3 years ago

If the points A(2,a) and B(5,8) determine a line with a slope 2/3, find the value of a.

Mathematics

1 answer:

icang [17]3 years ago

7 0

Answer:

(2,1) and "a" will be 1.

Step-by-step explanation: When you plot point B in a grid, use the slope to go up and down then find a place when x is 2. Then find the y and then you;ll have the answer.

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Just need someone to explain how<br><br> I simplified it to -2a+15b/ 4

nikitadnepr [17]

Answer:

Step-by-step explanation:

3(4a + 6b) = 3*4a + 3*6b = 12a + 18b

-2(7a + b) = -2*7a + (-2)*b = -14a - 2b

$\frac{5[3(4a+6b)-2(7a+b)-b]}{20}=\frac{5[12a+18b-14a-2b-b]}{20}\\\\ \frac{5[-2a+15b]}{20}=\frac{15b-2a}{4}$

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3 years ago

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If M(6,9) is the midpoint of the line segment AB, and if A has coordinates (3,5), find the coordinates of B.

ANEK [815]

(9,13) .................

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2 years ago

A map has a scale of 2.5 inches=125 miles. If the actual distance is 300 miles what is the distance on the map

e-lub [12.9K]

Answer 5.5

Explanation 125 + 125= 250
250 + 50=300

Is 2 125s and 1 50

Each 125 is 2.5

But in this case there is 2 125s

2.5+2.5=5
plus the other half = 5.5

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2 years ago

My brothers and sisters i need help asap please

Otrada [13]

Answer:

Step-by-step explanation:

I think it is D but I am not sure

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2 years ago

A bakery sold 36 brownies in a day, which was 30% of the total items sold that day. What was the total number of items the baker

babymother [125]

Answer:

120

Step-by-step explanation:

We know that 36 is 30% of total items

So our equation would be 36/? = 30/100

From there we cross multiply so 36x100 = 3600

From there, we divide 3600 by 100

Therefore, your answer is 120

6 0

2 years ago