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lys-0071 [83]
3 years ago
13

What the of x is in 3x+5=12

Mathematics
2 answers:
lora16 [44]3 years ago
6 0

Answer: 2.333

Step-by-step explanation:

Subtract 5 from both sides of equation

Divide each side of equation by 3

Eva8 [605]3 years ago
3 0
<h2><u>Given</u> :-</h2>

\to\sf 3x + 5 = 12

<h2><u>To Find</u> :-</h2>

\to\sf Value \:  of  \: \boxed{\bf x}

<h2><u>Solution</u> :-</h2>

:\implies\sf 3x + 5 = 12

:\implies\sf 3x = 12 - 5

:\implies\sf 3x = 7

:\implies\sf x = \frac{\cancel7}{\cancel3}

:\implies\sf x = 2\frac{1}{3}

Hence, the value of x is \bf 2\frac{1}{3}

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Jenny used plastic cone shaped cups to serve punch. The cups were 6 inches in diameter and inches tall. What was the volume of e
Volgvan

Answer:

47.14 in³

Step-by-step explanation:

Here is the complete question

Jenny used plastic cone shaped cups to serve punch. The cups were 6 inches in diameter and 5 inches tall. What was the volume of each cup?

Volume of a cone = \frac{1}{3}πr²h

π = 22/7

Radius = diameter / 2 = 6 /2 = 3 inches

(1/3) x (3^2) x (22/7) x 5  = 47.14 in³

5 0
3 years ago
What is the answer<br> 5–4÷2?
tangare [24]

First, you divide 4 by 2 before you subtract them by 5 using BODMAS, or BIDMAS.

4 ÷ 2 = 2

5 - 2 = 3

3 is your answer

7 0
3 years ago
Read 2 more answers
What does this app do?
Nuetrik [128]

This app is used for asking questions. Most questions will be answered while other may take a little bit more time. Hope this helps :)

7 0
3 years ago
Read 2 more answers
) a pair of fair dice is rolled. what is the probability that the sum of the top faces is a number 10 or greater?
andrezito [222]
Possible number combinations are 1,1  2,1  3,1  4,1  5,1  6,1  1,2  2,2  3,2  4,2  5,2  6,2  1,3  2,3  3,3  4,3  5,3  6,3  1,4  2,4  3,4  4,4  5,4  6,4  1,5  2,5  3,5  4,5  5,5  6,5  1,6  2,6  3,6  4,6  5,6 and 6,6. of those 36 number combinations the ones that add up to more than 10 include: 4,6  5,5  5,6  6,4  6,5  6,6. thats 6 number combinations. 6/36 of the possible sums of the top faces equal out to 10 or more. 6/36=1/6=0.166666666666666666666666(repeating) and to put that in a percentage, 16.7%
the probability is 16.7%
Hope this helps.
5 0
3 years ago
Pls answer this i need help
Vitek1552 [10]

Step-by-step explanation:

your don't see what went wrong ?

Tyrell worked on

16 - 2(4 + 3x)

what do brackets mean ? they mean that this operation has to be done before everything else in the expression.

as this contains a variable, we cannot fully calculate it, true, but we need to keep this in mind and always treat the content of the brackets as one package.

so, whatever I do from the outside with one part of that package, I have to do also with all the other parts of that package.

so, the multiplication with -2 has to happen with both : 4 and 3x. not just with 4.

therefore, the correct simplification looks like

16 - 8 - 6x

8 - 6x or -6x + 8

Amelia multiplied correctly, but then made a mistake summing things up

10x - 3(4x + 1)

10x - 12x - 3

10x - 12x = -2x

I can't mix the pure constant -3 into the factors of x. that would be like the famous mixing of apples and oranges.

so, the result is

-2x - 3

6 0
3 years ago
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