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prisoha [69]
3 years ago
11

Slope= -1/2, y-intercept = 4​

Mathematics
1 answer:
navik [9.2K]3 years ago
5 0

Answer:

y=-1/2x+4

Step-by-step explanation:

y=mx+b

where m=slope and b=y-intercept

so

y=-1/2x+4

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if the scale factor of a scale drawing is greater than one, the scale drawing is larger than the actual object. true or false???
Kamila [148]
The would be true for an anwser
5 0
4 years ago
Derive the equation of the line that goes through (−3, 1) and (0, −5).
Oksanka [162]

Answer:

C)  y = -2x - 5

Step-by-step explanation:

\sf let \ (x_1,y_1)=(-3,1)\\\\let \ (x_2,y_2)=(0,-5)

\sf slope=\dfrac{y_2-y_1}{x_2-x_1}=\dfrac{-5-1}{0-(-3)}=-2

Point-slope formula: \sf y-y_1=m(x-x_1)

\sf \implies y-1=-2(x-(-3))

\sf \implies y=-2x-5

5 0
2 years ago
Read 2 more answers
Evaluate<br> 5x-2y;x=2,y=-1
Akimi4 [234]

Answer:

8

Step-by-step explanation:

5x - 2y

5 ( 2 ) - 2 ( 1 )

10 - 2

8

8 0
3 years ago
Please help me find how to solve . The area of one is 196 with a side length of 21 in , the other has a side length of 15in
zimovet [89]

Answer:

Area =100 in^2

Step-by-step explanation:

scale factor of the triangles is :15/21=5/7

if two similar shape has a scale factor a/b then the area is a^2:b^2

area of first shape/area of second shape=5/7

x/196=(5)²/(7)²

49x=4900

x=4900/49=100

area=100

check: 100/196=25/49=a^2/b^2

i hope it is right

8 0
4 years ago
Of the 100 students in the science club, 65 take mathematics, 43 take physics and 10 students take both mathematics and physics.
jonny [76]

Answer:

12

Step-by-step explanation:

Take only math=65-10=55

take only physics=43-10=33

number of students taking neither math. nor physics=100-(55+33)=100-88=12

4 0
3 years ago
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