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Ugo [173]
3 years ago
13

Identify the Coefficients-4x + 2y + 5 + 9a​

Mathematics
2 answers:
xz_007 [3.2K]3 years ago
7 0

Step-by-step explanation:

Coefficient of:

x = -4

y = 2

a = 9

levacccp [35]3 years ago
7 0

Answer:

the ansssswer id2y, -9a

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A telescope costs $126 with a 30% discount. What was the original price?
Juli2301 [7.4K]

Answer:

$180

Step-by-step explanation:

Since the cost of the telescope with the 30% discount is $126 then $126 is 70% of the original price. Remember 100-30=70. To find the original price set up a proportion with these values:

\frac{126}{x}=\frac{70}{100}

Solve for the original price by cross multiplying numerator with denominator.

x(70) = 126(100)

70x = 12600

x= $180


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4 years ago
In 2000 a chesesbuger costed $5.00. In 2015 a cheeseburger costed $6.50 what percent of money has changed?
photoshop1234 [79]

Answer:

Step-by-step explanation:

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4 years ago
I NEED HELP ASAP<br><br> What's 9+10
Hunter-Best [27]

Answer:

19 19 19 19

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4 0
3 years ago
Read 2 more answers
HELP
Yakvenalex [24]

Answer:

5. 50.3 m²

6. 113.1 cm²

7. 102.1 yards²

8.  50.3 yards²

9.  452.2 ft²

10.379.8 ft²

Step-by-step explanation:

Area of  a circle = nr²

The circumference of a circle = 2nr

n = pi = 22/7

r = radius

the diameter is the straight line that passes through the centre of a circle and touches the two edges of the circle.

A radius is half of the diameter

radius = diameter / 2

5. (22/7) x 4² = 50.3 m²

6.  (22/7) x 6² =113.1 cm²

7. radius = 11.4/2 = 5.7 yards

(22/7) x 5.7² =102.1 yards²

8. radius = 8/2 = 4 yards

(22/7) x 4² = 50.3 yards²

9. 2nr = 75.4 yards

2 x (22/7) x r = 75.4

to find r, divide both sides of the equation by 2 and 7/22

r = 12 ft

Area =  (22/7) x 12² = 452.2 ft²

10. 2nr = 69.1 yards

2 x (22/7) x r = 69.1

to find r, divide both sides of the equation by 2 and 7/22

r = 10.99 ft²

Area = (22/7) x 10.99² = 379.8 ft²

the tenth is the first number after the decimal place. To convert to the nearest tenth, look at the number after the tenth (the hundredth). If the number is greater or equal to 5, add 1 to the tenth figure. If this is not the case, add zero

8 0
3 years ago
Mr. Saunders along with his wife and two children checked in for a 6 day stay at Disney world hotel. If he was charged $882 per
ddd [48]
$882/6 days = $147 per day
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4 years ago
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