2 years ago

Just like last time, points A, B, and C are collinear where A is between B and C. AB

Mathematics

1 answer:

kicyunya [14]2 years ago

6 0

Not sure to be honest sorry very sorry

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Answer both questions if u cant see all the answers it don't matter all u need is the question

babymother [125]

First one is 7.73 (23.19/3)
Second one is 14.04 ((19.71/7.3) x 5.2)

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2 years ago

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Write an equation for an ellipse centered at the origin, which has foci at (0,\pm\sqrt{63})(0,± 63 )left parenthesis, 0, comma

steposvetlana [31]

Answer:

$\frac{x^{2} }{4312 } + \frac{y^{2} }{8281 }$

Step-by-step explanation:

Since the foci are at(0,±c) = (0,±63) and vertices (0,±a) = (0,±91), the major axis is the y- axis. So, we have the equation in the form (with center at the origin) $\frac{x^{2} }{b^{2} } + \frac{y^{2} }{a^{2} }$ .

We find the co-vertices b from b = ±√(a² - c²) where a = 91 and c = 63

b = ±√(a² - c²)

= ±√(91² - 63²)

= ±√(8281 - 3969)

= ±√4312

= ±14√22

So the equation is

$\frac{x^{2} }{(14\sqrt{22}) ^{2} } + \frac{y^{2} }{91^{2} } = \frac{x^{2} }{4312 } + \frac{y^{2} }{8281 }$

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3 years ago

A line passes through the point (3,1) and has a slope of 2. what is the y-intercept?

Valentin [98]

The y intercept would be -5

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2 years ago

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What number solves the equation x + 7.4 =11.2

Sunny_sXe [5.5K]

The value of x is 3.8

Solution:

Given equation is:

$x + 7.4 = 11.2$

We have to solve the equation for "x"

Move the terms so that you end up with only terms involving x on one side of the sign and all the numbers on the other

Therefore, we get

x + 7.4 = 11.2

When we move 7.4 from left side to right side of equation it becomes -7.4

x = 11.2 - 7.4

Subtract 7.4 from 11.2

x = 3.8

Thus value of x is 3.8

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2 years ago

What???????? i dant undersatnd this 70 # of what number is 35

Trava [24]

The correct answer is 50

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3 years ago