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3 years ago

I need an explanation and answer

Mathematics

1 answer:

Minchanka [31]3 years ago

6 0

Answer:

a ║ c

b ║ f

Step-by-step explanation:

when parallel lines are cut by a transversal line, the supplementary angles are angles whose angle measure adds up to 180°

so answers are:

a ║ c

b ║ f

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Find the interquartile range of the data. 68, 15, 55, 5, 66, 42, 51, 12, 23 *

Elan Coil [88]

Answer:

72.5

Step-by-step explanation:

5, 12, 15, 23, 42, 51, 55, 66, 68

42 = median

Q1 median = 21

Q2 median = 93.5

93.5 - 21 = 72.5

Hope this helped!!!

4 0

2 years ago

Factor this polynomial expression.

tankabanditka [31]

Answer:

D: 3(x + 5)(x + 5)

Step-by-step explanation:

Try multiplying the last answer choice (D); the result is 3(x^2 + 10x + 25), or

3(x + 5)(x + 5).

5 0

3 years ago

Hi can you help me pleaseeee?)

olganol [36]

<em>So to solve for a variable, you have to isolate that variable onto one side.</em>

Firstly, multiply both sides by j: $h-4=kj$

Next, divide both sides by k and <u>your answer will be: $\frac{h-4}{k}=j$ </u>

Firstly, add g on both sides: $\frac{x}{5}=a+g$

Next, multiply both sides by 5 and <u>your answer will be: $x=5(a+g)$ </u>

Firstly, subtract 5p on both sides: $9c=-4p$

Next, divide both sides by 9 and <u>your answer will be $c=-\frac{4}{9}p$ </u>

3 0

2 years ago

Please helo with thos question pleas

natta225 [31]

The sum of the opposite interior angles is equal to the exterior angle.

So,

∠CAB + ∠ACB = ∠CBD

x + 40 + 3x + 10 = 6x

4x + 50 = 6x

2x = 50

x = 25°

∠CAB = x + 40 = 25 + 40 = 65°

Hence, the answer is D.

4 0

3 years ago

Damon borrowed $1,950 for two years. The total amount he repaid was

Rina8888 [55]

C is the awnser to that question

6 0

2 years ago