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HACTEHA [7]
3 years ago
10

Plz answer i need help

Mathematics
1 answer:
Kipish [7]3 years ago
7 0

Answer:

2nd,3rd,5th

Step-by-step explanation:

use line of the best fit to plug in numbers and get answers

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Simplify 7x + (x – 4)(x + 5) – 5x.
Llana [10]
7x+(x-4)(X+5)-5x
7x+(X*2+ 5x-4x-20)-5x
7x+(X*2+ x-20)-5x
X*2+3x-20
6 0
3 years ago
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The diameter, D, of a sphere is 19.6 cm. Calculate the sphere's volume, V. Use the value 3.14 for pi, and round your answer to t
Bond [772]

Answer:

3940.5 cm^3 to the nearest tenth.

Step-by-step explanation:

The radius = 1/2 * diameter = 9.8 cm

Volume V = 4/3 *3.14 * 9.8^3

= 3940.457.

4 0
2 years ago
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I need help badly if you can help thank you very much
MArishka [77]

Answer:

(24,4,84)

Step-by-step explanation:

Since they restricted our domains to certain x values, we can find the range by plugging in the x values to find it y value or output.

f( - 2) = 5( { - 2}^{2} ) + 4

5(4) + 4 = 24

f(0) =  - 5( {0}^{2} ) + 4 = 4

5(4) {}^{2}  + 4 = 84

So our range is (24,4,84)

7 0
3 years ago
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find the equation of the line which passes through the point (-5,5) and is parallel to the given line. express your answer in sl
Softa [21]

The given equation of a line is:

7y-14=-3(5-x)

It is required to find the equation of a line that is parallel to this line and passes through the point (-5,5).

Recall that the equation of a line in point-slope form is given as:

y-y_1=m(x-x_1)

Where m is the slope of the line, and the line passes through the point (x₁,y₁).

Rewrite the given equation in the point-slope form:

\begin{gathered} 7y-14=-3(5-x) \\ Distribute\text{ -1 into the parentheses in the right-hand side:} \\ \Rightarrow7y-14=3(-5+x) \\ \text{Rewrite the expression in the parentheses using the co}mmutative\text{ property of addition:} \\ \Rightarrow7y-14=3(x-5) \\ \text{Divide both sides of the equation by 7:} \\ \Rightarrow y-2=\frac{3}{7}(x-5) \end{gathered}

Compare this equation with the standard point-slope form written above, it can be seen that the slope of the line is 3/7.

Recall that the slopes of parallel lines are the same or equal<em>.</em>

It follows that the slope of the required parallel line is also 3/7.

Substitute m=3/7 and the point (x₁,y₁)=(-5,5) into the point-slope form of the equation of a line:

y-5=\frac{3}{7}(x-(-5))

Rewrite the equation in the slope-intercept form and simplify as required:

\begin{gathered} \Rightarrow y-5=\frac{3}{7}(x+5) \\ \Rightarrow y-5=\frac{3}{7}x+\frac{15}{7} \\ \Rightarrow y=\frac{3}{7}x+\frac{15}{7}+5 \\ \Rightarrow y=\frac{3}{7}x+\frac{50}{7} \end{gathered}

The required equation of the line is y=3/7 x + 50/7.

5 0
1 year ago
Anim3 f4nz ?
Bess [88]

Answer:

Bruh why do you have to self promote in Brainly of all places?

Step-by-step explanation:

4 0
3 years ago
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