2 years ago

Which Shows How To Find 5 x 83 Mentally By Using The Distributive Property?

Mathematics

1 answer:

Alex17521 [72]2 years ago

5 0

It would BD because it’s easy and I like

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A region R in the xy-plane is given. Find equations for a transformation T that maps a rectangular region S in the uv-plane onto

Gre4nikov [31]

$\begin{cases}y=2x-2\\y=2x+2\end{cases}\implies\begin{cases}-2x+y=-2\\-2x+y=2\end{cases}$

For these lines, let $u=-2x+y$ .

$\begin{cases}y=2-x\\y=4-x\end{cases}\implies\begin{cases}x+y=2\\x+y=4\end{cases}$

And for these, let $v=x+y$ .

Now,

$\begin{cases}u=-2x+y\\v=x+y\end{cases}\implies \begin{bmatrix}u\\v\end{bmatrix}=\underbrace{\begin{bmatrix}-2&1\\1&1\end{bmatrix}}_{\mathbf T}\begin{bmatrix}x\\y\end{bmatrix}$

The vertices of $S$ in the x-y plane are (0, 2), (2/3, 10/3), (2, 2), and (4/3, 2/3). Applying $\mathbf T$ to each of these yields, respectively, (2, 2), (2, 4), (-2, 4), and (-2, 2), which are the vertices of a rectangle whose sides are parallel to the u-v plane.

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2 years ago

You are having a pizza-making party. You will need 6 ounces of dough and 4 ounces of sauce for each person at the party (includi

Tcecarenko [31]

Answer:

78 ounces of dough

52 ounces of sauce

12 guests are coming (not including you)

Step-by-step explanation:

13x6=78

13x4=52

78+52=130 ounces

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1 year ago

Nora and Mindy are going to a movie. Mindy forgot her money and is going to pay Nora back later. The cost of the two tickets is

Agata [3.3K]

Answer:

$9.62

Step-by-step explanation:

15.50 + 3.74 = 19.24

19.24 / 2 = 9.62

so Mindy must pay Nora $9.62

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2 years ago

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The population of New York City is 8 million people. Buddy is only one person living in New York. What is this number as a decim

34kurt

Hello there! To find numbers in decimal form, you divide. In this case, you divide 1 by 8 million. When you do, you get 0.000000125 as a decimal or one hundred twenty-five billionths in word form.

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2 years ago

There are 8 sophomores on the academic team. At the last competition, they each took the math test. Their scores were 82%,

AysviL [449]

Answer:

79%

Step-by-step explanation:

median is the middle no.

arrange the scores in descending order

72,74,76,(78,80),82,92,92

78+80, divide 2= 79%

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2 years ago

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