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ra1l [238]
3 years ago
14

Determine the volume of the square pyramid. 12 cm 10 cm 10 cm

Mathematics
1 answer:
Alona [7]3 years ago
6 0
15cm that’s the answer
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What is the slope and y-intercept of the graph?<br><br><br><br> Slope: <br><br><br> y-intercept:
mr Goodwill [35]
Y = 0 + 2

Since it is a horizontal line, the slope is m = 0.

For the y-intercept, the line passes through 2 so therefore, the y-intercept is 2 positive.
6 0
3 years ago
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jane and jill were simplifying the expression (2x2+x) +2(-x2+×) and obtained different answers . who is right and why?​
Romashka [77]

Answer: who ever arrives at the answer x=0/3 =0 is correct

Step-by-step explanation:

Even though I need supporting details from the individual answers of Jane and Jill to pass my own judgment.

Given the expression

(2x²+x) +2(-x²+×)=0

Let's us open the bracket

2x²+x-2x²+2x=0

Collecting like terms

2x²-2x²+x+2x=0

3x=0

x=0/3

x=0

4 0
3 years ago
PLEASE HELP!!!!!!!!!!!
garik1379 [7]

First convert the hours to minutes

1hr = 60mins

15hrs = 15 \times 60mins

= 900minutes

now change the 900mins to seconds

as

1mins = 60sec

900mins = 900 \times 60sec

4 0
3 years ago
Factor −5<br> out of −10a−25
kap26 [50]

Answer:

-5(2a+5)

Step-by-step explanation:

Just divide all the numbers by -5, slap a parentheses on and your done.

3 0
3 years ago
Solve the system of Equation (x,y)<br> - 4x + y = 9<br> x – 3y = -6
Margarita [4]

Answer:

(-\frac{21}{11},\frac{15}{11})

Step-by-step explanation:

Given:

- 4x+y =9\\ x-3y = -6

Express y in terms x of using the first equation.

-4x+y=9\\y=4x+9

Now, plug in the above value in second equation and solve for x.

This gives,

x-3y = -6\\x-3(4x+9)=-6\\x-12x-27=-6\\-11x-27=-6\\-11x=-6+27\\-11x=21\\x=\frac{21}{-11}=-\frac{21}{11}

Now, plug in x value and solve for y. This gives,

y=4x+9=4(-\frac{21}{11})+9=-\frac{84}{11}+\frac{99}{11}=\frac{-84+99}{11}=\frac{15}{11}

Therefore, the solution is (-\frac{21}{11},\frac{15}{11})

3 0
3 years ago
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