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Papessa [141]
3 years ago
9

Points D,E,F are non-Collin war.How many lines can be drawn that pass through F and are perpendicular to DE

Mathematics
1 answer:
Arada [10]3 years ago
4 0
Points def are parallel
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Ima need help on this one pls do quick
pshichka [43]

Answer:

65

Step-by-step explanation:

The area of the square is 5^2=25 and the area of a single triangle is \frac{1}{2}(5)(4)=10.

The total area is the square plus the 4 triangles 25+4(10)=65

4 0
1 year ago
PLEASE HELP ME OUT please i don’t understand
Anvisha [2.4K]

Answer: 228.01 pi and the second is near 715. 9514

Step-by-step explanation: area of a circle is pi times the radius squared. Radius is half a diameter. Half of 30.2 is 15.1. 15.1 squared is 228.01. If you use 3.14 in place of pi, and multiply that to 228.01 you get 715.9514. I think

8 0
3 years ago
The missing angle of (3x-5)
iris [78.8K]

Answer: 22

Step-by-step explanation:

(7x+5) + (3x-5) + 90 = 180

10x + 90 =180

        -90   -90

10x          =90

_               _

10             10

x = 9  

3(9)-5

27-5

22

5 0
2 years ago
Read 2 more answers
The value of 2x + 2y, for x = 7 and y = 3, is 50.<br><br> True<br> False
Lilit [14]
2x+2y =50
2(7)+ 2(3)=50
14+6 =50
20=/=50

This is false because when you substitute the variables with their numbers and then multiply and add, your answer does not equal 50
5 0
3 years ago
Read 2 more answers
Which equations are true equations? Select all correct answers. Responses 15052=30−42−12 150 over 5 squared equals 30 minus 4 sq
Helen [10]

All the correct answers of the equations using order of operations are;

B. 8⋅7 ÷ 2 − 12 = 22 − 2⋅3

C. 48 ÷ 8 + 2³ = 5 + 3²

<h3>How to use order of operations?</h3>

The rule used for order of operations is PEMDAS and it states that the order of operation starts with the calculation enclosed in brackets or the parentheses first. Exponents (degrees or square roots) are then operated on, followed by multiplication and division operations, and then addition and subtraction.

Using the PEMDAS rule, the solutions would be as follows:

A. 9² − 7² = 20 ÷ (7 − 2)

81 - 49 = 20 ÷ 5

32 = 4

Thus, this is not true.

B. 8⋅7 ÷ 2 − 12 = 22 − 2⋅3

56 ÷ 2 − 12 = 22 - 6

28 - 12 = 16

16 = 16

Thus, this is true.

C. 48 ÷ 8 + 2³ = 5 + 3²

6 + 2³ = 5 + 9

6 + 8 = 14

14 = 14

Thus, this is true.

D. 150 ÷ 5² = 30 − 4² − 12

150 ÷ 25 = 30 − 16 − 12

6 = 30 - 28

6 = 2

Thus, this is not true.

Read more about Order of operations at; brainly.com/question/550188

#SPJ1

Complete question is;

Which equations are true equations? Select all correct answers.

A. 9² − 7² = 20 ÷ (7 − 2)

B. 8⋅7 ÷ 2 − 12 = 22 − 2⋅3

C. 48 ÷ 8 + 2³ = 5 + 3²

D. 150 ÷ 5² = 30 − 4² − 12

8 0
1 year ago
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