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Lorico [155]
3 years ago
15

Describe how making a list that can help you solve a math problem. write a problem that could be solved by making a list

Mathematics
1 answer:
ratelena [41]3 years ago
8 0
Making a list can help you solve a math problem because it shows you the information you will be using.

Sally is 13 years old. Sally's brother Mark is twice as old as Sally. Sally's older sister Daffy is the sum of Sally and Mark's age. How old is Daffy?

making a list in this question tells you all of the different ages and lists them out in a row.
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What is 2x times x squared?
tresset_1 [31]

We want to multiply the monomial 2x by the monomial 2x^2.

Remember that to multiply monomials we need to use the laws of exponents; in this case, the law for multiplying powers with the same base. The rule says that, when you multiply powers of the same base, you just need to add the exponents: (a^m)(a^n)=a^{m+n}, (x^2)(x^4)=x^{2+4}=x^6. Also, is worth pointing out that the exponent of a variable with no exponent is 1: x=x^1.

Remember that we also need to multiply their coefficients , which are the numbers that multiply the variables; again, variables with no numbers have a coefficient of 1, so x=1x. Multiply coefficients is easy, you just need to multiply them as you usually do with everyday numbers.

Let's apply all of that to our multiplication:

(2x)(x^2)=(2x^1)(1x^2)=2*1x^{1+2}=2x^3

We can conclude that 2x times x squared is 2x cubed.



3 0
3 years ago
Read 2 more answers
In a right triangle ,one acute angle measure 39, what is measure of the other acute angle?
LUCKY_DIMON [66]
C, 51 because acute angles are less than 90° but together the angles create a right triangle which is 90°.
3 0
3 years ago
Read 2 more answers
Does anyone Know what y = 1.6x + 48?
mel-nik [20]

Answer:

49.6 is what y is equal to

Step-by-step explanation

6 0
3 years ago
The selling price of a shirt before sales tax 10$.the finial price of a shirt including sales tax is 12.5 .what is the rate of t
maw [93]
$11.25 because 10 times 1.125 is equal to 11.25
7 0
3 years ago
given the midpoint of segment KL is M (1, -1) and L (8 ,-7) what are the coordinates of the other endpoint K
andrey2020 [161]

The answer is (-6, 5) for K.

In order to find this, we must first note that to find a midpoint we need to take the average of the endpoints. To do this we add them together and then divide by 2. So, using that, we can write a formula and solve for each part of the k coordinates. We'll start with just x values.

(Kx + Lx)/2 = Mx

(Kx + 8)/2 = 1

Kx + 8 = 2

Kx = -6

And now we do the same thing for y values

(Ky + Ly)/2 = My

(Ky + -7)/2 = -1

Ky + -7 = -2

Ky = 5

This gives us the final point of (-6, 5)

7 0
3 years ago
Read 2 more answers
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