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3 years ago

Plz help me or I will get my phone taken away

Mathematics

2 answers:

Leokris [45]3 years ago

4 0

5 divided by nine multiply by n equal 4 divided by nine times n plus 4
5/9*n subtract 4/9 multiply n equals 4
1/9*n equal 4
n=36

LUCKY_DIMON [66]3 years ago

3 0

I believe it’s 18 because you find 5 then another 4 which is 9 and you guys already had 9, 9 plus 9 equal 18

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Find the volume of each cone.

SVEN [57.7K]

Answer:

1. V={π(3^2)*9 in^3}/3=84.82 in^3

2. V= {π(7^2)*11 in^3}/3=564.44 in^3

3. V= {π(15^2)*20 in^3}/3=4,712.39 yd^3

Step-by-step explanation:

V=π(r^2)h

5 0

3 years ago

One fifth of one number and one fourth of a number are added, the result is 29. What is the original number?

Morgarella [4.7K]

Answer:

$\dfrac{580}{9}$

Step-by-step explanation:

$\dfrac{1}{5}x + \dfrac{1}{4}x = 29$

$\dfrac{4}{20}x + \dfrac{5}{20}x = 29$

$\dfrac{9}{20}x = 29$

$x = 29 \times \dfrac{20}{9}$

$x = \dfrac{580}{9}$

Answer: $\dfrac{580}{9}$

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3 years ago

Given: B = 7 −3 5 −1 C = 1 −1 13 −5 Solve the equation: 2X + B = C X =

zhuklara [117]

Answer:

-3/4 and 1/-2 is the correct answer.

Step-by-step explanation:

8 0

3 years ago

Solve for m <br>5m - 10m = 20<br><br>can anyone help me out?

sweet-ann [11.9K]

Answer:

m=-4

Step-by-step explanation:

5m-10m=-10m+5m=-(10m-5m)=-5m=20

divide by 5 on both sides, -m=4

miltiply by -1 on both sides, m=-4

8 0

2 years ago

Read 2 more answers

Which of the following polynomial functions is graphed below? OA. f(x) = (x - 2) ^ 2 * (x + 3) * (x - 1) O B. f(x) = (x + 2) ^ 2

laila [671]

The function of the polynomial is (b) $f(x) = (x + 2) ^ 2 * (x - 3) * (x + 1)$

From the graph, we have the following highlights

The graph crosses the x-axis at x = -1 and x = 3
The graph touches the x-axis at x = -2

The above highlights mean that:

The function has a multiplicity of 1 at x = -1 and x = 3
The function has a multiplicity of 2 at x = -2

So, the function of the polynomial is:

$f(x) =a(x + 2)^2(x + 1)(x - 3)$

Assume a = 1.

So, we have:

$f(x) =1(x + 2)^2(x + 1)(x - 3)$

Multiply

$f(x) =(x + 2)^2(x + 1)(x - 3)$

Hence, the function of the polynomial is (b) $f(x) = (x + 2) ^ 2 * (x - 3) * (x + 1)$

Read more about polynomial graphs at:

brainly.com/question/8878887

8 0

2 years ago