summer school. This is one of the equivalence properties of equality.

7 0
3 years ago
You buy 1 1/4 yards of fabric and $8 clothing pattern. Your total cost with a 6% sales tax added is $18.55. What is the cost per
Anna35 [415]

Answer: The fabric costs $7.60 per yard.

Step-by-step explanation: First we can divide it by 106 then multiply it by 100 to get rid of the 6% sales tax, which now the cost of the stuff is $17.50. 

Next, we subtract 8 from this to represent the clothing pattern cost. Now it is $9.50.

The last stap to this is to divide it by 1 1/4 to get the final cost per yard: 

The fabric costs $7.60 per yard.

4 0
3 years ago
The measures of the obtuse angles in the isosceles trapezoid are five more than four times the measures of the acute angles. Wri
emmainna [20.7K]

Answer:

a. i. x + y = 180  (1) and  x - 4y = 5   (2)

ii. The two acute angles are 35° each and the two obtuse angles are 145° each.

Step-by-step explanation:

a. The measures of the obtuse angles in the isosceles trapezoid are five more than four times the measures of the acute angles. Write and solve a system of equations to find the measures of all the angles.

i. Write a system of equations to find the measures of all the angles.

Let x be the obtuse angles and y be the acute angles.

Since we have two obtuse angles at the top of the isosceles trapezoid and two acute angles at the bottom of the isosceles trapezoid, and also, since the sum of angles in a quadrilateral is 360, we have

2x + 2y = 360

x + y = 180  (1)

Its is also given that the measures of the obtuse angles in the isosceles trapezoid are five more than four times the measures of the acute angles.

So, x = 4y + 5   (2)

x - 4y = 5   (2)

So, our system of equations are

x + y = 180  (1) and  x - 4y = 5   (2)

ii. Solve a system of equations to find the measures of all the angles.

Since

x + y = 180  (1) and  x - 4y = 5   (2)

Subtracting (2) from (1), we have

x + y = 180  (1)

-

x - 4y = 5   (2)

5y = 175

dividing both sides by 5, we have

y = 175/5

y = 35°

From (1), x = 180° - y = 180° - 35° = 145°

So, the two acute angles are 35° each and the two obtuse angles are 145° each.

4 0
3 years ago
what is the decimal equivalent of the fraction? 7/12 enter your answer to the nearest thousandths in the box
Likurg_2 [28]
The answer is 0.583, and the 3 has a bar notation


Hope this helped

btw i also do k12
4 0
3 years ago
Read 2 more answers
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