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boyakko [2]
3 years ago
7

−1/2÷7 1/2 dividing fraction

Mathematics
1 answer:
harina [27]3 years ago
6 0
-0.0375



-1/2
———- ( 7 1/2 ) =-3/80
100
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Find the value of the variable.<br> All answers
svp [43]

First one.

Since the two angles are congruent through vertical angles theorem,

5x = 6x - 8

5x - 6x = -8

-x = -8

x = 8

Second one.

Use the 180° rule.

(8x - 2) + (2x + 2) = 180

8x - 2 + 2x + 2 = 180

8x + 2x + 2 - 2 = 180

10x = 180

x = 180 / 10

x = 18

Third one.

Vertical angle theorem.

7x = 5x + 40

7x - 5x = 40

2x = 40

x = 40 / 2

x = 20

6 0
3 years ago
Read 2 more answers
Using the information given, select the statement that can deduce the line segments to be parallel. If there are none select non
MrRa [10]

Answer:

Option (2). None

Step-by-step explanation:

A quadrilateral ABCD has been given with a property,

m∠7 = m∠4

Option (1). AB║ DC

For AB║DC, angle 7 and angle 3 should measure the same.

(By the property of alternate angles)

Therefore, by the given property we can not deduce AB║DC.

Option (3). AD║BC

For AD║BC, angle 7 and angle 3 must be equal in measure.

(By the property of alternate angles)

Therefore, by the given property we can not deduce AD║DC

Option (2). None will be the answer.

8 0
4 years ago
Doing old work anybody wanna help
Maurinko [17]

Answer:

Square root 18 (3rd option)

Step-by-step explanation:

Irrational = can’t be expressed in a fraction or decimal/whole number

8 0
3 years ago
Solve radicals:
aleksandr82 [10.1K]
1: 2/7 (I think)

2: √2 −3
——
3
(Number 2 is probably difficult but the two lines underneath is where the number is supposed to be)

3: 4√10
—
15

Explanation: Simplify the radical by breaking the radicand up into a product of known factors, assuming positive real numbers.


(I hope this helps and is correct)
5 0
2 years ago
BRAINLIEST ANSWER!! NEED HELP ASAP!
algol13

Answer:

1. 30(8.75) + 11t = 400

2. 12.5 hours

Step-by-step explanation:

1. What is given is you work for 30 hours per week at a gas station for $8.75 an hour. You also work as a landscaper for $11 an hour. You want to a make a total of $400 per week.

30 hours and $8.75 an hour would be equivalent to 30(8.75)

We don’t know how many hours you work as a landscaper but you earn $11 an hour, which is equivalent to 11t

Finally, you want to earn a total of $400 a week, which means the sum equals 400

30(8.75) + 11t = 400

2. 30(8.75) = 262.5

400 - 262.5 = 137.5

137.5 / 11 = 12.5

6 0
3 years ago
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