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3 years ago

I DARE YOU ALL TO DO THIS OR ESTIMATE THE TIME THIS WILL TAKE

Mathematics

1 answer:

nata0808 [166]3 years ago

5 0

Thank you, you’ll motivate me to work out :)

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Enter the exact product of 5.21 •7.3.

frez [133]

Answer:

3.033

Step-by-step explanation:

5.21*7.3=3.003

6 0

2 years ago

Read 2 more answers

What is the value of y? 54" A. 126° B. 730 C. 63° D. 540

Studentka2010 [4]

Answer: 63 degrees.

Step-by-step explanation:

Angles in a triangle add up to 180 degrees.

Therefore: 54 + y + y = 180

So 54 + 2y = 180

So 2y = 126

Therefore y = 63 degrees.

3 0

3 years ago

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What is the qoutient of -48÷6? A.42 B.8 C.-8 D.-42

maks197457 [2]

Answer:

C. -8

This is the correct answer. Hope this helps :)

4 0

2 years ago

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7+3x-12x=3x+1 is it Infinitely many solutions, one solution, or no solutions with steps please

alisha [4.7K]

Answer:

One solution

Step-by-step explanation:

7 + 3x - 12x = 3x + 1
7 - 9x = 3x + 1
3x + 9x = 7 - 1
12x = 6
x = 6/12
x = 1/2

It has one solution

3 0

3 years ago

Find equation of set of points pieces that its distance from the point 3, 4, -5 and -2, 1, 4 are equal.

Gnesinka [82]

Answer:

Step-by-step explanation:

Suppose we a point $P(x,y,z)$ such that its distance from either the point $A(3,4,-5)$ or $B(-2,1,4)$ is the same.

Using this information we can formula:

distance AP = distance BP

first, let's find the distance from AP, using the distance formula.

$r = \sqrt{(x_1 - x_2)^2 + (y_1 - y_2)^2 + (z_1 - z_2)^2}$

$AP = \sqrt{(3 - x_2)^2 + (4 - y_2)^2 + (-5 - z_2)^2}$

similarly, we can find the distance BP

$BP = \sqrt{(-2 - x_2)^2 + (1 - y_2)^2 + (4 - z_2)^2}$

since both distances are exactly the same we can equate them

$AP = BP$

$\sqrt{(3 - x_2)^2 + (4 - y_2)^2 + (-5 - z_2)^2} = \sqrt{(-2 - x_2)^2 + (1 - y_2)^2 + (4 - z_2)^2}$

we can simplify it a bit squaring both sides, and getting rid of the subscripts.

$(3 - x)^2 + (4 - y)^2 + (-5 - z)^2 = (-2 - x)^2 + (1 - y)^2 + (4 - z)^2$

what we have done here is formulated an equation which consists of any point P that will have the same distance from (3,4,-5) and (-2,1,4).

To put it more concretely,

This is the equation of the the plane from that consists of all points (P) from which the distance from both (3,4,-5) and (-2,1,4) are equal.

3 0

2 years ago