Im confused on how to do this can someone explain???

Mathematics

1 answer:

sesenic [268]3 years ago

3 0

Answer: you add them all up

Step-by-step explanation: you can get the answer from above and dont trust this answer.

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Debora [2.8K]

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Step-by-step explanation:

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3 years ago

I am thinking of two numbers. The sum of the two is 10 and the difference is 2

mixer [17]

Answer:

4 and 6

Step-by-step explanation:

First, let's find all the pairs that add up to 10.

1 + 9, 2 + 8, 3 + 7, 4 + 6, and 5 + 5

Next, we find the difference between the addends for each pair.

9 - 1 = 8
8 - 2 = 6
7 - 3 = 4
6 - 4 = 2
5 - 5 = 0

As you can, see the numbers that add to 10 and have a different of 2 is 4 and 6.

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2 years ago

What is the value of cos x°?

PolarNik [594]

Answer:

We know,

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.....Hope this helps:)

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2 years ago

How do you solve quadratics by factoring??

stealth61 [152]

Answer:

https://www.lessonplanet.com/teachers/factoring-and-solving-quadratics-by-factoring?msclkid=d23ce8d1fcfe1c7155d4b5147d5d97ff&utm_source=bing&utm_medium=cpc&utm_campaign=DSA%20-%202019%20(WS)&utm_term=lessonplanet&utm_content=All%20Webpages

Step-by-step explanation:

there is our answer

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4 years ago

Prove that DJKL~ DJMN using SAS Similarity Theorem. Plot the points J (1,1), K(2,3), L(4,1) and J (1,1), M(3,5), N(7,1). Draw DJ

dolphi86 [110]

Answer and Step-by-step explanation: The triangles are plotted and shown in the attachment.

SAS Similarity Theorem is by definition: if two sides in one triangle are proportional to two sides of another triangle and the angles formed by those sides in each triangle is congruent, the triangles are similar.

For the triangles on the grid, we know that ΔJKL and ΔJMN have a congruent angle in J as shown in the image. To prove they are similar, we find the slope of sides KL and MN:

Slope of KL:

slope = $\frac{y_{K} - y_{L} }{x_{K} - x_{L} }$