3 years ago

The sum of three times a number x and nine"

Mathematics

1 answer:

ira [324]3 years ago

6 0

Answer:

3x+9

Step-by-step explanation:

you are multiplying 3 and x because it says "three times a number x" which means 3x and you are adding it to 9 which is 3x+9.

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A rectangular prism has a length of 734 inches, a width of 312 inches, and a height of 6 inches. Mario has a storage container f

fredd [130]

Answer: $27.6\ in.^3$

Step-by-step explanation:

Given

Length of Prism is $l= 7.34\ in.$

The width of Prism is $w=3.12\ in.$

The height of Prism is $h=6\ in.$

The volume of a The height rectangular prism is given as

$V=l\times w\times h$

Substituting values we get

$\Rightarrow V=7.34\times 3.12\times 6=137.404\ in.^3$

Volume of storage $V_s=165\ in.^3$

The difference in volume is

$\Rightarrow 165-137.404=27.59\approx 27.6\ in.^3$

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3 years ago

Which of the following equations has no solution?

soldier1979 [14.2K]

Answer:

B. 3x+5−4x=−(x+8)

Step-by-step explanation:pls mark me

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3 years ago

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28 squared minus 39x minus 80 equals 0

Rudik [331]

Answer:

x = 704/39 ( <----Fraction)

Step-by-step explanation:

28 squared minus 39x minus 80 equals 0

784-39x-80=0 evaluate the power

704-39x=0 Subtract the numbers

-39x=-704 move the constant to the right hand side and change it's sign

Divide on both side to get x = 704/39

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3 years ago

<img src="https://tex.z-dn.net/?f=%20-%202%20%5Cleqslant%20x%20-%203%20%3C%204" id="TexFormula1" title=" - 2 \leqslant x - 3 &lt

Stella [2.4K]

Answer:

1 ≤ x < 7

Step-by-step explanation:

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3 years ago

$150 as a percentage of $500

saveliy_v [14]

I think the answer is 30

Because I did 150÷500×100

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4 years ago

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