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Advocard [28]
4 years ago
12

2

Mathematics
2 answers:
kakasveta [241]4 years ago
4 0

Answer: answer is C. 30

Step-by-step explanation:

Cut the shape into two rectangles. Then 2x3=6 and 4×6=24. Now add 24+6=30

Reika [66]4 years ago
3 0

Answer:

i need helpp 222222

Step-by-step explanation:

pleaseeee

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I’m confused on this question
NNADVOKAT [17]
So what you would want to do is plot the points in a graph, when you do so you line the points and it will give you a triangle. 

So in conclusion it should be, a.) Isosceles
7 0
3 years ago
Solve 5y'' + 3y' – 2y = 0, y(0) = 0, y'(O) = 2.8 y(t) =( Preview
Karolina [17]

Answer:

y=\frac{4}{5}e^{t}-\frac{4}{5}e^{-\frac{2}{5}t}

Step-by-step explanation:

The given equation 5y'' + 3y' - 2y =0 can be written as

(5D^{2}+3D-2)y(t)=0

Solving for complementary function we have Roots of (5D^{2}+3D-2) as follows

(5D^{2}+5D-2D-2)

5D(D+1)-2(D+1)=0\\\\(5D-2)(D+1)=0\\\\\therefore D=-1\\D=+2/5

Thus the complementary function becomes

y=y=c_{1}e^{m_{1}t}+c_{2}e^{m_{2}t}

where

m_{1},m_{2} are calculated roots

thus solution becomes

y=c_{1}e^{-t}+c_{2}e^{\frac{2}{5}t}

Now to solve for the coefficients we use the given boundary conditions

y(0)=0\\\\\therefore c_{1}+c_{2}=0\\\\y'(0)=-c_{1}+\frac{2}{5}c_{2}=2.8\\\\\therefore c_{2}+\frac{2}{5}c_{2}=2.8\\\\c_{2}=2\\\\\therefore c_{1}=-2}

hence the solution becomes

y=-2e^-{t}+2e^{\frac{2}{5}t}

8 0
3 years ago
Name the angle in 2 different ways and name the 2 rays from the diagram below please show work
timama [110]

Answer:

3) TB and NT

4) ∠KLM and ∠MLK

Step-by-step explanation:

3) those two rays intersect to form the angle shown in the diagram

4) an angle can always be named from left to right or right to left as long as the middle letter is always the vertex of the angle

3 0
3 years ago
Read 2 more answers
NEED HELP!!!!!!! I’LL GIVE 30 POINTS
Zolol [24]
What grade are you in? just wondering bc the math
5 0
3 years ago
A table and eight chairs weigh 235.68 lb. If the table weighs 157.84 ,what is the weight of one chair in pounds
Aleks04 [339]
Each chair weighs 9.73 lb

3 0
3 years ago
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