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fiasKO [112]
3 years ago
11

(Thank you for any help that you can offer, but please; if you ARE NOT COMPLETELY SURE of your answer, refrain from answering. I

would hate to have someone stealing the points from someone who might have the correct answer.)
All quadrilaterals have interior angles that sum to 360°.
True or False?
Mathematics
1 answer:
aliina [53]3 years ago
3 0
It is true, how??Here is explanation:

Consider a quadrilateral ABCD .Join diagnol AC so two triangles ABC & ACD will form.
Sum of interior angles of ABC is 180 and that of ACD is 180 as well.So, the total sum of the interior angles of ABC & ACD is 360 which is the sum of interior angles of quadrilateral itself.
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What is the quadratic regression equation for the data set?
Svet_ta [14]

Answer:

y=−0.004x2+0.415x−0.546

6 0
2 years ago
What is the simplified form of the expression?
Oduvanchick [21]

Answer:

the third one

6a^{5} - 3a^{3} - 5a^{2} - 3b^{3}

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
How many solutions does the equation have?
Salsk061 [2.6K]

Answer: there is only one solution

Step-by-step explanation:

Combine like terms by performing the opposite operation of subtracting 4x on both sides of the equation

The 4x's will cross out on the right

4x - 4x = 0x = 0

On the left:

2x - 4x = -2x

Now the equation looks like:

-2x + 3 = 2

Continue to combine like terms by subtracting 3 on both sides of the equation

On the left:

3 - 3 = 0

On the right:

2 - 3 = -1

Equation:

-2x = -1

Isolate x by performing the opposite operation of dividing -2 on both sides of the equation

On the left:

-2x ÷ -2 = 1

On the right:

-1 ÷ -2 = 1/2

x= 1/2

4 0
3 years ago
Read 2 more answers
Assume that emergency medical personnel in California are planning for future resources and it has been observed that the averag
larisa [96]

Answer:

Answer is 0.5

Step-by-step explanation:

The text implies that the number of traffic accidents determines the number of ambulances required on the road. Hence, 1 traffic accident requires 1 ambulance.

The time slot and time of day remain same in both the text and the question.

The average or mean number of accidents is 1.1

QUESTION: What then is the probability that there is need for exactly 2 ambulances on that road and in that time frame?

In other words, what is the probability that there'll be 2 accidents on that road and in that time frame?

Since the mean number of accidents is 1.1,  2 is above the mean.

Probability of 1.1 accidents is 1, since that's the mean (expected value).

Probability of 2 accidents is 1/2 which is = 0.5

4 0
2 years ago
Kim drives x miles a week. Terry drives two times more than Kim and Jerry drives three times more than Terry. Which expression r
liberstina [14]
The expression for the amount that Jerry drives is 6x. This can be concluded since 2*3=6. And how to represent it should be described as 6x. 






4 0
3 years ago
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