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3 years ago

Consider a graph for the equation y= -3x+4. What is the y intercept?

Mathematics

2 answers:

exis [7]3 years ago

5 0

Answer:

Choice A is correct answer.

Step-by-step explanation:

y = mx+b is slope-intercept for equation of a line where m denotes slope and b denotes y-intercept of a line.

Slope is defined as the steepness of the line and it is denoted by m.

y-intercept is the point where the value of x is zero and it is denoted by any small letter.

Given equation is :

y = -3x+4

comparing above equation with general slope - intercept form , we get

m = -3 and b = 4

hence,y-intercept is 4.

Alexeev081 [22]3 years ago

3 0

Answer:

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

y = - 3x + 4 is in this form

with y- intercept c = 4 → A

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Circle O has a circumference of 36π cm. Circle O with radius r is shown. What is the length of the radius, r? 6 cm 18 cm 36 cm 7

Gwar [14]

Answer: 18 cm

Step-by-step explanation:

We know the circumference formula is C=2πr. Since our circumference is given in terms of π, we can easily figure out what the radius is.

36π=2πr [divide both sides by π to cancel out]

36=2r [divide both sides by 2]

r=18 cm

6 0

3 years ago

3x to the x power plus 1 equals 9

Pani-rosa [81]

Do you want the answer or it written out? The written out would be down below and the answer is also down below in the x to the power of x equals 8/3 and its written out.

5 0

3 years ago

Write an equation of the line that passes through the pair of points (5, 8) and<br> (9, 16).

SashulF [63]

Answer:

D: y = 2x - 2

Step-by-step explanation:

1. $\frac{16-8}{9-5}$ = 2

2. y = 2x + b

3. Insert the points into the equation: 8 = 10 + b

4. b = -2

5. y = 2x - 2

6 0

3 years ago

Read 2 more answers

9.21 <br><img src="https://tex.z-dn.net/?f=9.21%20%5Cdiv%200.4%20%3D%20" id="TexFormula1" title="9.21 \div 0.4 = " alt="9.21 \di

Whitepunk [10]

Let us do it by converting the 0.4 to a fraction, it has one decimal, so we'll use one zero at the denominator.

and 9.21 to a fraction as well, two decimals, thus two zeros at the denominator then,

$\bf 9.21\div 0.4\\\\
-------------------------------\\\\
0.\underline{4}\implies \cfrac{04}{1\underline{0}}\implies \cfrac{4}{10}\implies \cfrac{2}{5}\qquad \qquad \qquad \qquad 9.\underline{21}\implies \cfrac{921}{1\underline{00}}\\\\
-------------------------------\\\\
9.21\div 0.4\implies \cfrac{921}{100}\div \cfrac{2}{5}\implies \cfrac{921}{100}\cdot \cfrac{5}{2}\implies \cfrac{921}{20}\cdot \cfrac{1}{2}\implies \cfrac{921}{40}
\\\\\\
23\frac{1}{40}\implies 23.025$

3 0

4 years ago

Can someone please help me with this?

dedylja [7]

Answer:

e = 29.0 will be the answer.

Step-by-step explanation:

Use the sine rule in the given triangle,

$\frac{EF}{\text{sin}(\angle D)}=\frac{DE}{\text{sin}(\angle F)}=\frac{DF}{\text{sin}(\angle E)}$