3 years ago

I need help on these 2 questions pls.

Mathematics

1 answer:

Varvara68 [4.7K]3 years ago

5 0

1 ) 112
2) 672

hope I helped

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A right rectangular prism has a length of five centimeters a width of eight centimeters and a height of 4 cm what is the volume

lukranit [14]

Answer:

V=160cm^3

Step-by-step explanation:

V=lhw

V=5•4•8

V=20•8

V=160cm^3

^-^ your welcome

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4 years ago

How can I solve this ?

Nostrana [21]

Multiply 2,500 by 1.50 which is B.

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3 years ago

Read 2 more answers

What values of c and d make the equation true?

saul85 [17]

Answer:

Third option.

Step-by-step explanation:

You need to cube both sides of the equation. Remember the Power of a power property:

$(a^m)^n=a^{mn$

$\sqrt[3]{162x^cy^5}=3x^2y(\sqrt[3]{6y^d})\\\\(\sqrt[3]{162x^cy^5})^3=(3x^2y(\sqrt[3]{6y^d}))^3\\\\162x^cy^5=27x^6y^36y^d$

According to the Product of powers property:

$(a^m)(a^n)=a^{(m+n)$

Then. simplifying you get:

$162x^cy^5=162x^6y^{(3+d)}$

Now you need to compare the exponents. You can observe that the exponent of "x" on the right side is 6, then the exponent of "x" on the left side must be 6. Therefore:

$c=6$

You can notice that the exponent of "y" on the left side is 5, then the exponent of "x" on the left side must be 5 too. Therefore "d" is:

$3+d=5\\d=5-3\\d=2$

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4 years ago

What is the value of the expression iº xixi ? x 13 x 147

icang [17]

Answer:

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Step-by-step explanation:

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ss7ja [257]

Answer:

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Step-by-step explanation:

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