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Andru [333]
3 years ago
12

If f(x) = 4+ 3x, what is f(-9)?

Mathematics
2 answers:
Vlad [161]3 years ago
8 0

Answer:

-23

Step-by-step explanation:

goldfiish [28.3K]3 years ago
3 0

Answer:

f(-9) is -9 or -9f

Step-by-step explanation:

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ASAP PLEASE (this is like five questions in one) GIVING 15 POINTS!!!
valentinak56 [21]

Answer:

D

21√2/2

C

C

C

Step-by-step explanation:

For all problems, the ratios of the lengths of the sides are:

30-60-90 triangle 1 : √3 : 2

45-45-90 triangle 1 : √2 : √2

Problem 3:

30-60-90 triangle at left

Hypotenuse = 11

Short leg = 11/2

Long leg = 11/2 × √3

45-45-90 triangle at right

x = 11/2 × √3 × √2 = 11√6/2

Answer: D

Problem 4:

30-60-90 triangle at top

Hypotenuse = 7√3

Short leg = 7√3/2

Long leg = 7√3/2 × √3 = 7 × 3/2 = 21/2

45-45-90 triangle at right

x = 21/2 × √2 = 21√2/2

Answer: 21√2/2

Problem 7:

30-60-90 triangle

Long leg = 4√3

Short leg = y = 4√2/2 = 2√2

Answer: C.

Problem 6:

30-60-90 triangle at left

Hypotenuse = 12√6

Short leg = 12√6/2 = 6√6

Long leg = 6√6 × √3 = 6√2√3√3 = 18√2

45-45-90 triangle at right

x = 18√2/√2 = 18

Answer: C.

Problem 8:

45-45-90 triangle

Hypotenuse = 2

Leg = y = 2/√2 = 2√2/(√2√2) = √2

Answer: C.

5 0
2 years ago
2 is a only even prime number yes or no ​
balu736 [363]

Answer:

yes.<em> </em><em>2</em><em> </em><em>is</em><em> </em><em>an</em><em> </em><em>only</em><em> </em><em>even</em><em> </em><em>prime</em><em> </em><em>number</em><em>. </em>

Step-by-step explanation:

<em>Prime</em><em> </em><em>number</em><em> </em><em>means</em><em> </em><em>a</em><em> </em><em>number</em><em> </em><em>that</em><em> </em><em>can</em><em> </em><em>be</em><em> </em><em>exactly</em><em> </em><em>divisible</em><em> </em><em>by</em><em> </em><em>1</em><em> </em><em>and</em><em> </em><em>itself</em><em> </em><em>is</em><em> </em><em>called</em><em> </em><em>prime</em><em> </em><em>number</em><em>. </em>

<em>2</em><em> </em><em>is</em><em> </em><em>divisible</em><em> </em><em>by</em><em> </em><em>1</em><em> </em><em>and</em><em> </em><em>2</em>

<em>prime</em><em> </em><em>number</em><em> </em><em>has</em><em> </em><em>only</em><em> </em><em>two</em><em> </em><em>factors</em><em>. </em>

<em>FOR</em><em> </em><em>Example</em><em>:</em><em> </em><em>13</em>

<em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em>HAVE A NICE DAY</em><em>!</em>

<em>THANKS FOR GIVING ME THE OPPORTUNITY</em><em> </em><em>TO ANSWER YOUR QUESTION</em><em>. </em>

6 0
3 years ago
Read 2 more answers
A rectangular pool has a length of
Sholpan [36]
P=(15x-2+4x+7)2=(19x+5)2=38x+10
8 0
3 years ago
2c/11= c-3/4 what is the solution
Lina20 [59]
<span>2c/11=(c-3)/4

We simplify the equation to the form, which is simple to understand
<span>2c/11=(c-3)/4

Simplifying:
<span> + 0.181818181818c=(c-3)/4

Reorder the terms in parentheses
<span> + 0.181818181818c=( + 0.25c-0.75)

Remove unnecessary parentheses
<span> + 0.181818181818c=0.25c-0.75

We move all terms containing c to the left and all other terms to the right.
<span> + 0.181818181818c-0.25c=-0.75

We simplify left and right side of the equation.
<span>-0.0681818181818c=-0.75

We divide both sides of the equation by -0.0681818181818 to get c.
<span>c=11 remember to mark me the brainiest please</span></span></span></span></span></span></span></span>
3 0
3 years ago
All of the following are examples of repeating decimal numbers except _____.
Bess [88]
I think it’s 0.141 same
4 0
4 years ago
Read 2 more answers
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