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tigry1 [53]
2 years ago
15

What are the surface areas of these two prisms

Mathematics
1 answer:
Leya [2.2K]2 years ago
8 0
35 is the answer have a good day
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An astronomy club wants to buy six new eyepieces for their telescope. Four of the lenses cost $53.98 each. Two lenses cost $21 e
snow_lady [41]

Answer:

239.92

Step-by-step explanation:

53.94×4=215.92

Then you do 21×2=24 then you take the 215.92 and the 24 and add them together and it gives you 239.92

7 0
3 years ago
Read 2 more answers
if alyssa plans to run 7/8 mile on a trail at one point she sees that she is at mile maker 0.3 How much farther does she have to
Sever21 [200]

Rewrite 7/8 as a decimal by dividing 7 by 8:

7/8 = 0.875

Now to find how much further she has to run subtract where is now from the total distance:

0.875 - 0.3 = 0.575

She needs to run 0.575 miles more

6 0
2 years ago
What is the gcf of 30x^2 and 66x^5?
pantera1 [17]

Answer:

6x^2

Step-by-step explanation:

Express as product of prime factors.

30x^2=2\times 3\times 5\times x^2

66x^5=2\times 3\times 11\times x^5

The greatest common factor is the product of the least powers of the common factors.

The GCF is

2\times 3\times x^2=6x^2

4 0
3 years ago
What is the total surface area of the prism in square inches
Liono4ka [1.6K]

Answer:

Surface area of a square prism = 4 × (s × h) = 4sh, where, s is the length of the side of the square and h is the height of the square prism.

4 0
2 years ago
One of the sides of a parallelogram is 4.2 cm and the altitude to that side is 3.6 cm. Find the perimeter of the parallelogram i
adelina 88 [10]
The product of side length and altitude is area. The area remains the same regardless of how you measure it.

From the first side and altitude,
.. area = side*altitude = (4.2 cm)*(3.6 cm) = 15.12 cm^2
From the second side and altitude
.. area = side*altitude
.. 15.12 cm^2 = side*(2.4 cm)
.. side = (15.12 cm^2)/(2.4 cm) = 6.3 cm

The perimeter is the sum of the measures of all sides. Opposite sides are of equal measure.
.. perimeter = 2*(4.2 cm +6.3 cm) = 21.0 cm
4 0
3 years ago
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