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Xelga [282]
3 years ago
7

Diagram NOT accurately drawn

Mathematics
2 answers:
fredd [130]3 years ago
7 0

Answer:

5x+60 = 360, x = 60

Step-by-step explanation:

Ok, so the key to this problem is to realize that all angles added up in a quadrilateral give you 360 degrees. This means that x+10 + 2x + 2x + 50 = 360. Then we can just simplify to 5x + 60 = 360, 5x = 300, and x = 60.

soldi70 [24.7K]3 years ago
4 0

Answer:

5x+60 = 360, x = 60

Step-by-step explanation:

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Choose the correct description of the graph of the compound inequality: (5 points) x − 3 < −7 or x + 5 greater than or equal
marusya05 [52]

Answer:

the answer would be a number line with an open circle on -4, a closed circle on 3, and shading in between.

Step-by-step explanation:

5 0
3 years ago
Megan picks a card from a deck of cards numbered 1-10 and rolls a number cube. What is the probability she chooses a card with a
ehidna [41]

Answer:

1/20 if there is only those 10 cards in a deck and 1/26 if there is 52 cards in the deck.

Step-by-step explanation:

There is 3/6 chances to roll a die with an even number, aka 1/2. If there are only 10 cards in the deck and only one of them has the number 5, it's 1/10. To find the probability of both these things happening, multiply the probabilities. 1/10 x 1/2 is equal to 1/20. However, since the question doesn't specify if there is 52 cards like a normal deck and 4 5's etc, there can be a different answer because if there's 52 cards in a deck, 4 of them 5's, the chance of getting a 5 is 4/52 or 1/13 and then you multiply that by 1/2 to get 1/26

4 0
3 years ago
Read 2 more answers
A half gallon of milk cost $2.40 and a gallon cost $3.50 is this proportional or non proportional
PSYCHO15rus [73]
Non proportional because 2×$2.40= $4.80 which is not equal to $3.50
6 0
3 years ago
Read 2 more answers
Divisiones que den de residuo 300​
Stolb23 [73]

Answer:

900÷3

Step-by-step explanation:

creo que es esto :)

4 0
3 years ago
Several years​ ago, 39​% of parents who had children in grades​ K-12 were satisfied with the quality of education the students r
BaLLatris [955]
<h2>Answer with explanation:</h2>

Let p be the population proportion  of parents who had children in grades​ K-12 were satisfied with the quality of education the students receive.

Given : Several years​ ago, 39​% of parents who had children in grades​ K-12 were satisfied with the quality of education the students receive.

Set hypothesis to test :

H_0: p=0.39\\\\H_a :p\neq0.39

Sample size : n= 1055

Sample proportion : \hat{p}=\dfrac{466}{1055}=0.441706161137\approx0.44

Critical value for 95% confidence : z_{\alpha/2}=1.96

Confidence interval : \hat{p}\pm z_{\alpha/2}\sqrt{\dfrac{p(1-p)}{n}}

0.44\pm (1.96)\sqrt{\dfrac{0.39(1-0.39)}{1055}}\\\\0.44\pm0.0299536805135\\\\0.44\pm0.03\\\\=(0.44-0.03, 0.44+0.03)\\\\=(0.41,\ 0.47)

Since , Confidence interval does not contain 0.39.

It means we reject the null hypothesis.

We conclude that 95​% confidence interval represents evidence that​ parents' attitudes toward the quality of education have changed.

8 0
3 years ago
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