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patriot [66]
2 years ago
10

What is the difference of these fractions? use the number line and equivalent fractions to help find the answer -1 1/4+1/2

Mathematics
2 answers:
Nat2105 [25]2 years ago
8 0

Answer:

first step find LCM method

vovangra [49]2 years ago
4 0

Answer:

1 3/4 or 7/4

Step-by-step explanation:

- 1 1/4 = -5/4

1/2 = 2/4

difference = 5/4+2/4 =7/4

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Simplify. 4a(6) + 3a
Iteru [2.4K]

Answer: 27a

Step-by-step explanation:

1. Simplify 4a×6 to 24a.

24a+3a

2. Simplify.

27a

8 0
3 years ago
Read 2 more answers
A police officer claims that the proportion of accidents that occur in the daytime (versus nighttime) at a certain intersection
Roman55 [17]

Answer: -1.78

Step-by-step explanation:

As per given description, we have

Population proportion : p=0.35

Sample size : n= 500

Sample proportion : \hat{p}=\dfrac{156}{500}=0.312

Test statistic for population proportion :-

z=\dfrac{\hat{p}-p}{\sqrt{\dfrac{p(1-p)}{n}}}\\\\\\=\dfrac{0.312-0.35}{\sqrt{\dfrac{0.35(1-0.35)}{500}}}\\\\=-1.78146747757\ \ \text{(Simplified)}\\\\\approx-1.78

Hence, the test statistic for this hypothesis test for a proportion= -1.78

3 0
3 years ago
Please help me to fill in the blanks
Alja [10]
Oooooo child i wish i could help
5 0
2 years ago
Write the equation for what is 15% of 24 of what number. please include the equation too ​
matrenka [14]
Sorry i don’t know the answer maybe some one else knows
4 0
3 years ago
Can someone see if these are right?
qwelly [4]
I didn't get the same answers.

In this problem, 25 is your constant (the number of baby hats you already started out with).
26 will be affected by your variable, d, the number of days. With each day that passes, 26 more hats will be knit, so the expression 26d can be used. 

Set h equal to the constant + hats made per day to create an expression that you can use to solve for h:
h = 26d + 25

Now, just plug the numbers in for d to get h:
When d = 2, h = 26d + 25 = 26(2) + 25 = 77
When d = 4, h = 26d + 25 = 26(4) + 25 = 129
When d = 7, h = 26d + 25 = 26(7) + 25 = 207
When d = 9, h = 26d + 25 = 26(9) + 25 = 259

Your answers should be:
77
129
207
259
5 0
3 years ago
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