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Ahat [919]
3 years ago
10

-18=15-3(6t+5) solve

Mathematics
1 answer:
melomori [17]3 years ago
8 0

Answer:

The Equation is correct

Step-by-step explanation:

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In RSM camp, there are four counselors for every fifty seven students and three teachers for every five counselors. Chapter Refe
max2010maxim [7]

The number of students attending the camp that summer is 380 students

Step-by-step explanation:

There are four counselors for every fifty seven students

There are three teachers for every five counselors

Ms. Rifkin asked all 16 teachers present at the camp to attend a

teachers meeting

To solve this question we will use the ratio

The given is:

1. 4 counselors for every 57 students

2. 3 teachers for every 5 counselors

3. There are 16 teachers

At first let us find the 16 teachers are for how many counselors

∵ 3 teachers : 5 counselors

∵ 16 teachers : x counselors

∴ \frac{3}{5}=\frac{16}{x}

By using cross multiplication

∴ 3x = 16 × 5

∴ 3x = 80

Divide both side by 3

∴ x = \frac{80}{3}

Then let us find the \frac{80}{3} counselors are for how many students

∵ 4 counselors : 57 students

∵ \frac{80}{3} counselors : y students

∴ \frac{4}{57}=\frac{80/3}{y}

By using cross multiplication

∴ 4y = 57 × \frac{80}{3}

∴ 4y = 1520

Divide both sides by 4

∴ y = 380 students

The number of students attending the camp that summer is 380 students

Learn more:

You can learn more about the ratio in brainly.com/question/6952762

#LearnwithBrainly

4 0
3 years ago
30% of the parks have a pool. If there are 9 parks with pools, how many parks are there altogether?
kap26 [50]

Answer:

30 parks

Step-by-step explanation:

9÷0.3=30 parks

6 0
2 years ago
Margot is sewing a ribbon on a seam along the perimeter of a square pillow. The side length of the pillow is 23-1 inches. She pl
Sergio [31]

Answer:

D. 4(2x² + 4x - 6); 130.0 inches

Step-by-step explanation:

Margot is sewing a ribbon on a seam along the perimeter of a square pillow. The side length of the pillow is 2x²+1 inches. She plans to make a similar pillow, including the ribbon, whose side length is 4x−7 inches. What expression can be used for the length of ribbon that she needs for both pillows, and what is the length if x = 3.5?

2x2+4x−6; 22.0 inches

2x2+4x−6; 32.5 inches

4(2x2+4x−6;) 88.0 inches

4(2x2+4x−6;) 130.0 inches

Perimeter of a square = 4 * side length

1- First square pillow

length = 2x²+1 in

Perimeter of first pillow = 4 * (2x²+1) in

Second square pillow

length = 4x-7 in

Perimeter of second pillow = 4(4x-7) in

Total ribbon length required = perimeter of first square pillow + perimeter of second square pillow

Total ribbon length required = 4(2x²+1) + 4(4x-7)

Factorise

4 is the common factor

=4(2x²+1)+(4x-7)

=4(2x²+1+4x-7)

=4(2x²+4x-6)

Total ribbon length required=4(2x²+4x-6)

If x=3.5

Total ribbon length required=4(2x²+4x-6)

=4{2(3.5)²+4(3.5)-6}

=4{2(12.25)+14-6)

=4(24.5+14-6)

=4(32.5)

=130.0 inches

6 0
3 years ago
How to solve ratio word problems? It says her team wins 3 for every 2 losses if debbie
leonid [27]

Answer:

15 games

Step-by-step explanation:

4 0
3 years ago
What are the exact values of the x-intercepts of the function f(x)=x2-8x-6
Lilit [14]

x-intercept: (4+√22,0) , (4−√22,0)


Hope that helps

6 0
4 years ago
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