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3 years ago

2+2-1 this is a very hard question

Mathematics

2 answers:

user100 [1]3 years ago

5 0

Answer: its 3... I think

Step-by-step explanation: //Give thanks(and or Brainliest) if helpful (≧▽≦)//

bazaltina [42]3 years ago

3 0

Answer:

Step-by-step explanation:

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F(x)=2x+3/4x+5 find f(-9)

mylen [45]

$\implies {\blue {\boxed {\boxed {\purple {\sf { f(-9)= 0.48}}}}}}$

$\large\mathfrak{{\pmb{\underline{\orange{Step-by-step\:explanation}}{\orange{:}}}}}$

$f(x) = \frac{2x + 3}{4x + 5} \\$

For $f(-9)$ , put " $-9$ " for every value of " $x$ ".

$↬f( - 9) = \frac{2( - 9) + 3}{4( - 9) + 5}\\$

$↬ f(-9) = \frac{ - 18 + 3}{ - 36 + 5} \\$

$↬ f(-9) = \frac{ - 15}{ - 31}\\$

$↬ f(-9)= \frac{15}{31}\\$

$↬f(-9)= 0.48\\$

$\bold{ \green{ \star{ \red{Mystique35}}}}⋆$

6 0

3 years ago

Read 2 more answers

Julies buys 8.2 pounds of pears for $16 ABOUT how much do they cost per pound?

RoseWind [281]

Answer:

$1.95 or 2. According to your refrences.

Step-by-step explanation:

4 0

2 years ago

If 5(x + 7)= -3, then 5x +35= -3

tensa zangetsu [6.8K]

= 5x + 35 = -3
- 35 = -35
5x = -38
/ 5 = / 5
x = -7.6

8 0

3 years ago

The two men measure the angle of elevation to the highest point on the rock to be 22.6°. They

IgorC [24]

Answer:

15 m

Step-by-step explanation:

Refer to attached picture

The height = h
Angles of elevation 22.6° and 38.3°
Closer distance = d

Use tangent to solve

tan 22.6° = h/(d + 17) ⇒ h = (d + 17) tan 22.6° ⇒ h = 0.42(d + 17)
tan 38.3° = h/d ⇒ h = d tan 38.3° ⇒ h = 0.79d

Compare the equations above and find the value of d:

0.42(d + 17) = 0.79d
0.42d + 7.14 = 0.79d
0.79d - 0.42d = 7.14
0.37 d = 7.14
d = 7.14/0.37
d = 19.3 m

Now find the value of h:

h = 0.79d
h = 0.79*19.3
h = 15

Wave Rock is 15 m tall

3 0

2 years ago

HELP ME ON GEOMETRY!!! PLZ NO LINKS! > i will report.

DiKsa [7]

Answer

I believe B.)8in3 is the right answer according to the square-cube law.

Step-by-step explanation:

3 0

2 years ago