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Stolb23 [73]
3 years ago
14

Marta went to the local discount store to stock up on school supplies. She bought four spiral notebooks at $1.50 each, a package

of pens for $3.95, three felt tip markers at $.99 each, and a three-ring binder for $5.00. The sales tax is 6.5%. What was the total price Marta paid at the checkout counter? 
Mathematics
2 answers:
Gekata [30.6K]3 years ago
7 0
$17.92 is the total before tax. The tax price was $1.16. After tax the total is $19.08
KengaRu [80]3 years ago
3 0

Answer: She would pay $27.92 at the check out counter.

Step-by-step explanation:

Since we have given that

Number of spiral notebooks = 4

Cost of each spiral notebooks = $1.50

So, total cost would be 1.50\times 4=\$6

Number of package of pens = 1

Cost of each package of pens = $3.95

So, Total cost would be 3.95\times 1=3.95

Number of felt tip markers = 3

Cost of each marker = $0.99

So, total cost would be 3\times 0.99=\$2.97

Number of ring binder = 3

Cost of ring binder = $5.00

So, total cost would be 5\times 3=\$15

So, total price that she paid at the checkout counter would be

\$6+\$3.95+\$2.97+\$15\\\\=\$27.92

Hence, she would pay $27.92 at the check out counter.

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5. Two similar figures have volumes 27 in.? and 125 in.?. The surface area of the smaller figure is 63 in.. (1 point)
GREYUIT [131]

Answer:

175\ in^{2}

Step-by-step explanation:

step 1

Find the scale factor

we know that

If two figures are similar, then the ratio of its volumes is equal to the scale factor elevated to the cube

Let

z----> the scale factor

x----> volume of the larger solid

y----> volume of the smaller solid

z^{3}=\frac{x}{y}

we have

x=125\ in^{3}

y=27\ in^{3}

substitute

z^{3}=\frac{125}{27}

z=\frac{5}{3}

step 2

Find the surface area of the larger solid

we know that

If two figures are similar, then the ratio of its surface areas is equal to the scale factor squared

Let

z----> the scale factor

x----> surface area of the larger solid

y----> surface area of the smaller solid

z^{2}=\frac{x}{y}

we have

z=\frac{5}{3}

y=63\ in^{2}

substitute

(\frac{5}{3})^{2}=\frac{x}{63}

x=\frac{25}{9}*63=175\ in^{2}

3 0
3 years ago
Whats the vertex at of y-13=2(x+4)^2
Kipish [7]
The vertex form:
y=a(x-h)^2+k
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The coordinates of the vertex are (-4,13).
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Answer:

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Answer:

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30% x 90              

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3/10 x 90 = 270/10          

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What is the domain of the function y=3 in x graphed below?
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