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3 years ago

Formulas and Literal Equations

Mathematics

1 answer:

miskamm [114]3 years ago

7 0

Answer:

$x = 23$

Step-by-step explanation:

Given, $\frac{x - 5}{2} = 9$ , solve for x.

Multiply both sides by 2

$\frac{x - 5}{2} \times 2 = 9 \times 2$

$x - 5 = 18$

Add x to both sides

$x - 5 + 5 = 18 + 5$

$x = 23$

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F(x) = 4/x-9 g(x)=4/x + 9 find f(g(x))

Alenkinab [10]

Hello,

$f(x)= \dfrac{4}{x-9} \\

g(x)= \dfrac{4}{x+9} \\

f(g(x))=f( \dfrac{4}{x+9} )\\

= \dfrac{4}{ \dfrac{4}{x+9}-9} \\

= \dfrac{4(x+9)}{4-9x-81} \\

=- \dfrac{4x+36}{77x+9x} 


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6 0

3 years ago

Jay is letting her bread dough rise. After three hours, her bread dough is \dfrac{11}{5} 5 11 start fraction, 11, divided by,

timama [110]

Answer:

Jay's bread size is 220% of the original size.

Step-by-step explanation:

The question is incomplete.

The complete question is as follows.

Jay is letting her bread rise. After 3 hours,her bread is at 11/5 of its original size. What percent of its original size is jays bread dough?

Solution:

Let the original bread size be = $100$ units

After 3 hours the bread rises = $\frac{11}{5}$ of the original size

New size of bread = $\frac{11}{5}\times 100=220$ units

Percent of original size the new bread is

⇒ $\frac{New\ bread\ size}{Original\ bread\ size}\times 100$

⇒ $\frac{220}{100}\times100$

⇒ $220\%$

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3 years ago

PLEASE HELP ME

monitta

Answer:

Step-by-step explanation:

7 0

2 years ago

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Tape Diagrams and Writing Equations

notka56 [123]

Answer:

3x + 16 = 22.75

3 = 22.75 - 16

3× = 6.75

3 3

x= 2.25

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2 years ago

Which is the x-intercept of the graph of the equation y=3x–9?

Vinvika [58]

Y=3x-9
0=3x-9
-3x=-9
x=3
X-int = 3

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2 years ago