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kirill [66]
2 years ago
14

A line passes through the points (-15, 4) and (5,8). What is its equation in slope-intercept

Mathematics
1 answer:
vovangra [49]2 years ago
7 0

Answer:

y=1/5x+7

Step-by-step explanation:

just checked it on paper

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In kite ABCD, AB = BC and CD = DA. AB = (3x + 4), BC = x + 8, CD = y + 7, and DA = 2y + 5, find the perimeter of the kite
lana [24]
3x + 4 = x+ 8   >  3x - x = 2x   >  2x + 4 = 8 >  8 - 4 = 4 > 2x / 2 crosses out > 4 / 2 = 2 > x=2
2y + 5 = y + 7 >  2y - y = y >  y+ 5 = 7 >  7-5= 2 > y=2 
 
the perimeter of the kite is 4

8 0
3 years ago
Simplify the expression. (7x + 3) + (4x - 1) - (2x + 4)
Crazy boy [7]

Answer:

9x -2

Step-by-step explanation:

(7x + 3) + (4x - 1) - (2x + 4)

Distribute the minus sign

(7x + 3) + (4x - 1) - 2x - 4

Combine like terms

7x+4x-2x   +3 -1-4

9x                -2

3 0
2 years ago
At a high school, students can choose between three art electives, four history electives, and five computer electives. Each stu
V125BC [204]

Answer:

\frac{^3C_1\times ^4C_1}{^{12}C_2}

Step-by-step explanation:

Given,

Art electives = 3,

History electives = 4,

Computer electives = 5,

Total number of electives = 3 + 4 + 5 = 12,

Since, if a student chooses an art elective and a history elective,

So, the total combination of choosing an art elective and a history elective = ^3C_1\times ^4C_1

Also, the total combination of choosing any 2 subjects out of 12 subjects = ^{12}C_2

Hence, the probability that a student chooses an art elective and a history elective = \frac{\text{Total combination of choosing an art elective and a history}}{\text{ Total combination of choosing any 2 subjects}}

=\frac{^3C_1\times ^4C_1}{^{12}C_2}

Which is the required expression.

3 0
3 years ago
Read 2 more answers
What's The Area Of This Trapezoid
Gennadij [26K]

Answer:

The area is 110 inches.

Step-by-step explanation:

a= \frac{a+b}{2} h= \frac{9+13}{2}·10=110

3 0
3 years ago
Read 2 more answers
Lan is standing 20 feet above sea level. Mary is swimming 10 feet below sea level. How much higher is lan's
Savatey [412]

Answer:

30 feet

Step-by-step explanation:

sea level = 0

up 20 feet

below 10 feet

total 30 feet

4 0
3 years ago
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