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Ad libitum [116K]
3 years ago
11

and to my sneakers but a total of 305.43 dollars on the groceries.She spent 213.20 in first month.How much did she spend in the

second month
Mathematics
1 answer:
stiv31 [10]3 years ago
5 0
Well 305.43 - 213.20 = 92.23 so im guessing 92.23 was spent in the second month.
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Craign has a building block in the shape of a rectangular pyramid .A net of which is shown below.If a measures 12 cm b measures
svetoff [14.1K]

Answer:

<h3>Option  D) 294 sq cm is correct</h3><h3>∴ the surface area of the rectangular pyramid is 294 sq cm</h3>

Step-by-step explanation:

First we have to split the net into 4 triangles and 1 rectangle

Given a = 12 cm ,b =  6 cm and d = 13 cm

<h3>To find the surface area of the rectangular pyramid:</h3>

Now find the area of the rectangle base

Rectangle base area=b\times a

= 6\times 12

= 72 sq. cm

<h3>∴ Rectangle base area=72 sq cm</h3>

Now to find the area of the triangle on the left

Left triangle=\frac{1}{2}(b)(d)

=\frac{1}{2}(6)(13)

= 39 sq cm

<h3>∴ Left triangle=39 sq cm</h3>

Since all the triangles are congruent , you will need to multiply by 2 to get the combined area of the triangle on the left and on the right.

Area of left and right triangles= 2(39)

=78 sq cm

<h3>∴ Area of left and right triangles=78 sq cm</h3>

Find the area of the triangle on the bottom

Bottom triangle area=\frac{1}{2}(a)(a)

=\frac{1}{2}(12)(12)

= 72 sq cm

<h3>∴ Bottom triangle area=72 sq cm</h3>

Since the bottom of the triangle is congruent to the top triangle, multiply that by 2 to get a combined area of the triangle on the bottom and top

Area of top & bottom triangles=2 (72)

= 144 sq cm

<h3>∴ Area of top & bottom triangles= 144 sq cm</h3>

Finally add the area of the 4 triangles to the area of the rectangular base we get

=72 + 78 + 144

= 294 sq cm

<h3>∴ the surface area of the rectangular pyramid is 294 sq cm</h3><h3>∴ option D) 294 sq cm is correct.</h3>
7 0
3 years ago
Can I get some help here.
algol [13]
Y intercept shows the number of chromebooks
3 0
3 years ago
2 divided by 3 + 2 divedes by 3 +3 divided by 3 =?​
kotegsom [21]

Answer:

1/5

Step-by-step explanation:

1/5

2/3+3/3+4/3

=2/5*3/6

= 1/5

I'm not sure.

4 0
3 years ago
Read 2 more answers
Find the area of a regular hexagon with the given measurement. 4-inch side A = sq. in.
kifflom [539]
A = 24 sq. in. Is the answer
3 0
3 years ago
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Which of the following are solutions to the inequality, 16 &lt; 15 x − 12 ? Select all that apply.
aalyn [17]

Answer:

<u>25/7, 1.87, </u><u>3.25</u><u>,</u><u> </u><u>and</u><u> </u><u>2</u><u>2</u><u>/</u><u>7</u>

Step-by-step explanation:

16 < 15x - 12

__________

+12. +12

__________

28 < 15x

__________

÷15 ÷15

__________

28/15 < x

__________

<u>x > 28/15</u>

__________

this is true for any number greater than 1 and 13/15 = 1.8666......

3 0
3 years ago
Read 2 more answers
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