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4 years ago

7

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1 answer:

liraira [26]4 years ago

8 0

A right triangle can also be an isosceles triangle.

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Estimate the sum of 54,249 + 378,819 by first rounding each number to the nearest ten thousand.

Rus_ich [418]

54,000 + 379,000 = 233,000

3 0

4 years ago

How many solutions are there

Mekhanik [1.2K]

C is the answer lolll

8 0

4 years ago

Which expression is equivalent to x^-5/3

goblinko [34]

Answer:

c

Step-by-step explanation:

with a fractional exponent, the denominator becomes the root number. so we need a root of 3, which only b and c have.

between those two, b has no negative present whereas c does. since the original exponent was -5/3 we know our answer should have one.

thus c is our answer.

3 0

3 years ago

My brain is lagging:<

Lubov Fominskaja [6]

Distance between two points $(-3, 4)$ and $(5, -2)$ is $10$ units.

Mid-point of the line segment joining $(-1, -5)$ and $(7, 1)$ is $(3, -2)$ .

Degree of the given polynomial is $7$ .

6) Distance between two points $(x_1, y_1)$ and $(x_2, y_2)$ is:

$\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

So, distance between two points $(-3, 4)$ and $(5, -2)$ is:

$=\sqrt{(5-(-3))^2+(-2-4)^2}$

$=\sqrt{(8)^2+(-6)^2}$

$=\sqrt{64+36}$

$=\sqrt{100}$

$=10$

So, option D is correct.

7) Mid-point of the line segment joining $(x_1, y_1)$ and $(x_2, y_2)$ is:

$(\frac{x_1+x_2}{2}, \frac{y_1+y_2}{2})$

Mid-point of the line segment joining $(-1, -5)$ and $(7, 1)$ is:

$(\frac{-1+7}{2}, \frac{-5+1}{2})$

$= (\frac{6}{2}, \frac{-4}{2})$

$= (3, -2)$

So, option A is correct.

8) Degree of a polynomial is the highest power of the variable in the polynomial.

$f(x)=3x^2-7x^4+9x^7+2x^3$

Here, the highest power of the variable is $7$ .

So, option B is correct.

Learn more about distance formula, mid point formula, and degree of polynomial.

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8 0

2 years ago

√50 as a mixed radical!

Hoochie [10]

Answer:

5sqrt(2)

Step-by-step explanation:

you can split 50 into sqrt(25×2)

and the sqrt(25) is 5, so than your left with just the 2 in the sqrt.

5 0

4 years ago