Hola, ¿cómo está tu día?

Mathematics

2 answers:

zhannawk [14.2K]3 years ago

6 0

Answer:

jaja no creo que pueda responder eso en un tono feliz

Explanation:

lyudmila [28]3 years ago

5 0

Answer:

Muy bien, y usted?

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Write the ratio as a fraction in simplest from. 7/21

Andrews [41]

7/ (3*7)=
(7:7)/ (7*3): 7:)
(7:7):(21:7=
answer 1/3 or do you want full explanation of each step?

8 0

3 years ago

Which expression is equivalent to 21 × 7?

madreJ [45]

7 x 21 is equivalent to 21 x 7
also 3 x 49

7 0

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