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hammer [34]
3 years ago
6

I’ll mark brainlist the first personify gets it

Mathematics
1 answer:
Tomtit [17]3 years ago
8 0

I am going to assume 10.42 is 10 minutes 42 secons.

10 min * 60 seconds / per minute, = 600 seconds

600 + 42 = 642 seconds starting

-

8 min * 60 seconds / per minute, = 480 seconds objective

To solve for how long this will take set up an equation,

642 - 1.6t = 480

162 = 1.6t

t = 101.25 days

Since time has a decial, it needs to be rounded up in order for her to be fully below 8 minutes.

Therefore the answer is 102 days.

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Frick and frack are surveying the times it takes students to arrive at school from home. There are 2 main groups of commuters wh
noname [10]

Answer:

900

Step-by-step explanation:

divide 4

6 0
3 years ago
Answer both questions!
vodomira [7]
<span>1) What is the equation for the line?
</span>slope = 16/2 = 8

answer
equation 
y = 8x

<span>2) What is the equation of a line with a slope of ​3​ and a point (3, 1) on the line?

Express the equation in the form of y=mx+b where m is the slope and b is the y-intercept.


y - 1 = 3(x - 3)
y - 1 = 3x - 9
y = 3x - 8

answer
</span>y = 3x - 8
3 0
3 years ago
XY is a diameter of a circle and Z is a point on the circle such that ZY=6. If the area of the triangle XYZ is 18 square root 3
nataly862011 [7]
<h2>Answer:</h2>

4π

<h2>Step-by-step explanation:</h2>

As shown in the diagram, triangle XYZ is a right triangle. Therefore, its area (A) is given by:

A = \frac{1}{2} x b x h      -------------(i)

Where;

A = 18\sqrt{3}

b = XZ = base of the triangle

h = YZ = height of the triangle = 6

<em>Substitute these values into equation(i) and solve as follows:</em>

18\sqrt{3} =  \frac{1}{2} x b x 6

18\sqrt{3} =  3b

<em>Divide through by 3</em>

6\sqrt{3} =  b

Therefore, b = XZ = 6\sqrt{3}

<em>Now, assume that the circle is centered at O;</em>

Triangle XOZ is isosceles, therefore the following are true;

(i) |OZ| = |OX|

(ii) XZO = ZXO = 30°

(iii) XOZ + XZO + ZXO = 180°   [sum of angles in a triangle]

=>  XOZ + 30° + 30° = 180°

=>  XOZ + 60° = 180°

=>  XOZ = 180° - 60°

=>  XOZ = 120°

Therefore we can calculate the radius |OZ| of the circle using sine rule as follows;

\frac{sin|XOZ|}{XZ} = \frac{sin|ZXO|}{OZ}

\frac{sin120}{6\sqrt{3} } = \frac{sin 30}{OZ}

\frac{\sqrt{3} /2}{6\sqrt{3} } = \frac{1/2}{|OZ|}

\frac{1}{12}  = \frac{1}{2|OZ|}

\frac{1}{6} = \frac{1}{|OZ|}

|OZ| = 6

The radius of the circle is therefore 6.

<em>Now, let's calculate the length of the arc XZ</em>

The length(L) of an arc is given by;

L = θ / 360 x 2 π r          ------------------(ii)

Where;

θ = angle subtended by the arc at the center.

r = radius of the circle.

In our case,

θ = ZOX = 120°

r = |OZ| = 6

Substitute these values into equation (ii) as follows;

L = 120/360 x 2π x 6

L = 4π

Therefore the length of the arc XZ is 4π

5 0
2 years ago
CAN SOMEONE HELP ME WITH THISSSS
Semmy [17]

Answer:

no i cannot

Step-by-step explanation:

4 0
2 years ago
I will give brainliest. I need help ASAP.
Tamiku [17]

Answer:

\I got not answer cause im da BUDDHA

But gimme brainliest squekky plssss

4 0
2 years ago
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