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sergey [27]
3 years ago
11

I need help Negehejrvrkrvrnrbr

Mathematics
1 answer:
Luba_88 [7]3 years ago
3 0
V=4/3pi(5)
523.6 units cubed
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How do you solve this 2 step equation: 8+b/-4=5
Delicious77 [7]
I'm going to rewrite the equation assuming this is the correct form:
8 - \frac{b}{4} = 5
\newline
-8 + 8 - \frac{b}{4} = 5 - 8
\newline
(-4)\cdot -\frac{b}{4} = -3 \cdot (-4)
\newline
b = -12
3 0
3 years ago
Determine the value of x for which a || b if m<30=80-x and m<7=90-2x.
abruzzese [7]
D. 10

m<3 = 80 - (10) = 70
m<7 = 90 - (20) = 70
8 0
3 years ago
Which equation best matches the graph shown below?
n200080 [17]

Answer:

y= 0.2(x+1)^2+5 (Bottom left answer)

Step-by-step explanation:

Hope this helps :)

6 0
2 years ago
A school contains students in grades 1, 2, 3, 4, 5, and 6. Grades 3, 4, 5, and 6 all contain the same number of students. There
3241004551 [841]

Answer:

Step-by-step explanation:

answer is 4

7 0
3 years ago
A banner is in the shape of a right triangle. the area is 63 inches. The height of the banner is 4 in less than twice the width
Blizzard [7]
Area=1/2 times base times height
note:bh=base times height

a=1/2bh
b=width

h=-4+2w
h=2w-4
subsitute
a=1/2w(2w-4)
a=1/2(2s^2-4w)
a=w^2-2w
a=63
63=w^2-2w
subtract 63 from both sdies
0=w^2-2w-63
factor
find what 2 numbers multiply to get -63 and add to get -2
the numbers are -9 and 7
so
0=(w-9)(w+7)
if xy=0 then x and/or y=0

so
w-9=0
w+7=0

solve each
w-9=0
add 9 to both sdies
w=9

w+7=0
subtract 7 from both sides
w=-7
width cannot be negative so this can be discarded

width=9

subsitute
l=2w-4
l=2(9)-4
l=18-4
l=14


legnth=14 in
width/base=9 in
5 0
3 years ago
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