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JulsSmile [24]
3 years ago
10

PLEASE HELP I WILL MARK BRAINLIEST

Mathematics
1 answer:
fomenos3 years ago
8 0

Answer:4600

Step-by-step explanation:

-6,-2,2,6,...

First term=a=-6

Common difference=d=-2-(-6)=4

Using the formula

Sn=n/2 x [2a + d x (n-1)]

S50=50/2 x [2x-6 + 4x(50-1)]

S50=25 x [-12 + 4 x 49]

S50=25 x [-12 + 196]

S50=25 x 184

S50=4600

Sum Of The first 50 terms is 4600

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Write an equation to represent the number of pages Jesse has read. Using x, the number of days Amir has been reading, write an e
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Question:

Jesse and Amir were assigned the same book to read. Jesse started reading on Saturday, and he is reading 30 pages a day. Amir didn't start until Sunday, but he is reading 35 pages a day.

How many days will it take Amir to catch up to Jesse, and how many pages will they each have read?

Write an equation to represent the number of pages Amir has read. Use x to represent the number of days Amir has been reading and y to represent the number of pages he has read.

Answer:

It will take 6 days

Step-by-step explanation:

For Jesse:

Rate = 30\ pages/day

This implies that Jesse will cover 30y in y days

For Amir:

Rate = 35\ pages/day

This implies that Amir will cover 35x in x days

Because Amir starts a day later,

y = x + 1

So, we have the following equations:

Jesse = 30y

Amir= 35x

y = x + 1

To get the number of days when they read the same number of pages, we have:

Jesse = Amir

Substitute values for Jesse and Amir

30y = 35x

Substitute x + 1 for y

30(x+1) = 35x

Open bracket

30x+30 = 35x

Collect Like Terms

30 = 35x-30x

30 = 5x

Solve for x

\frac{30}{5} = \frac{5x}{5}

\frac{30}{5} = x

6 = x

x = 6

7 0
2 years ago
Helppppppppppp please
LenaWriter [7]

Answer:

x = 60°

Step-by-step explanation:

AOB    Center: O      AB: diameter

arc ADB = 180°

arc DB = 180 - arc AD = 80°

x = 1/2 x ( arc DB + arc AC) = 1/2 x (80 + 40) = 60°

3 0
3 years ago
PLEASE HELP ME QUICK!!
navik [9.2K]

Answer:

d

Step-by-step explanation:

44.1^2-33^2=855.81

sqrt of 855.85 = 29.25423046

round to the nearest tenth to get 29.3

3 0
3 years ago
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yawa3891 [41]
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3 years ago
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