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Dafna11 [192]
2 years ago
12

Chris collected $25.65 for a fundraiser. Remy collected $15.87 more than Chris. Sany collected 3 times as much as Remy. How much

did Sandy collect for the fundraiser?
12 points please help it's for a quiz
Mathematics
1 answer:
andrew11 [14]2 years ago
6 0

Answer:

47.61$

Step-by-step explanation:

hope this helps please give me brainiest

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Which of the following are measurements of supplementary angels 89 and 1 , 60 and 90 , 90 and 180 , 110 and 70
Maru [420]

Answer:

110 and 70

Step-by-step explanation:

The supplementary angels, sum = 180 degrees

5 0
2 years ago
Find the length of the following curve. If you have a​ grapher, you may want to graph the curve to see what it looks like.
stepladder [879]

The length of the curve y = \frac{1}{27}(9x^2 + 6)^\frac 32 from x = 3 to x = 6 is 192 units

<h3>How to determine the length of the curve?</h3>

The curve is given as:

y = \frac{1}{27}(9x^2 + 6)^\frac 32 from x = 3 to x = 6

Start by differentiating the curve function

y' = \frac 32 * \frac{1}{27}(9x^2 + 6)^\frac 12 * 18x

Evaluate

y' = x(9x^2 + 6)^\frac 12

The length of the curve is calculated using:

L =\int\limits^a_b {\sqrt{1 + y'^2}} \, dx

This gives

L =\int\limits^6_3 {\sqrt{1 + [x(9x^2 + 6)^\frac 12]^2}\ dx

Expand

L =\int\limits^6_3 {\sqrt{1 + x^2(9x^2 + 6)}\ dx

This gives

L =\int\limits^6_3 {\sqrt{9x^4 + 6x^2 + 1}\ dx

Express as a perfect square

L =\int\limits^6_3 {\sqrt{(3x^2 + 1)^2}\ dx

Evaluate the exponent

L =\int\limits^6_3 {3x^2 + 1} \ dx

Differentiate

L = x^3 + x|\limits^6_3

Expand

L = (6³ + 6) - (3³ + 3)

Evaluate

L = 192

Hence, the length of the curve is 192 units

Read more about curve lengths at:

brainly.com/question/14015568

#SPJ1

7 0
1 year ago
Type the correct answer in each box. Use numerals instead of words. If necessary, use / for the fraction bar(s).
Serggg [28]

Answer:

dont know

Step-by-step explanation:

4 0
3 years ago
you know that five pizzas will feed 20 people. how many pizzas do you need to order to feed 88 people?​
uysha [10]
5 pizzas feeding 20 people means 1 pizza to feed 4 people. 88/4=22 therefore 22 pizzas are needed to feed 88 people.
5 0
3 years ago
162.75 is 35% of what number? (A) 465 (B) 4.65 (C) 46.5 (D) 0.465
docker41 [41]
It's A because of 162.75/.35
8 0
3 years ago
Read 2 more answers
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