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Marizza181 [45]
3 years ago
7

Dec 18, 11:45:23 AM

Mathematics
1 answer:
cestrela7 [59]3 years ago
7 0

Answer: 68*

Step-by-step explanation: In pic

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What is the next term in the pattern? 1,-1,2,-2,3...
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Answer:

Step-by-step explanation: the pattern is going positive to negative and going further away from zero so the next term would be -3

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3 years ago
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The LCM of 4 and 7 is ______.
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28 is the LCM of 4 and 7 as 4*7 = 28

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Please Help I’m confused give clear answers thank you
ExtremeBDS [4]

Answer:

1: y=-1x-3

2: y=0.8x+4.2

3: y=2x-3

Step-by-step explanation:

Question 1: When lines are parallel, that means they're slope is the same and there y-intercept is different. So the first step is to calculate the slope of BC. If you look at BC you'll notice it goes down by 2 and goes forward by 2 so the slope is -2/2 or -1. This completes one part of the slope-intercept form which is y=mx+b where m is the slope and b is the y-intercept. The y-intercept will be calculated using the point A. since the equation passes through point A

-1 = (-2)(-1) + b

-1 = 2 + b

-3 = b

y=-1x-3

Question 2: Same concept here, if you look at AC, you'll see it "rises" by 4 and "runs" by 5, thus the slope is 4/5. Since it passes through B we'll use that to find the y-intercept

5 = (4/5)(1) + b

5 = 4/5 + b

b = 4.2

Question 3: It "rises" by 6 and "runs" by 3, thus the slope is 6/3 which is 2.

Plug in known values

3=(3)(2) + b

3 = 6 + b

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8 0
2 years ago
Find the sum of the numbers divisible by 7 between 30 and 500
brilliants [131]

Answer:

17822

Step-by-step explanation:

The number that are divisible by 7 between 30 and 500 are as follows :

35, 42,49,.....,497

It will form an AP with first term, a = 35 and common difference, d = 7

Let there are n terms in the AP.

nth term of an AP is given by :

a_n=a+(n-1)d

Putting all the values,

497=35+(n-1)7\\\\462=(n-1)7\\\\n-1=66\\\\n=67

Now, the sum of n terms of an AP is given by :

S_n=\dfrac{n}{2}[2a+(n-1)d]

Putting all the values,

S_n=\dfrac{67}{2}[2(35)+(67-1)7]\\\\S_n=17822

Hence, the sum of the numbers that are divisible by 7 between 30 and 500 is 17822.

6 0
3 years ago
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Inessa05 [86]

Answer: B is the correct answer

Step-by-step explanation:

If you do the math for each question to get a price a leaves you with 725 and b leaves you with 720 and c leaves you with 760 while d leaves you paying 800 so the lowest amount would be B.

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