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Eduardwww [97]
3 years ago
10

I need all of these please help

Mathematics
2 answers:
Korvikt [17]3 years ago
7 0
What grade you in and what unit lesson is this, I might be able to help you. I go to the same school.
Vladimir79 [104]3 years ago
6 0
17. 300 cm^3
18. 452 m^2
19. 268 m^3
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(2/3v)^-3 for v=9 I don't understand how to find the answer. will you help me?
natta225 [31]

V=square root (3/2)/2
Or V=-square root (3/2)/2

8 0
3 years ago
JKLM is a rhombus. KM is 20 and JL is 48. Find the perimeter of the<br><br> rhombus.
anygoal [31]

Answer:

104 units

Step-by-step explanation:

Given

Shape: Rhombus

JL = 48

KM = 20

Required

Determine the perimeter

The given parameter are the diagonals of the rhombus.

The perimeter (from diagonals) is calculated as thus:

P = 2\sqrt{(JL)^2 + (KM)^2}

Substitute values for JL and KM

P = 2\sqrt{48^2 + 20^2}

P = 2\sqrt{2304 +400}

P = 2\sqrt{2704}

P = 2 * 52

P = 104

<em>Hence, the perimeter is 104 units</em>

5 0
3 years ago
Find the surface area
timofeeve [1]

Answer: 196 m

Step-by-step explanation:

6 0
3 years ago
Find the length of the indicated side of the similar figure.
bogdanovich [222]

Answer:

5

Step-by-step explanation:

in similar figures the side lengths must be proportional:

4/8 = x/10 cross multiply fractions

40 = 8x divide both sides by 8

5 = x

5 0
2 years ago
Find the value of x ​
maks197457 [2]

Answer:

Step-by-step explanation:

∠S=180-(54+62)=180-116=64°

using sin formula

\frac{x}{sin~64} =\frac{7}{sin~62} \\x=\frac{7~sin~64}{sin~62} \approx 7.1256 \approx 7.13

6 0
3 years ago
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