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BlackZzzverrR [31]
3 years ago
13

Estimate a 25% tip on a bill of $61.77 by first rounding the bill amount to the nearest ten dollars

Mathematics
1 answer:
Nonamiya [84]3 years ago
8 0

Answer:

total bill amount + tip = $77.21

Step-by-step explanation:

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Help need answer ASAP due in 10 minutes
enyata [817]

Answer:

1) about 9 or 8.7

2) 4

3) about 5 or 4.5

4) 2

5) about 4 or 4.4

6) 2

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4 years ago
Use 3.14 for pi. what is the circumference of the circle shown?
suter [353]

Answer:

94.2 cm

Step-by-step explanation:

Circumference is the diameter x pi. Multiple 30 x 3.14

7 0
4 years ago
Read 2 more answers
Help please!! What is the answer?
Doss [256]
The area formula for a parallelogram is the same as it is for a square or a rectangle.  It's A = b*h.  They give you the area and the height, and x is part of the radicand for the base.  Set it up like this: 42= \sqrt{x+6} *7.  Divide both sides by 7 to get 6= \sqrt{x+6}.  Now, the opposite of a square root is squaring, so let's undo that square root by squaring.  But because this is an equation, if you square the right you also have to square the left. (6) ^{2}=( \sqrt{x+6}) ^{2}.  Squaring that square root undoes the square root, so now what we have is 36 = 6 + x, and 30 = x.  There you go!
6 0
3 years ago
A ramp 12 feet long is leaning against a raised platform which is 5 feet above the ground. What is the distance from the ramp's
anygoal [31]

Answer:

The distance from the ramp's contact point with the ground and the base of the platform is 10.90 feet.

Step-by-step explanation:

As

  • A ramp 12 feet long is leaning against a raised platform which is 5 feet above the ground.

And

  • We have to determine the distance from the ramp's contact point with the ground and the base of the platform.

Since we are looking for the side of 'b' right triangle.

Please check the attached figure.

So using the Pythagorean formula:

Fora right angled triangle with sides a, and b the hypotenuse c is defined as

c^2=a^2+b^2

b=\sqrt{c^2-a^2}

  • a=5
  • c=12
  • b=?

b=\sqrt{12^2-5^2}

b=\sqrt{119}

b=10.90  feet

Therefore, the distance from the ramp's contact point with the ground and the base of the platform is 10.90 feet.

4 0
4 years ago
PLEASE HELP!!!!
Nadya [2.5K]

Answer:

(-1,1,3)

Step-by-step explanation:

midpoint = (x1+x2/2, y1+y2/2, z1+z2/2)

midpoint = ( (-6+4)/2, (3+-1)/2, (4+2)/2 )

midpoint = (-2/2, 2/2, 6/2)

midpoint = (-1, 1, 3)

6 0
3 years ago
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