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amid [387]
3 years ago
11

Plz help fast there is a (pic)

Mathematics
1 answer:
777dan777 [17]3 years ago
7 0

Answer:

\boxed {s = 14}

Step-by-step explanation:

Solve for the value of s:

\frac{2}{3}s + \frac{5}{6}s = 21

-Combine like terms:

\frac{2}{3}s + \frac{5}{6}s = 21

\frac{3}{2}s = 21

-Multiply \frac{2}{3} on both sides, which is the reciprocal of  \frac{3}{2}, and multiply  21 and 2:

s = 21 \times (\frac{2}{3})

s = \frac{21 \times 2}{3}

s = \frac{42}{3}

-Divide 42 by 3:

s = \frac{42}{3}

\boxed {s = 14}

Therefore, the value of s is 14.

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Line l is the perpendicular bisector of AB. What is the perimeter of ABC
saveliy_v [14]

Answer:

Perimeter = 60

Step-by-step explanation:

because l bisects AB:

3y+1 = 5y-5

reduce:

2y = 6

y = 3

and:

2x+4 = 4x-12

reduce:

2x = 16

x = 8

AB = (3y+1) + (5y-5)

AB = 8y-4

substitute for y

AB = 8(3)-4

AB = 20

Perimeter = (2x+4) + (4x-12) + 20

reduce:

perimeter = 6x+12

substitute for x:

Perimeter =6(8)+12

reduce:

Perimeter = 60

3 0
3 years ago
What is the equation of the line that has a slope of 3 and goes through point (4, 7)?
astra-53 [7]
<span>The slope of the line is equal to (y - 7) / (x - 4)
Then we can set up this equation:
(y - 7) / (x - 4) = 3
y - 7 = 3 * (x - 4)
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This is the equation of the line.</span>
3 0
3 years ago
Triangle ABC is congruent to triangle XYZ, as shown below.
il63 [147K]

Answer:

the first answer

Step-by-step explanation:

if a and x are the same and a has an angle of 45 degrees that means that x has an angle of 45 degrees

4 0
3 years ago
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En el cumpleaños de Andrea, David comió de la torta 2 5 , Sofí 3 7 , y Julián 1 4 , ¿Qué fracción de torta comieron entre los tr
Scorpion4ik [409]

Answer:

Step-by-step explanation:

2/5 + 3/7 + 1/4 = 28/140 + 60/140 + 35/140 = 123/140

8 0
3 years ago
A coffee shop serves three times as many cups of regular coffee as decaffeinated coffee. If the shop serves d cups of decaffeina
galben [10]

Answer:

Number of cups of regular coffee the shop sells = 3d

Step-by-step explanation:

Let

d = cups of decaffeinated coffee

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