Hi I need help plssssssss

Mathematics

1 answer:

marin [14]2 years ago

5 0

9 is the value of each side. There are 7 sides so 63 divided by 7 is 9.

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4. At Lilly's Bakery, the ideal weight of a loaf of bread is 24 ounces. By law, the actual weight can vary from

Fantom [35]

It can be 25.5 to 22.5

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3 years ago

Write an equation that is perpendicular to and 3x+y=3 whose y-intercept 5. Anyone please help me, no link just explain how to do

Liula [17]

Answer:

$y = \frac{1}{3}x + 5$

Step-by-step explanation:

By definition, two lines are perpendicular if and only if their slopes are negative reciprocals of each other: $m = - \frac{1}{m_{2} }$ , or equivalently, $m_{1} * m_{2} = -1$ .

Given our linear equation 3x + y = 3 (or y = -3x + 3):

We can find the equation of the line (with a y-intercept of 5) that is perpendicular to y = -3x + 3 by determining the negative reciprocal of its slope, -3, which is $\frac{1}{3}$ .

To test whether this is correct, we can take first slope, $m_{1} = -3$ , and multiply it with the negative reciprocal slope $m_{2} = \frac{1}{3}$ :

$m_{1} * m_{2} = -1$

$-3 * \frac{1}{3} = -1$

Therefore, we came up with the correct slope for the other line, which is $\frac{1}{3}$ .

Finally, the y-intercept is given by (0, 5). Therefore, the equation of the line that is perpendicular to 3x + y = 3 is:

$y = \frac{1}{3}x + 5$

7 0

2 years ago

10x + 7y=1<br> -5x-7y=24

nikitadnepr [17]

Okay, so since both y values share the same number, let's add both equations so the y values cancel out leaving us to solve for x.

10x+(-5x)=5x

7y+(-7y)=0

1+24=25

Now we have 5x=25

divide both sides by 5 and we have x=5

Now that we know x=5, we can plug it into one of the problems to find y.

Let's do 10(5) +7y=1

50+7y=1 subtract 5 and we get 7y=-49

divide -7 from both sides and we get y=-7

so there you have it x=5 and y=-7

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2 years ago

(-13,4),(7,-15),(-13,9)(6,-12),(-18,0)state whether each set of ordered pairs represents a function

svetoff [14.1K]

It doesn’t represent a function, since in a function- the x values can’t repeat,

In (-13,4) and (-13,9) the x values are the same.

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2 years ago

Solve for a 59>2a+59>43

Jet001 [13]

$59\geq2a+59 > 43\qquad|-59\\\\0\geq2a > -16\qquad|:2\\\\0\geq a > -8$