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djverab [1.8K]
2 years ago
10

I don’t know this question what is 1/7 • 5/2=?

Mathematics
1 answer:
Andreyy892 years ago
4 0

Answer: what does the dot mean?

Step-by-step explanation: 5/14

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Yumi and Juan pick up litter along the highway at the same rate. Yumi picks up litter for 3 miles and takes 2 hours longer than
Kay [80]

Answer:

How long did Yumi spend picking up litter?

6 HOURS!!!!

Step-by-step explanation:

just took it on ed:)

5 0
3 years ago
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PLEASE HELP DUE SOON!!!
Mila [183]

Answer:

X + 50 = 130

Step-by-step explanation:

This is actually a subtraction equation although addition is how you set it up initially. X is the variable. You already have $50. You need $130.

To solve, subtract 50 from each side,

X + 50 - 50 = 130 - 50, and simplify,

X = 120.

Jordan will need $120 more to go to the Camp Rodeo Field Trip.

Hope this helps.

6 0
3 years ago
A playground is in the shape of a square with each side equal to 109 yards. It has skating rinks in the shape of the quadrants o
I am Lyosha [343]

Answer:

radius = 30 yd , cost of cement = $7065

Step-by-step explanation:

First we will find the area of the circular sectors. From that we can find the cost of cement and their radius.

The area of the playground is ...

playground area = (109 yd)^2 = 11,881 yd^2

Then the area of the skating rinks is:

rink area = playground area - remaining field

rink area = 11,881 yd^2 - 9,055 yd^2 = 2,826 yd^2

Then the cost of cement for the rink area is ...

(2826 yd^2)($2.50 yd^2) = $7065

The four quarter-circle skating rinks add to a total area of a full circle. That area is given by ...

A = πr^2

Put the values in the formula:

2826 = 3.14r^2

Divide both sides by 3.14

900 = r^2

By taking square root at both sides we get,

30 = r

The radius of each quadrant is 30 yards....

6 0
3 years ago
I don’t know what to do
sergey [27]
20% of 15 is 12$, and tax is 5% so it comes out to 12.60$
The answer is B
4 0
3 years ago
Read 2 more answers
Can someone help me with part b on this question please?
Galina-37 [17]

9514 1404 393

Answer:

  12.0 cm

Step-by-step explanation:

The Pythagorean theorem applies:

  (12 cm)² +b² = (17 cm)²

  b² = (289 -144) cm² = 145 cm²

  b = √145 cm ≈ 12.04 cm

  b ≈ 12.0 cm . . . . rounded to 1 decimal place

8 0
3 years ago
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