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Mekhanik [1.2K]
2 years ago
11

What are the areas of all these triangles? I need help please? and if you could do explanations that would be great!!!

Mathematics
1 answer:
Luba_88 [7]2 years ago
4 0

Answer:

Step-by-step explanation:

8 times 6 = 48 (base times high = a rectangle). (A triangle takes half the space)

F. (6*8)/2 =24 square units

B. (2 * 3/2) / 2 = 3/2 = 1.5 square units

G. (4*3)/2 = 6 square units

H. (8/3 *2)/2 = 8/3 = 2.67 square units

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Someone help quickly please!
RoseWind [281]

Answer:

translation . translation. rotation

3 0
3 years ago
Kelly bought a new car for $20,000. The car depreciates at a rate of 10% per year. Write an equation to model the car’s value. U
Citrus2011 [14]

Answer:

P=P'(1-R/100)^T

Where P = Final price

P'=Initial price

T=Time

R=Rate of Depreciation.

5 0
3 years ago
a school has 2 computer labs.Each lab has 30 computers. A total of 6 computers in the school are not working. which experission
jasenka [17]

Answer:

30(2)-6

Step-by-step explanation:

30 computers in 2 labs minus the 6 broken computers.

3 0
3 years ago
Read 2 more answers
A sphere has a volume of Vequals=3600 in cubedin3. Find its surface area.
Mice21 [21]
\bf \textit{volume of a sphere}\\\\
V=\cfrac{4}{3}\pi r^3\qquad 
\begin{cases}
r=radius\\
------\\
V=3600
\end{cases}\implies 3600=\cfrac{4}{3}\pi r^3
\\\\\\
3600=\cfrac{4\pi r^3}{3}\implies \sqrt[3]{\cfrac{3\cdot 3600}{4\pi }}=\boxed{r}\\\\
-----------------------------\\\\
\textit{surface area of a sphere}\\\\
S=4\pi r^2\implies S=4\pi \left(\boxed{\sqrt[3]{\cfrac{3\cdot 3600}{4\pi }}}  \right)^2

simplify away
8 0
3 years ago
-4+5|4x-4|=21 solve for x
grin007 [14]

Answer:

Step-by-step explanation:

hello :

-4+5|4x-4|=21

add 4 : 5|4x-4| = 25

divid by 5 :  |4x-4| = 5  means : 4x-4 = 5   or 4x-4 = -  5  

4x=9 or 4x =-1

x= 9/4 or x = - 1/4

5 0
3 years ago
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