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olya-2409 [2.1K]
3 years ago
15

Need someone to help me with my math work

Mathematics
1 answer:
ziro4ka [17]3 years ago
6 0

Answer:

The small triangle has a long leg of 8. The triangle area formula is used to derive this. Now, there can be a ration equation.

10/4 = x/8

x = 20

Now use the formula.

A=1/2bh

A=1/2(10*20)

A=100

Area of DEF is 100 m^2.

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 The area of a circle is less than 1 dm². Find the radius of the circle. The area of a circle is less than 1 dm². Find the rad
Ipatiy [6.2K]
\bf \textit{area of a circle}\\\\
A=\pi r^2\qquad 
\begin{cases}
\textit{let's say the Area is 1 exactly}\\
A=1
\end{cases}\implies 1=\pi r^2
\\\\\\
\cfrac{1}{\sqrt{\pi }}=r

if you drop the radius to less than that, then the Area will also drop to less than 1 unit, in this case it happens to be a decimeter
5 0
3 years ago
PLEASE PLEASE HELP ME OUT! But i ask that you explain how you got your answer and not just give the answer.
rjkz [21]

ok so first we would do the function d(x) = 3(8)+2

which when solved turns out to be 26

we would then do the function h(x) = 2(26) +7

which when solved turns out to be 59

so he would need 59 dollars for the donuts

6 0
3 years ago
Use intercepts to graph 3y = -5x -30
disa [49]
The final solution is y=-5/3x-10
3 0
3 years ago
A mountain bike originally priced at $960.00 is up for sale at a discount of 14%. What is the price of the mountain bike after t
PilotLPTM [1.2K]

Answer:

$825.60

Step-by-step explanation:

Since the price of it is $960.00, it means that it's 100%.

100% = 960

1% = 960 ÷ 100 = 9.6

14% = 9.6 x 14 = 134.40

Since they asked for after the discount, deduct the price of the discount with the original price.

Mountain bike after 14% discount =

960 - 134.40 = 825.60

7 0
3 years ago
Read 2 more answers
Help please - first question
Afina-wow [57]
The answer should be x=60. ABD are an equilateral triangle all the angles must add up to 180. 60*3=180. Also if you have a protractor you can measure the angle C, the 60 degrees part and measure it against A, D and B. Hope this helps.
5 0
2 years ago
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