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Grace [21]
1 year ago
6

Solving algebraic equationsSolve:1/5m = 4 - 3/10m

Mathematics
1 answer:
sertanlavr [38]1 year ago
3 0

EXPLANATION

Given the equation:

1/5m = 4-3/10m (Adding +3/10 to both sides)

1/5m +3/10m = 4 (Adding 1/5 + 3/10)

1/2m = 4 (Isolating m)

m = 2*4 (Multiplying)

m=8

ANSWER: m=8

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Find the missing coefficients <br><br><br>y=ax^2-10x+c <br>vertex :(-5,20)
Citrus2011 [14]
Remember, for y=ax^2+bx+c the x value of the vertex is \frac{-b}{2a}

so
given
x value of vertex is -5
and
y=ax^2-10x+c
\frac{-b}{2a}=\frac{-(-10)}{2a}=\frac{10}{2a}=
\frac{5}{a}=-5
multiply both sides by a
5=-5a
divvide both sides by -5
-1=a
a=-1


y=-1x^2-10x+c
comlete the square
remember if we do
y=a(x-h)^2+k (h,k) is the vertex
I know, we can subsitute the known values of te vertex
-5 for h and 20 for k then expand

y=-1(x-(-5))^2+20
y=-1(x+5)^2+20
y=-1(x^2+10x+25)+20
y=-1x^2-10x-25+20
y=-1x^2-10x-5

a=-1
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5 0
3 years ago
A garden snail moves 1/6 foot in 1/3 hour. Find the speed of the snail in feet per hour
Arisa [49]
(1/6 ft)/ (1/3 hour)= 1/2 ft/hour

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6 0
4 years ago
I need help with the bottom section b
d1i1m1o1n [39]

Answer:

Interior Angle Theorem

x=5

measure of angles: 46, 46, 134

Step-by-step explanation:

Interior angle theorem

12x-14=5x+21

7x=35

x=5

12x-14=12(5)-14=46

5x+21=5(5)+21=46

20x+34=20(5)+34=134

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3 years ago
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6 0
3 years ago
A-14 <br> b-39 <br> c-51<br> d-90 <br><br> i’ll appreciate any help
Nat2105 [25]

Answer:

14

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2x + 11 + 4x - 5 = 90° because this is a right triangle.

6x + 6 = 90°

6x = 84

x = 14

7 0
4 years ago
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