3 years ago

Find the volume of the following square pyramid. 26 cm 20 cm 20 cm

Mathematics

2 answers:

babunello [35]3 years ago

4 0

I think the volume is 3,400

Novosadov [1.4K]3 years ago

3 0

Just look it up on socratic

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These cones are similar. Find the volume

Serga [27]

Answer:

the answer is 44cm3

Step-by-step explanation:

you're welcome

6 0

2 years ago

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Keisha the trainer has two solo workout plans that she offers her clients: Plan A and Plan B. Each client does either one or the

gregori [183]

Answer:

Plan A last 0.75 hours or 45 minutes.

Plan B last 1.5 hours or 90 minutes.

Step-by-step explanation:

Let $a$ be the number of hours that the plan A last, an $b$ the number of hours of plan B. Then for the Wednesday you have:

$2a+3b=6$

And for the Thursday is:

$6a+5b=12$

Multiply the equation of Wednesday by -3:

$-6a-9b=-18$

Using the method of addition using this last equation and the equation of Thursday

$-6a-9b=-18\\6a+5b=12\\--------\\-4b=-6\\b=\frac{-6}{-4}\\b=1.5 hours$

Replacing the value of $b$ in one of the equations

$6a+5b=12\\6a+5(1.5)=12\\6a+7.5=12\\6a=12-7.5\\a=\frac{4.5}{6} \\a=0.75hours$

6 0

3 years ago

Joaquim earns a salary of $4,000 per month plus a 6% commission

Dmitriy789 [7]

I believe this means that Joaquim earns 1.06 times his salary. Thus he earns (4000)(1.06) or $4240

6 0

3 years ago

Which of the following is the maximum value of the equation y = −x2 − x + 6?

Ratling [72]

Step-by-step explanation:

f(x) = y= -x²-x+6

When y is max, f'(x) = 0

f'(x) = -2x-1

Equating to 0,

-2x-1= 0

x= -1/2

Put the value of x in f(x)

y = -(-1/2)² -(-1/2) +6

= -1/4+1/2+6

= 6+1/2

y= 13/2

4 0

2 years ago

What is the missing value in this table (assume a constant rate)

MrMuchimi

The answer should be B.

7 0

3 years ago