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3 years ago

Quadrilateral ABCD is inscribed in the circle. If m∠A = 95°, what also must be true?

Mathematics

2 answers:

Hoochie [10]3 years ago

6 0

Answer: The answer is B

Step-by-step explanation:

Shalnov [3]3 years ago

3 0

When a quadrilateral is inscribed in a circle, the sum of opposite angles is 180 degrees.

A+C=180
95+C=180
C=180-95
C=85

Therefore the answer is B). I hope this helped.

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Use the table shown in the image! 1. Which equation expresses “y” in terms of “x”? A. y=17x B. y=25x C. x=51y D. x=85y 2. What i

levacccp [35]

Answer: 1. A. y=17x

2. $59.50

Step-by-step explanation:

1. In the table , it can be seen that as x increases y increases with the proportionality constant k = $\dfrac{y}{x}=\dfrac{51}{3}=\dfrac{85}{5}=\dfrac{119}{7}=17$ ,.

Equation of direct variation between x and y : $y=kx$

Put k= 17 , we get

$y=17x$ , which is the required equation.

So correct option is "A".

2. To find : The charge for renting a machine for 3.5 hours.

Put x= 3.5 in above equation , we get

$y=17(3.5)=59.5$

Hence, the charge for renting a machine for 3.5 hours is $59.50.

So correct option is "B".

3 0

3 years ago

Read 2 more answers

Anna35 [415]

Answer:

$x = -1$ $and$ $x = -9$

Step-by-step explanation:

Once again, we have a problem with the |x| in it, so like last time, every number that is the outcome within those brackets, is positive.

Let us check:

A. x = 21 over 4 and x = -11 over 4

This one is a very simple to say no to, as we are talking about decimals (if you convert into decimals at this point), as in -16 there are no decimals.

False.

B. x = -1 and x = 9

-1 is correct. But 9 is not. Why? Here:

9 + 5 is 14

14 the multiplied by -4 does not equal -16

False.

C. x = -1 and x = -9

Like what I said before, -1 is correct, now in this answer, -9 is also correct.

Unlike the last one, this one is -9 + 5 which is -4, then since it is inside the positive brackets, the number 4 becomes positive.

4 * -4 = -16

True.

The last one is incorrect. You know why