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solmaris [256]
3 years ago
8

Please help me out....​

Mathematics
1 answer:
mars1129 [50]3 years ago
7 0
It is the third one because it equals the same as 8 times 54 . I hope this helped
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Pls help!! Find the area of the lighter shaded region and round to the nearest tenth.
Elenna [48]

Answer:

5.1 cm² approximately

Step-by-step explanation:

A lighter= Area inscribed -1/2r² sin80°

A lighter=π r² (80°/360°) -1/2(5 cm)² sin 80°

A lighter=π(5cm)² (80°/360°) -1/2(5 cm)² sin 80°

A lighter=3.14*25cm²(80°/360°) - 12.5cm² sin 80°

A lighter=17.444…cm² - 12.31009... cm²

A lighter=5.13cm² approximately

3 0
4 years ago
Read 2 more answers
You earned a 75% on a test. You answered 24 questions correctly.How many questions were on the test?
iVinArrow [24]

Answer: 32questions

Step-by-step explanation:let the total number of test = x

Therefore: 24/x * 100 = 75

x = 24*100 / 75

= 32questions

3 0
3 years ago
Find the standard equation of the circle defined by the equation x^2 + y^2 +8x - 12y + 43 = 0. ANSWERS ATTACHED, due in 2 HOURS,
puteri [66]

Answer:

Solution: Option C

Step-by-step explanation:

Our goal here is to factor the expression such that it is converted into the circle equation (x - a)² + (y - b)² = r² where r = radius centered at point (a,b).

x^2\:+\:y^2\:+8x\:-\:12y\:+\:43\:=\:0 (Factor the expression "x² + 8x")

x^2+8x = x\left(x+8\right) (Factor the expression "y² - 12y")

\:y^2-12y =y\left(y-12\right)

That leaves us with the expression \left(x-\left(-4\right)\right)^2+\left(y-6\right)^2=3^2, or in other words (x+4)^2 +(y-6)^2 = 9. As you can see our solution is option c.

4 0
3 years ago
Math word problem
kati45 [8]
Yes, it's y= 1/2x because it's 1/2 miles (y) per x weeks
8 0
3 years ago
PLEASE PLEASE HELP MEEE
miss Akunina [59]

Answer:

d. x=a(1-\frac{y}{b})

Step-by-step explanation:

\frac{x}{a} + \frac{y}{b}  = 1

\frac{x}{a} = 1 - \frac{y}{b}

x = a(1 - \frac{y}{b}) <----- This is your answer

Hope this helps!

4 0
3 years ago
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