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prohojiy [21]
2 years ago
13

What is the equation of a line with a slope of -3 and a y-intercept of 4?

Mathematics
2 answers:
Neporo4naja [7]2 years ago
8 0

Answer:

B. y=-3x+4

Step-by-step explanation:

slope always has the variable

butalik [34]2 years ago
7 0

Answer:

Step-by-step explanation:

hello :

an equation for the line is : y=ax+b   when a is the slope

so : a= -3

y-intercept of 4  means x=0   y=4

Answer: B    because   x=0    y=-3(0)+4  = 4

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If Mary deposits $275 in principal at an interest rate of 3.2 percent, how much interest will she earn in one year
nekit [7.7K]

Answer:

Mary earns interest in one year is $88 .

Step-by-step explanation:

Formula

Simple\ interest = \frac{Principle\times rate\times time}{100}

As given

If Mary deposits $275 in principal at an interest rate of 3.2 percent .

Principle = $275

Rate = 3.2%

Time = 1 year

Putting all the values in the formula

Simple\ interest = \frac{275\times 3.2\times 1}{100}

Simple\ interest =\frac{880}{100}

Simple interest = $88

Therefore the Mary earns interest in one year is $88 .

3 0
4 years ago
Read 2 more answers
If a polygon has 36 angles, what is it called?
DanielleElmas [232]
<h2>Answer: 36-gon (also called triacontakaihexagon) </h2>

Let's start by explaining that a polygon is a closed geometrical figure composed from three or more lines. These lines (sequence of straight segments) are the sides of the polygon, and the points where they intersect are called vertices that form their angles.

It should be noted that its name comes from the Greek word <em>polygōnon</em> (many angles), since the angles (although the sides are used, as well) are those that will define the name the polygon will have.

In this sense, for a polygon that has 36 angles, its name is 36-gon, and formally named as triacontakaihexagon or triacontahexagon (sometimes the Greek word <em>kai</em> that serves as connector, is omitted).

3 0
4 years ago
PLEASE HELP I USED ALL MY POINTS
Nady [450]

Answer:

<em>Well, Your best answer will be is </em><em>B. Good Luck!</em>

5 0
3 years ago
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What are the zeros of the function g(x) = (x + 6) (x – 4)(x + 2) ?
vitfil [10]

9514 1404 393

Answer:

  x in {-6, -2, 4}

Step-by-step explanation:

The zero product rule tells you that a product will be zero if and only if one of the factors is zero. These binomial factors are zero when x has a value that is opposite the constant of the binomial.

  x +6 = 0   ⇒   x = -6

  x -4 = 0   ⇒   x = 4

  x +2 = 0   ⇒   x = -2

The zeros of the function are the x-values -6, -2, and 4.

5 0
3 years ago
He speeds (in MPH) of automobiles traveling in a city are given below:
professor190 [17]

Answer:

Mean speed = 41.3 mph

Step-by-step explanation:

Given that,

The speeds of an automobiles are given below:

20, 35, 42, 52, 65, 49, 24, 37, 23, 41, 50, 58

We need to find the mean speed of the cars.

Mean = sum of observations/ no. of observation

M=\dfrac{20+35+42+52+65+49+24+37+23+41+50+58}{12}\\\\M=41.3

So, the mean speed of the cars is equal to 41.3 mph.

7 0
3 years ago
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