Answer:
A.1/3
Step-by-step explanation:
on the picture
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There are 48 kids in the play. the ratio of boys to girls is 5:7. what's the ratio of boys to girls
1 answer:
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Answer:
69.81 sq. m. (rounded to 2 decimal places)
Step-by-step explanation:
The sector of a circle is "part" or "portion" of a circle. The formula for the area of a sector is:
Where
is the central angle
r is the radius
Given the figure, the arc is given as 80 degrees, but not the central angle of the shaded sector. But from geometry we know that the central angle and the intercepted arc have the same measure. So we can say:
Also, the radius of the circle shown is 10 meters, so
r = 10
Now, we substitute in formula and find our answer:
Thus,
The area of the shaded sector is 69.81 sq. meters.
She has $12,488 in savings
Step-by-step explanation:
Ariana plans to use $260 less than three-fourths of savings to buy a car.
If the purchase price of the car is 9,340, we need to find how much
she has in savings
To find the savings
- Assume that she has $x in savings
- Write an equation of x
- Solve the equation to find x
∵ She has $x in savings
∵ She plans to use $260 less than three-fourths of savings
- Three-fourths means and less than means subtract
∴ She plans to use x - 26
∵ The purchase price of the car is 9,340
- Equate the expression of x by 9,340
∴ x - 26 = 9,340
Now let us solve the equation
∵ x - 26 = 9,340
- Add 26 to both sides
∴ x = 9,366
- Divide both sides by
∴ x = $12,488
She has $12,488 in savings
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