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larisa [96]
3 years ago
15

Given parallelogram ABCD, find the lengths and angles required.

Mathematics
2 answers:
irakobra [83]3 years ago
5 0

Answer:

x = 3, line AB = 17 ,  and line CD = 17

y = 10, angle A = 70, and angle D = 70

Step-by-step explanation:

well since their the same length you can put them equal to each otheir

5x + 2 = 8x - 7

subtract 5x by both sides to get --> 2 = 3x -7

add 7 to both sides and get --> 9 = 3x

divide 3 by both sides to get x = 3

now plug it back in each equation we started with and get you answers

Same steps for y but different equations

prohojiy [21]3 years ago
5 0

Answer:

See below

Step-by-step explanation:

No actually the top is kinda of wrong. To find the angles I think you do this...

(2y+50) + (3y+40)=180

5y+90=180

5y=90

y=18

Then you plug it in the equations...

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Fynjy0 [20]
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4 0
4 years ago
D (t)=16t□2+96t+112 where t represents time in seconds
Luda [366]
A.
the starting point is where t=0
d(0)=-16(0)^2+96(0)+112
D(0)=112
started from 112 feet


b. max height is vertex
for
y=ax^2+bx+c
the x value of the vertex is -b/2a

so
D(t)=-16t^2+96t+112
t value of vertex is -96/(2*-16)=3
it reaches after 3 seconds

C. simpliy evaluate D(t) for t=3
D(3)=-16(3)^2+96(3)+112
D(3)=-16(9)+288+112
D(3)=-144+400
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3 0
3 years ago
Answer and working out please!
frosja888 [35]

Answer:

17.0710678119 and 2.92893218813

Step-by-step explanation:

Theoretically, the wire should come out to be x+y=80,

and the sum of the areas of the squares should be (x/4)^2+(y/4)^2=300.

x/4 and y/4 being the length of one side of the square, we would then square that to find the area. The total wire is all x+y=80. X being one part and Y being the other.

Theoretically, using systems. i found the answers: 68.2842712474619,11.715728752538098

Again, these numbers are very large, and I they actually do both add up to each amount basically perfectly. If your teacher is asking for a rounded answer, that would've been helpful to know. But again, theoretically, those are the answers.

3 0
4 years ago
What is the common ratio for the chart<br> 0 4<br> 1 12<br> 2 36<br> 3 108 <br> 4 324
SOVA2 [1]

Answerjewf q3fbfjbfb bfb njebjfb

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
All the information given in the photo, no idea how to solve <br>​
frosja888 [35]

Answer:

I think you need to find the angle of fde. which b and c look like 45 degree angles.and so does fde, if you know how to solve the problem now, I would do that, because everything there number wise was a VERY rough estimate.

Step-by-step explanation:

3 0
3 years ago
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