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expeople1 [14]
3 years ago
14

6(10+z+3) whats the answer i need help and also when someone texts you lol what would you say

Mathematics
1 answer:
jeka943 years ago
3 0
6(10+z+3)
= (6)(10 + z +3)
= (6)(10) + (6)(x) + (6)(3)
= 60 + 6x + 18
= 6x + 78
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How much larger is the bigger faction 3/8, 11/15
natima [27]

Step-by-step explanation:

3/8 and 11/15

LCM = 30

3/8x4 and 11/15x2

12/30 and 22/30

22/30-12/30

=10/30

The difference is 10/30

The larger sum is 11/15

vous êtes les bienvenus, baisers!

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Move numbers to the blanks to solve the problem
gregori [183]

Answer:

18

Step-by-step explanation:

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3 years ago
My questions are all in the photo
user100 [1]

Answer:

A. a=25

B. RCA and QBD

C. Angle PBA

Step-by-step explanation:

2a-9+5a+14=180 since they are same side interior they equal 180

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subtract 5 from each side- 7a=175

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3 years ago
FIND THE UNIT RATE:<br><br> A 40 lb. bag of potatoes cost $24
bonufazy [111]
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8 0
3 years ago
A water balloon is tossed into the air with an upward velocity of 40 ft/sits height h(t) in ft after t seconds is given by the f
olga_2 [115]

h(t) = -46t² + 40t + 3

We can think this graph by t being the x-axis and h being y-axis

So we want the maximum value to y.

We know by math that the vertex of a parabola is (-b/2a, -Δ/4a)

So the y value of the vertex is -Δ/4a

Let's calculate:

Δ = b² - 4.a.c

Δ = 40² - 4.(-46).3

Δ = 2152

Yvertex = -2152/4.(-46)

Yvertex = 2152/184

Yvertex = 269/23

Now we have the value of y we need to equal it to the equation

269/23 = -46t² + 40t + 3

-46t² + 40t + 3 - 269/23 = 0

-46t² + 40t - 200/23 = 0

Δ = b² - 4.a.c  

Δ = 40² - 4 . -46 . (-200/23)  

Δ = 1600 - 4. -46 . (-200/23)  

Δ = 0

There's 1 real root.

In this case, x' = x'':

x = (-b +- √Δ)/2a

x' = (-40 + √0)/2.-46    

x'' = (-40 - √0)/2.-46

x' = -40 / -92    

x'' = -40 / -92

x' = 0,43478260869565216    

x'' = 0,43478260869565216

So, after approximately 0,4348 seconds the balloon will reach the highest point.

B) height after 2 seconds

h(2) = -46.2² + 40.2 + 3

h(2) = -46.4 + 80 + 3

h(2) = -184 + 83

h(2) = -101

Not sure how it's possible but it would be -101.

4 0
3 years ago
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