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2 years ago

Can somebody please help?

Mathematics

1 answer:

fgiga [73]2 years ago

7 0

Answer:

1. real number, irrational number

2. rational number, real number

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Given ƒ(x) = 14x + 42, find x when ƒ(x) = 35. A) − 12 Eliminate B) −1 C) 1 D) 3

balandron [24]

Step-by-step explanation:

$f(x)=14x+42$

$f(x)=35$

Given the information above, we can simply set up an equation so we can find the value of x.

$14x + 42 = 35$

Subtract 42 on both sides.

$14x=-7$

Divide 14 on both sides.

$x=-\frac{1}{2}$

So, the value of x is equal to -1/2 when f(x) is 35.

6 0

2 years ago

WILL GIVE BRAINLIEST. Tickets to a show cost $3 for students and $7 for adults. If 250 tickets were sold and ticket sales totale

Diano4ka-milaya [45]

Answer:

88 adult tickets were sold

Step-by-step explanation:

3s + 7a = 1102

(s + a = 250)-3

3s + 7a = 1102

+ -3s - 3a = -750 Add these equations together

4a = 352 Divide both sides by 4

a = 88

Now plug this into the second equation

s + a = 250

s + 88 = 250

- 88 - 88 Subtract 88 from both sides

s = 162

If this answer is correct, please make me Brainliest!

7 0

2 years ago

Read 2 more answers

Plz help i need to finish this asap so i can graduate

Sloan [31]

F(x) = x^2 + 3x + 2
if g(x) is the reflection of f(x) across the x - axis then
g(x) = -f(x)
g(x) = - (x^2 + 3x + 2)
g(x) = - x^2 - 3x - 2

8 0

2 years ago

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

8090 [49]

Answer:

tanΘ = - $\frac{12}{5}$

Step-by-step explanation:

Using the trigonometric identities

• sin²x + cos²x = 1, hence

cosx = ± √(1 - sin²x )

• tanx = $\frac{sinx}{cosx}$

given sinΘ = $\frac{12}{13}$ , then

cosΘ = ± $\sqrt{1-(12/13)^2}$

Since Θ is in the second quadrant where cosΘ < 0, then

cosΘ = - $\sqrt{1-\frac{144}{169} }$

= - $\sqrt{\frac{25}{169} }$ = - $\frac{5}{13}$

tanΘ = $\frac{\frac{12}{13} }{\frac{-5}{13} }$

= $\frac{12}{13}$ × - $\frac{13}{5}$ = - $\frac{12}{5}$

5 0

2 years ago

Eighteen subtracted from half a number is 38.<br> Find the number.

Andrews [41]

Answer:

x=112

Step-by-step explanation:

x/2-18=38

first add +18

x/2=56

now multiply by 2

x=112

6 0

3 years ago