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Snezhnost [94]
3 years ago
15

Is 3.1× 2×9=3.1×2×9 associativr property

Mathematics
1 answer:
prohojiy [21]3 years ago
4 0
They are the exact same, so no.
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Please help Math answers
Sunny_sXe [5.5K]

Answer:

on example 1, both are right triangles.

8 0
3 years ago
Sebastian solved the radical equation y + 1 = but did not check his solution. (y + 1)2 = y2 + 2y + 1 = –2y – 3 y2 + 4y + 4 = 0 (
Softa [21]

Answer:

There are no true solutions to the equation.

Step-by-step explanation:

<u><em>The correct equation is</em></u>

y+1=\sqrt{-2y-3}

Solve for y

squared both sides

(y+1)^2=(-2y-3)

(y^2+2y+1)=(-2y-3)

y^2+2y+1+2y+3=0

y^2+4y+4=0

(y+2)(y+2)=0

y=-2

<em>Verify</em>

substitute the value of y in the original expression

-2+1=\sqrt{-2(-2)-3}

-1=1 ----> is not true

therefore

There are no true solutions to the equation.

4 0
3 years ago
HELPPP Put the steps to solving the equation in the correct order<br> 3 (x + 5) – 6x = -18
Neporo4naja [7]

Answer:

Its the last one I beleive not sure

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Samantha drives 2,100 miles each week how many miles does she drive in 4 weeks​
adelina 88 [10]

Answer:8,400 miles

Step-by-step explanation: You would do 2,100•4 because you are driving 2,100 miles a week and there are 4 weeks you would have to times the amount of miles by how many weeks

6 0
3 years ago
Read 2 more answers
1. In how many ways can a committee of eight people to be formed from a group of 6 male, 5 female and 4 students if there are no
NeX [460]

Answer:

The number of ways is 6435

Step-by-step explanation:

Given

Male = 6

Female = 5

Students = 4

Required

Number of ways a group of 8 can be formed

Here, I'll assume each category of people are distinct:

Hence;

Total = Male + Female + Students

Total = 6 + 5 + 4

Total = 15

Number of ways is then calculated as follows:

^nC_r = \frac{n!}{(n - r)!r!}

Where

n = 15\ and\ r = 8

So, we have:

^{15}C_8 = \frac{15!}{(15 - 8)!8!}

^{15}C_8 = \frac{15!}{7! * 8!}

^{15}C_8 = \frac{15 * 14 * 13 * 12 * 11 * 10 * 9 * 8!}{7!8!}

^{15}C_8 = \frac{15 * 14 * 13 * 12 * 11 * 10 * 9}{7!}

^{15}C_8 = \frac{15 * 14 * 13 * 12 * 11 * 10 * 9}{7 * 6 *5 * 4 * 3 * 2 * 1}

^{15}C_8 = \frac{32432400}{5040}

^{15}C_8 = 6435

<em>Hence, the number of ways is 6435</em>

7 0
3 years ago
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