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stepan [7]
3 years ago
13

Help with number 2 and show how you got the answer

Mathematics
2 answers:
dimulka [17.4K]3 years ago
6 0
2/5 on the pie chart it says that 2/5 of the band plays a brass instrument
luda_lava [24]3 years ago
6 0
It should be 12 people. 2/5 of 30 is 12
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Solve<br> 72 + 4 - 4x = 36
Pachacha [2.7K]

Answer:

x=10

Step-by-step explanation:

We first need to combine like terms

76-4x=36 We will then use inverse operations to find x

-4x=-40 Continue using inverse operations

x=10

7 0
3 years ago
Read 2 more answers
What is the answer to question 12
alex41 [277]
I'm not sure if its only my computer, but neither the photograph nor the question itself appears on my screen, but what is question #12?
8 0
3 years ago
Read 2 more answers
Please help me.
True [87]
Not sure if y-2x=10 or y-2x=-10

I'll solve both
later you will see that 10 or -10 is irrelevant

find slope first since perpendicular lines have slopes that multiply to -1
the slope from form ax+by=c is -a/b
-2x+y=?
slope=-(-2)/1=2


perpendicualr
2 times what=-1
what=-1/2

y=mx+b
m=slope
we know slope is -1/2
y=-1/2x+b
find b
subsitut eht point (9,-5)
(x,y)
x=9 and y=-5
-5=-1/2(9)+b
-5=-9/2+b
add 9/2 to both sides
-1/2=b

the equation is
y=-1/2x-1/2
8 0
4 years ago
Boyle’s law states that when considering gases, volume varies inversely with pressure. If V represents the volume of the gas and
Sholpan [36]

Step-by-step explanation:

<u>According to Boyle's Law</u> :

P_1 * V_1 = P_2 * V_2

5 * 4 = 3 * V_2

V_2 = 6.66 L

8 0
3 years ago
Anyone know how to do this?
Firdavs [7]

Answer:

0=1/2x^2 -36x+522

or 0= 0.5x^2 -36x +522

hope you were helped by answer. mark me as brainliest

5 0
3 years ago
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