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3 years ago

Round each decimals to the nearest whole number 6.7

Mathematics

2 answers:

ss7ja [257]3 years ago

5 0

7.0 thats your answer if its wrong pls dont hate me

malfutka [58]3 years ago

3 0

When you're rounding it to the nearest whole number or to the ones, it will be 7 or 7.0

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Find the volume of a pyramid with a square base, where the perimeter of the base is

grigory [225]

Answer:

90.3125 cm³

Step-by-step explanation:

Since the perimeter of the bottom square is 17, you can divide by four to find out what the lenght of each side is.

17/4=4.25 cm

We know the height of pyramid is 15 cm

The formula for the volume of a square pyramid is

V=a²(h/3)

V=a2(h/3)=4.252·15/3=90.3125 cm³

8 0

3 years ago

45 Points, Question 2 In Attachment. Asap if possible.

Masja [62]

Answer: x = $\frac{-5}{2}$

Step-by-step explanation:

$3^{4x-5}$ = $(\frac{1}{27}) ^{2x+10}$

1/27 can be written in index form as $3^{-3}$

The equation then becomes:

$3^{4x-5}$ = $(3^{-3})^{2x+10}$

Equating the coefficient

4x - 5 = -3 ( 2x + 10)

4x - 5 = -6x - 30

10x = -30 + 5

10x = -25

x = -25/10

x = -5/2

x = - 2.5

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3 years ago

2x +(3y+8z)=(2x+3y)+8z an example of which property?

lyudmila [28]

C. Associative Property

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3 years ago

I need help please Will mark brainliest

natima [27]

Answer:

which ones do you need answered

Step-by-step explanation:

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3 years ago

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Ad libitum [116K]

I hope this is the right answer and if it's not then my apologies.

And sorry it took so long.

3 0

3 years ago