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svet-max [94.6K]
4 years ago
5

Write a comparison problem you can solve using addition and subtraction describe how the information in the bar model is related

to the problem
Mathematics
1 answer:
ki77a [65]4 years ago
3 0
It'd be helpful if you posted a picture of the bar model so we can actually help you lol
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Simplify the radical
mamaluj [8]

Answer:

9d^3

Step-by-step explanation:

~~~\sqrt{81 d^6}\\\\=\left(81 d^6 \right)^{\tfrac 12}\\\\=\left(81\right)^{\tfrac 12} \cdot \left(d^6 \right)^{\tfrac 12}\\\\=\left(9^2 \right)^{\tfrac 12} \cdot d^{\tfrac 62}\\\\=9d^3

4 0
2 years ago
A die is rolled twice. What is the probability of showing a 1 on the first roll and an even number on the second roll?
Ivan

Answer:

1/12

Step-by-step explanation:

Okay, so this will be a compound probability question because there are two parts to the question.

Firstly, a die has 6 sides, and there is only one chance of getting a 1, so the probability would be 1/6.

Furthermore, there are 3 different even numbers on a 6-sided die, so that is 3/6, which can be simplified to 1/2.

Now, because this is a compound probability, we have to multiply 1/2 and 1/6 together, which would give us our answer of 1/12.

6 0
3 years ago
Read 2 more answers
Simplify each expression<br> 1.) (7+x) + 7x<br><br><br><br> Pls show your work
Papessa [141]
The answer is 14x.

You always have to do whats in the parenthesis first. In this case you would do 7 + x = 7x. Then, you add this 7x to the other 7 x. 7x+7x=14x.
8 0
3 years ago
Consider a cylinder with radius 4 cm and a height of 12 cm. Describe how to calculate the volume of the given cylinder and what
Talja [164]

\bf \textit{volume of a cylinder}\\\\ V=\pi r^2 h~~ \begin{cases} r=radius\\ h=height\\ -----\\ r=\stackrel{cm}{4}\\ h=\stackrel{cm}{12} \end{cases}\implies V=\pi (4)^2(12)\implies V=192\pi~cm^3


192π is about 603.19 cm³.


well, it means if you grab a hmmmm cube, say that is 1cm x 1cm x 1cm, namely a 1cm tall, 1cm wide and 1cm long, whose value is 1cm³, you can fit 603.19 of those in that cylinder.

5 0
3 years ago
-1+7n
JulijaS [17]
<span>-1+7n 
A. Quadratic monomial
B. Quadratic trinomial
C. Linear binomial
D. fifth degree binomial
E. none
</span>
The correct answer is:

C. Linear binomial

Linear binomial<span> is a polynomial of the first degree: ax+ b. If to divide a polynomial, containing a letter x, by a </span>linear binomial<span> x – b, where b is a number ( positive or negative ), then a remainder will be a polynomial only of zero degree, i.e. some number N , which can be found without finding a quotient.</span>
6 0
3 years ago
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