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OlgaM077 [116]
3 years ago
15

Solve ax – 5 = b for a

Mathematics
2 answers:
zhannawk [14.2K]3 years ago
7 0

Answer:

a=\frac{b+5}{x},x\ne0

Step-by-step explanation:

The given equation is:

ax-5=b

We want to solve this equation for a.

We add 5 to both sides of the equation to get:

ax=b+5

We divide both sides by x to get:

a=\frac{b+5}{x},x\ne0

We must restrict the domain because a is not defined for all values of x.

alexgriva [62]3 years ago
3 0

ax - 5 = b

ax = b + 5

a = \frac{b+5}{x}

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Answer:

469.42 ft²

Step-by-step explanation:

  • Law of sines;

         w/sin27 = 38/sin40

                   w = sin27*38/sin40

                    w = 26.84 ft

  • Angle x;

            ∡X = 180 - 27- 40 = 113º

  • Area;

              A = 0.5*(26.84)*(38)*sin(113)

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3 years ago
I can't figure out how to find the proper area of a prism, can anyone help?
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Answer:

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A right prism is made up of two identical, parallel bases on the ends, and the faces are perpendicular to the bases. The formula for finding surface area is 2B + hP (where B is the area of one of the bases, h is the prism's height and P is the perimeter of the base)

Step-by-step explanation:

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3 years ago
A chemical company makes two brands of antifreeze. The first brand is 65% pure antifreeze, and the second brand is 90% pure anti
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\bf \begin{array}{lcccl} &\stackrel{solution}{gallons}&\stackrel{\textit{\% of }}{antifreeze}&\stackrel{\textit{gallons of }}{antifreeze}\\ \cline{2-4}&\\ \textit{1st brand}&x&0.65&0.65x\\ \textit{2nd brand}&y&0.90&0.9y\\ \cline{2-4}&\\ mixture&40&0.8&32 \end{array}~\hfill \to \begin{cases} x+y&=40\\ \boxed{x}=40-y\\ \cline{1-2} 0.65x+0.9y&=32 \end{cases} \\\\[-0.35em] ~\dotfill

\bf \stackrel{\textit{substituting in the 2nd equation}}{0.65\left( \boxed{40-y} \right)+0.9y=32}\implies 26-0.65y+0.9y=32 \\\\\\ 26+0.25y=32\implies 0.25y=6\implies y=\cfrac{6}{0.25}\implies \blacktriangleright y=24 \blacktriangleleft \\\\[-0.35em] ~\dotfill\\\\ \stackrel{\textit{since we know that}}{x=40-y\implies }x=40-24\implies \blacktriangleright x=16 \blacktriangleleft

7 0
3 years ago
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Please help me idk this
Stells [14]
We are given that Donna knit a total of 12 blankets.

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To find the number of blankets in 1 month, take ratio of number of blankets to number of months.

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3 years ago
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marusya05 [52]

Answer:

Step-by-step explanation:

E) y +17 =2

y =2-17 = -15

A) 19=a+5

a=19-5= 14

Y) n-6= -50

n=-50+6= -44

L) let the number be p

p+9= -30

p = -30-9= -39

L) -9 + m =20

m = 20+9 = 29

E) 7 = x -23

x = 7+23 = 30

W) 8 +q = -11

q = -11-8 = -19

T) k -8 = -3

k = -3+8 = 5

T) 3 = 10+v

v = 3-10 = -7

H) t-(-1) =45

t+1 =45

t = 45-1 = 44

N) let the number be b

b-20 = -75

b = -75+ 20 = -55

Q) x + (-3) = 22

x = 22+3 = 25

E) p-(-3) =100

p+3=100

p = 100-3 =97

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H) -9 = h+47

h = -9-47 = -56

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x = 13+13 = 26

O) t-(-29) = 29

t+29 = 29

t = 29-29 = 0

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