Please help with these questions!!

Mathematics

1 answer:

riadik2000 [5.3K]3 years ago

8 0

Answer: 308

Step-by-step explanation: Divide 70 by 5 which is 14 and then 14 times 22 is 308

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Does A line segment always contains a line?

LiRa [457]

Answer:

In geometry, a line segment is a part of a line that is bounded by two distinct end points, and contains every point on the line between its endpoints. A closed line segment includes both endpoints, while an open line segment excludes both endpoints; a half-open line segment includes exactly one of the endpoints

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

there are five exams. the student earned grades 84,75,97, and 89 for the first four exams.what grade must the student earn pm th

emmasim [6.3K]

Answer:

Step-by-step explanation:

Given total number of tests are 5

The grades earned by the students in the tests are 84 , 75 , 97 , 89

let the grade earned by the student in the fifth test be x.

Average= $\frac{84+75+97+89+x}{5}$

The condition recquired is Average≥85

$\frac{84+75+97+89+x}{5}$ ≥85

$\frac{344+x}{5}$ ≥85

$x+344≥425$

x≥81.

The least grade the student can earn in the last test so that average is not less than 85 is 81

4 0

3 years ago

It takes Doug 3 days to reroof a house. If Doug's son helps him, the job can be completed in 2 days. How long would it take Doug

cestrela7 [59]

The answer is 1 day because if it takes Doug 3 days by himself and if his son helps him and it takes 2 days with the both of them that means it would only take Doug's son 1 day.

5 0

4 years ago

I need help I put 30 points for whoever helps me

artcher [175]

Answer:

$y=-x+1$

Step-by-step explanation:

Slope can be represented as rise over run (change y-values over change in x-values). Since the y-value is changing by -2 every time the x-value is changing by 2, the slope of the line must be $\frac{-2}{2}=-1$ .

In slope-intercept form $y=mx+b$ , $m$ represents the slope of the line, $b$ represents the y-intercept, and $(x, y)$ represent the coordinates of any point the line passes through.