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bulgar [2K]
3 years ago
15

Please help I am not understanding this question

Mathematics
2 answers:
saveliy_v [14]3 years ago
5 0
Messure of angle 4 is 140
Olin [163]3 years ago
3 0
You have to find the measurement, like the angle 1 is 40 degrees what do you think angle four would be? looks like a 180 but I'm not sure.
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In the trapezoid at the right, BE= 2x-8, DE= x-4, and AC= x+2
Marta_Voda [28]

Answer:

A.  x = 5 (Equation below)

B. AC = 9 | BD = 9

Step-by-step explanation:

A. Since we know the diagonals of an isosceles trapezoid are congruent, we know that the two bottom parts of the diagonal BD (2x - 8 and x - 4) are congruent to the diagonal AC (x + 2) . This means you can just equal them together and get the value of x:

2x - 8 + x - 4 = x + 2

3x - 12 = x + 2

3x = x + 14

2x = 14

x = 7

B. Just plug in 5 for x:

AC = x + 2 = 7 + 2 = 9

BD = 2x - 8 + x -4 = 3x - 12 = 21 - 12 = 9

5 0
3 years ago
3 1⁄3 × 2 3⁄4 × 1 1⁄5 =
mel-nik [20]

3 \frac{1}{3}  \times 2 \frac{3}{4}  \times 1 \frac{1}{5}

\frac{10}{3}  \times  \frac{11}{4}  \times  \frac{6}{5}

\frac{10 \times 11 \times 6}{3 \times 4 \times 5}

\frac{660}{60}

\frac{66}{6}

11

6 0
2 years ago
Read 2 more answers
Which of the following graphs shows the set of points that represents the number of hours that Leah
san4es73 [151]

Answer:

I think it’s A,C, and E

Step-by-step explanation:

I’m not for sure but if you plot those points in the shaded region for graph C, those should be correct .

7 0
3 years ago
Ax + z = aw - y<br> Solve for a
olga2289 [7]
Ax=aw-z-y
divide by x
a=awx-z-y
a=awx-zy
8 0
2 years ago
9 x 10 to the power of 2 how many times as much as 3 x 10 to the -2 power
hjlf

Answer:

  3×10^4

Step-by-step explanation:

The desired factor is found by calculating the ratio of the two numbers:

  k = (9×10^2)/(3×10^-2) = (9/3)×10^(2 -(-2)) = 3×10^4

The first number is 3×10^4 = 30,000 times as much as the second number.

6 0
2 years ago
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