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schepotkina [342]
2 years ago
11

What is ¼(x - 8) = 1.5

Mathematics
1 answer:
bekas [8.4K]2 years ago
8 0
I think the answer is 14
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Can someone help me for this question please? Why I got wrong answer. ASAP!!!
Snowcat [4.5K]

Answer:

a=8.06

A=29.74

B=60.26

Step-by-step explanation:

This is a right angled triangle and Pythagoras theorem is to be obeyed.

To get c, we follow the Pythagoras rule that says

Hyp² = Opp² + Adj²

c= Hypotenuse

c²= a² + b²

c² = 4² + 7²

c² = 65

c = √65 = 8.06

For angle A,

the opposing side to the angle = a = 4

The adjacent side to the angle = b = 7

Following trigonometry rule.

Tan A = opp/adj

Tan A = 4/7

A = Tan–¹(4/7)

A = 29.74°

For angle B,

Opposing side = 7

Adjacent side = 4

Tan B = 7/4

B = Tan-¹(7/4)

B = 60.26°

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3 years ago
PLEASE HELP!! GRADE 7 MATHEMATICS!!!
Rzqust [24]
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S=94in ^2
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3 years ago
HOW MANY SOLUTIONS DOES<br> THIS SYSTEN OF EQUATIONS HAVE<br><br> y = 2x + 2<br> y = 2x + 2
kherson [118]

Answer: Infinitely many solutions.

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Plz explain step by step ​
kirill115 [55]

Step-by-step explanation:

a=20⁰ vertically opposite angles are equal

b=160⁰ sum of angles on a straight line add up to 180⁰

(180⁰-20⁰=60⁰)

c=125⁰ sum of angles on a straight line add up to 180⁰

(180⁰-35⁰-20⁰=125⁰)

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2 years ago
Plz helpppp:Tammy conducted a survey to find the favorite subject of the students at her school. She asked 25 students from her
alexira [117]

Answer: Tammy's sample may not be vaild because she surveyed the students only from her class and it is likely that other classes might not like the subject maths. She might get the accurate results by surveying a larger number of people in the school instead of just her class.

3 0
3 years ago
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