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quester [9]
3 years ago
10

PLEASE HELPPP ILL GIVE BRAINLIESTTTT

Mathematics
2 answers:
mafiozo [28]3 years ago
5 0

Answer:

8

Step-by-step explanation:

The interior angles of a triangle always add up to 180°.

As QE=ED=QD

so, ∠Q=∠E=∠D=180°/3=60°

As, ∠D=5x+20

60=5x+20

5x=40

x=8

Hope, this helps you.

kati45 [8]3 years ago
5 0

Answer:

x= 8

Step-by-step explanation:

QE=ED=QD

SO;

Sum of angles =180

each angle = 60

5x+20= 60 —> 5x =60-20 —> 5x = 40

x = 40/5 —> x = 8

I hope I helped you^_^

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SOMEBODY PLEASE HELP QUICK!!! WILL GIVE BRAINLIEST
Anna71 [15]

Carlos is correct

Since we don't know the length of sides PR and XZ, the triangles can't be congruent by the SSS theorem or the SAS theorem, and since we don't know the measure of angles Y and Q, the triangles can't be congruent by the ASA theorem, the SAS theorem or the AAS theorem. Therefore, Carlos is correct.

Carlos is correct. Since the angles P and X are not included between PQ and RQ and XY and YZ, the SAS postulate cannot be used, since it states that the angle must be included between the sides. Unlike with ASA, where there is the AAS theorem for non-included sides, there is not SSA theorem for non-included angles, so the triangles cannot be proven to be congruent.

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3 years ago
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Delvig [45]

He spent 270 dollars. First i multiplied 110*3 and got 330. Then i had to subtract 600-330. and got 270.

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7 0
3 years ago
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36=4/9d what does d equal
soldier1979 [14.2K]

Answer:

d = 81

Step-by-step explanation:

Solve for d:

36 = (4 d)/9

Hint: | Reverse the equality in 36 = (4 d)/9 in order to isolate d to the left hand side.

36 = (4 d)/9 is equivalent to (4 d)/9 = 36:

(4 d)/9 = 36

Hint: | Multiply both sides by a constant to simplify the equation.

Multiply both sides of (4 d)/9 = 36 by 9/4:

(9×4 d)/(4×9) = 9/4×36

Hint: | Express 9/4×4/9 as a single fraction.

9/4×4/9 = (9×4)/(4×9):

(9×4)/(4×9) d = 9/4×36

Hint: | Express 9/4×36 as a single fraction.

9/4×36 = (9×36)/4:

(9×4 d)/(4×9) = (9×36)/4

Hint: | Cancel common terms in the numerator and denominator of (9×4 d)/(4×9).

(9×4 d)/(4×9) = (4×9)/(4×9)×d = d:

d = (9×36)/4

Hint: | In (9×36)/4, divide 36 in the numerator by 4 in the denominator.

36/4 = (4×9)/4 = 9:

d = 9×9

Hint: | Multiply 9 and 9 together.

9×9 = 81:

Answer: d = 81

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Answer:

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