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3 years ago

8.

Mathematics

2 answers:

adoni [48]3 years ago

5 0

Answer:

The correct answer is 748.72

Step-by-step explanation:

mihalych1998 [28]3 years ago

4 0

Answer

Secured

Step-by-step explanation:

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Runners in the half marathon entered in three waves. There were 341 runners in the first wave, 295 runners in the second wave, a

Natasha_Volkova [10]

190 runners would not have finished the race.

If you add up all the waves, there were 952 total runners.

If 7/8 finished the race, then that means that 1/8 did not finish the race.

Just multiply 1/8 by 952 to get the amount that did not finish.
It would be 190.

6 0

3 years ago

Add: (3x^2 - 2x^2 - 6x) + (3x^2 - 5x + 3)

Elina [12.6K]

Answer:

Answer is -6

Hence -6....

4 0

2 years ago

I need help with 6 and 10

Archy [21]

Do both as equation it will make it easier for her

7 0

2 years ago

Read 2 more answers

For which value of x is the equation 4x + 24 = 8x + 2x true?

Paha777 [63]

Answer:

x=4

Step-by-step explanation:

4x+24=8x+2x

4x+24=10x

-4x -4x

24=6x

/6 /6

x=4

3 0

3 years ago

A triangle has an angle that measures 10°. The other two angles are in a ratio of 3:14. What

ivann1987 [24]

Step-by-step explanation:

We have to find the measures of other two angles of triangle.

$\red{\frak{Given}} \begin{cases} & \sf{The\ measure\ of\ one\ angle\ of\ traingle\ is\ {\pmb{\sf{10^{\circ}}}}.} \\ & \sf{The\ other\ two\ angles\ are\ in\ the\ ratio\ of\ {\pmb{\sf{3\ :\ 14}}}.} \end{cases}$

We know that,

The other two angles of triangle are in the ratio of 3 : 14. So, let us consider the other two angles of the triangle be 3x and 14x.

Angle sum property,

The angle sum property of triangle states that the sum of interior angles of triangle is 180°. By using this property, we'll find the other two angles of the triangle.

$\rule{200}{3}$

$\sf \dashrightarrow {10^{\circ}\ +\ 3x\ +\ 14x\ =\ 180^{\circ}} \\ \\ \\ \sf \dashrightarrow {10^{\circ}\ +\ 17x\ =\ 180^{\circ}} \\ \\ \\ \sf \dashrightarrow {17x\ =\ 180^{\circ}\ -\ 10^{\circ}} \\ \\ \\ \sf \dashrightarrow {17x\ =\ 170^{\circ}} \\ \\ \\ \sf \dashrightarrow {x\ =\ \dfrac{\cancel{170^{\circ}}}{\cancel{17}}} \\ \\ \\ \dashrightarrow {\underbrace{\boxed{\pink{\frak{x\ =\ 10^{\circ}.}}}}_{\sf \blue {\tiny{Value\ of\ x}}}}$

∴ Hence, the value of x is 10°. Now, let us find out the other two angles of the triangle.

$\rule{200}{3}$

Second AnglE :

3x
3 × 10
30°

∴ Hence, the measure of the second angle of triangle is 30°. Now, let us find out the third angle of triangle.

$\rule{200}{3}$

Third AnglE :

14x
14 × 10
140°

∴ Hence, the measure of the third angle of the triangle is 140°.

5 0

2 years ago