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Svetlanka [38]
3 years ago
12

Simplify the expression. -5(7m + 9) =

Mathematics
2 answers:
OlgaM077 [116]3 years ago
6 0

Answer:

Step-by-step explanation:

Here you go mate

Step 1

-5(7m + 9)  Equation/Question

Step 2

-5(7m + 9)  Simplify

(-5)(7m+9)

Step 3

(-5)(7m+9)  Multiply

-35m-45

Answer

-35m-45

Hope this helps

Schach [20]3 years ago
4 0

Answer:

Step-by-step explanation:

I can help

Step 1

-5(7m + 9)  Simplify

Step 2

-5(7m + 9)  use the law of distribution

-5*7m+(-5)*9

Step 3

-5*7m+(-5)*9  Simplify

Answer

-35m-45

Hope this helps

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Given that u = 2.89 and v = 5.7, find the value of G when:<br> a G = 5u + 2y
EleoNora [17]

Answer:

28.85

Step-by-step explanation:

Plug the values in and solve.

G = 5u + 2y

G = 5(2.89) + 2(5.7)

G = 14.45 + 11.4

G = 25.85

5 0
3 years ago
Use the substitution method <br> Y=-2x+11 y=-3x+21
gogolik [260]

Solve for the first variable in one of the equations, then substitute the result into the other equation.

Y = 2 y /3 − 3


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Hope this helped!

6 0
3 years ago
50 POINTS PLEASE HELP ASAP THE FULL QUESTION IS ON THE PICTURE
Deffense [45]
The first one is 50 cm
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5 0
2 years ago
(4 pts) If a rock is thrown vertically upward from the surface of Mars with an initial velocity of 15m/sec
Yuliya22 [10]

Answer:

Step-by-step explanation:

I see you're in college math, so we'll solve this with calculus, since it's the easiest way anyway.

The position equation is

s(t)=-1.86t^2+15t  That equation will give us the height of the rock at ANY TIME during its travels. I could find the height at 2 seconds by plugging in a 2 for t; I could find the height at 12 seconds by plugging in a 12 for t, etc.

The first derivative of position is velocity:

v(t) = -3.72t + 15 and you stated that the rock will be at its max height when the velocity is 0, so we plug in a 0 for v(t):

0 = -3.72t + 15 and solve for t:\

-15 = -3.72t so

t = 4.03 seconds. This is how long it takes to get to its max height. Knowing that, we can plug 4.03 seconds into the position equation to find the height at 4.03 seconds:

s(4.03) = -1.86(4.03)² + 15(4.03) so

s(4.03) = 30.2 meters.

Calculus is amazing. Much easier than most methods to solve problems like this.

7 0
2 years ago
Dividing a decimals by a decimal like 2.4 divid by 16.4
aksik [14]
Well 2.4/ 16.4 is 6.9, but idk if that is what u were asking for

5 0
3 years ago
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