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Anon25 [30]
3 years ago
14

Find the missing number according to the associative property (20×5)×11= 20×(11×______)

Mathematics
1 answer:
Ede4ka [16]3 years ago
8 0

<u><em>5 is the missing number according to the associative property is the final answer.  </em></u>

(20*5)=100

100*11=1100

(20*5)*11=20(11*5)

Hope this helps! And thank you for posting your question at here on brainly, and have a great day. -Charlie

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A student wants to save $8000 for college in 5 years. How much should be put into an account that pays 5.2% annual interest comp
Ainat [17]
If compounding annually, the student will need to put $6,208.85 into the account.
7 0
3 years ago
3 = 2 – x 3 = 2 – 2 – x 3 = –x 2003-03-02-00-00_files/i0110000.jpg –3 = x A. The student incorrectly applied the multiplication
rewona [7]
Answer:
B. The student did not properly apply the addition property to isolate x

Explanation:
When given an equation to solve, always remember that when you do an external operation (add/subtract/multiply a term or divide by a term) on one side of the equation, the same operation should be applied on the other side in order to maintain the equality of the equation.

Now, let's take a look on the steps done:
Step 1:
3 = 2 - x
Step 2:
3 = 2 - 2 - x
Step 3:
3 = -x

Now, note n step 2, the student wanted to get rid of the 2 next to the x, therefore, he subtracted 2. However, the student did not subtract the 2 from the other side of the equation. Since we're taking addition (we're adding a -2), therefore, the student incorrectly applied the addition property to isolate the x.

The correct steps would be as follows:
Step 1:
3 = 2 - x
Step 2:
3 - 2 = 2 - 2 - x
Step 3:
1 = - x

Hope this helps :)
5 0
3 years ago
Which of the following have two congruent parallel bases? Check all that apply. A. Cone B. Circle C. None of these D. Cylinder E
koban [17]

Answer: D. cylinder F. prism


Step-by-step explanation:


From the given figures in the options , only cylinder and prism have two congruent parallel bases.

  • A cylinder is a solid figure which has the two congruent parallel bases i.e. circles.
  • A prism is a solid shape that has two parallel congruent sides which are called bases and they are joined by the lateral faces that are parallelograms.

Rest of other options do not have congruent parallel bases.

4 0
2 years ago
Read 2 more answers
Help please:Suppose that x and y inversely, and x=10 when y=8 write the function that models the inverse variation
jarptica [38.1K]

SOLUTION

From the question, we are told that y varies inversely as x

This is mathematically written as

\begin{gathered} y\propto\frac{1}{x} \\ \propto\text{ is a sign of proportionality } \end{gathered}

Now, we will remove the proportionality sign and replace it with equal to sign =

If we do this, we will intoduce a constant k

\begin{gathered} y\propto\frac{1}{x} \\ y=k\times\frac{1}{x} \\ y=\frac{k}{x} \end{gathered}

So we have the formula

y=\frac{k}{x}

We will substitute the values of x for 10 and y for 8 into the formula to get k, we have

\begin{gathered} y=\frac{k}{x} \\ 8=\frac{k}{10} \\ k=8\times10 \\ k=80 \end{gathered}

Now, we will substitute k for 80 back into the formula to get the inverse function, we have

\begin{gathered} y=\frac{k}{x} \\ y=\frac{80}{x} \end{gathered}

Hence the answer is option C

7 0
1 year ago
Theres a picture help please!!!
Goryan [66]
The correct answer is A
5 0
3 years ago
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