7. Test your knowledge of lines with the following:

Mathematics

2 answers:

IRINA_888 [86]3 years ago

8 0

Answer:

Step-by-step explanation:

melamori03 [73]3 years ago

3 0

a. Neither; 12° + 68° = 80°

b. Supplementary; 95° + 85° = 180°

c. Neither; 43° + 48° = 91°

d. Complementary; 70° + 20° = 90°

a. 140º

b. 105º

c. 60º

a. ∠1 = ∠AEB or ∠BEA

b. ∠2 = ∠BEC or ∠CEB

c. ∠3 = ∠CED or ∠DEC

d. ∠4 = ∠DEA or ∠AED

a. Right

b. Straight

c. Obtuse

d. Acute

a. Adjacent

b. Adjacent

c. Vertical

d. Vertical

a. perpendicular

b. parallel

c. perpendicular

d. neither

a. Yes, the lines are parallel. The rectangles create an optical illusion that makes the lines appear to be crooked.

b. Yes, the lines (3rd and 4th in diagram) are parallel. To show this is true, place two rulers or straightedges along the lines. You’ll then see that they’re parallel.

Step-by-step explanation:

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Need some help with this one.

Verizon [17]

Answer:

x² + 4x + 3

Step-by-step explanation:

to find f(g(x)), substitute x = g(x) into f(x)

f(g(x)) = f(x + 2) = (x + 2)² - 1 = x² + 4x + 4 - 1 = x² + 4x + 3

4 0

3 years ago

Evaluate the expression. 5^2−4⋅6+11 Enter your answer in the box.

mart [117]

Explanation:

This question's it's about the order of operations. P-parenthesis, E-exponents, M-multiply, D-divide, A-add, and S-subtract. It can also go left to right.

Do exponents first.

$5^2=5*5=25$