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maria [59]
3 years ago
7

Molly purchased 7 apples for $3.96. while looking at her receipt, Molly divided three $3.96 by 7. why might Molly perform this c

alculation?
Mathematics
1 answer:
enot [183]3 years ago
6 0
So she could figure out the price of each apple was.
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If one bottle of soda costs .99, how much do three bottles cost? how much do they cost with 5% tax added on?
bija089 [108]
3 sodas cost $2.97 +.15 tax total $3.12
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3 years ago
Don Fenley bought a motorcycle that cost $1,250. He paid $250 down and the remainder in 18 monthly payments of $60 each. How muc
topjm [15]

Answer:

80

Step-by-step explanation:

60x18= 1080-1000 = 80

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3 years ago
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ΔABC with vertices A(-3, 0), B(-2, 3), C(-1, 1) is rotated 180° clockwise about the origin. It is then reflected across the line
Savatey [412]

Triangle APQ is the image of ABC under a dilation centered at vertex A with scale factor ½. Triangle RBT is the image of ABC under a dilation centered at vertex B with scale factor ¾ . Which statement about ABC , APQ , and RBT is correct? none of the triangle are similar

All three triangles are similar

Triangle APQ an RBT are not similar

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3 years ago
What is the solution to<br> 4/5=20/(x-5)?<br> answer please
viktelen [127]

Answer:

x =30

Step-by-step explanation:

in order to evaluate the solution 4/5=20/(x-5)?

solution

the first step to take is to cross multiply

4/5=20/(x-5)

we have,

5 x 20 = 4 ( x -5)

100 = 4x - 20

combine the like terms

100+20 = 4x

120 = 4x

divide both sides by the coefficient of x

120/4 = 4x/4

30 = x

x =30

therefore the value of x in the expression 4/5=20/(x-5)? is 30

3 0
3 years ago
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Approximate the area under the curve over the specified interval by using the indicated number of subintervals (or rectangles) a
RideAnS [48]

Split up [1, 3] into 4 subintervals:

[1, 3/2], [3/2, 2], [2, 5/2], [5/2, 3]

each with length (3 - 1)/2 = 1/2.

The right endpoints r_i are {3/2, 2, 5/2, 3}, which we can index by the sequence

r_i=1+\dfrac i2

with 1\le i\le4.

Evaluating the function at the right endpoints gives the sampling points f(r_i), {27/4, 5, 11/4, 0}.

Then the area is approximated by

\displaystyle\int_1^3f(x)\,\mathrm dx\approx\frac12\sum_{i=1}^4f(r_i)=\frac12\left(\frac{27}4+5+\frac{11}4+0\right)=\boxed{\frac{29}4}

5 0
2 years ago
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