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Rudiy27
3 years ago
10

Find x in each triangle.

Mathematics
1 answer:
luda_lava [24]3 years ago
5 0

Answer:

x=5cm

Step-by-step explanation:

\sqrt{4^{2}+3^{2}  } =5

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dybincka [34]

Answer:

I'm doing a challenge. This is my answer. IDK.

Step-by-step explanation:

5 0
3 years ago
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The law f(t) = -t2 + 6t + 15 represents the number of kilometers of congestion, as a function of time, registered in a city. Wit
andrey2020 [161]
Time is -b/2a, which is 3.
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3 0
3 years ago
What is 100 percent of 158
Mashcka [7]

Answer:

It's 63.29

Step-by-step explanation:

Step 1: We make the assumption that 158 is 100% since it is our output value.

Step 2: We next represent the value we seek with x.

Step 3: From step 1, it follows that 100%=158.

Step 4: In the same vein, x%=100.

Step 5: This gives us a pair of simple equations:

100%=158(1).

x%=100(2).

Step 6: By simply dividing equation 1 by equation 2 and taking note of the fact that both the LHS

(left hand side) of both equations have the same unit (%); we have

100%/x% = 158/100

Step 7: Taking the inverse (or reciprocal) of both sides yields

x%/100% = 100/158

x= 63.29%

Therefore, 100 is 63.29% of 158.

4 0
3 years ago
Read 2 more answers
IM SO DUMB I NEED HELP
alexdok [17]

Answer:

76.0m^2 (you have to have the .0 since it says to round to the nearest <em>tenth</em>)

Step-by-step explanation:

The formula for the surface area of a rectangular prism is:

A=2(wl+hl+hw)

So just plug in the values.

Height= 4

Width=2

Length=5

A=2((2)(5)+(4)(5)+(4)(2))\\A=2(10+20+8)\\A=2(38)\\A=76m^2

6 0
2 years ago
Please help me solve this short problem guys
-BARSIC- [3]

Answer:

Step-by-step explanation:

Given equation of the quadratic function is,

y = x² + 5x - 7

Convert this equation into vertex form,

y = x² + 2(2.5x) - 7

  = x² + 2(2.5x) + (2.5)² - (2.5)² - 7

  = (x + 2.5)²- 6.25 - 7

  = (x + 2.5)² - 13.25

Therefore, vertex of the function is → (-2.5, -13.25)

For the solutions,

y = 0

(x + 2.5)² - 13.25 = 0

x = (±√13.25) - 2.5

x = (±3.64) - 2.5

x = 1.14, -6.14

Solutions → (-6.14, 0) and (1.14, 0)

8 0
2 years ago
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