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lapo4ka [179]
3 years ago
12

Which expression is equivalent to

Mathematics
1 answer:
laila [671]3 years ago
4 0

Answer:

B

Step-by-step explanation:

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Sam hiked 4.5 km along a straight bush track, and then turned 40° and walked a further 3.8 km in a straight line.
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Give the equation of the line through the point ( - 10,9) with a slope of -1/5
hichkok12 [17]

Equation of the line in slope-intercept form is y = -1/5 x + 9

Step-by-step explanation:

  • Step 1: Given slope of the line is -1/5 and the point is (-10, 9). Here m=-1/5.

⇒ y = -1/5 x + b  ------ (1)

  • Step 2: Find the y-intercept of the line, b. Since the line passes through (-10, 9) substitute x = -10 and y = 9 in eq(1)

⇒ 9 = -1/5 × -10 + b = 2 + b

⇒ b = 9 - 2 = 7

  • Step 3: Slope intercept form of the line is y = mx + b. Form the equation using the values of m and b.

⇒ y = -1/5 x + 7

It can also be written as 5y + x = 35

7 0
3 years ago
(Worth 11 points) I have this semester a unit test and i reallllllly need help wif this question, I will mark you. But im really
olga nikolaevna [1]

Answer:

r u finding the slope? bc the slope is -3/1.5

the y intercept is -3

the x intercept is -1.5

Step-by-step explanation:

hope this helped!!! and if i didnt, im sorryyy!!

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Simplify 3m/m-6 * 5m^3-30m^2/5m^2
Varvara68 [4.7K]
-30m^3-3 here is your answer

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(a) Suppose Y1(t) is a solution of an autonomous system dY/dt = F(Y). Show that Y2(t) = Y1(t +t0) is also a solution for any con
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Answer:

Step-by-step explanation: see attachment

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