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3 years ago

Help again geometry similarity transformations

Mathematics

2 answers:

MArishka [77]3 years ago

7 0

1. 2

2. The X axis

3. 3 right and 1 up (3, 1)

Kipish [7]3 years ago

4 0

Answer:

2 or A

x-axis or y = 0

I'm not sure the answer choices for the third one so I'm heading out.

Step-by-step explanation:

If your device is capable of taking screenshots from your laptop/desktop, then take a screenshot, like on Windows OS, it's Windows Key + Shift + S, and on Mac OS, it's Command + Control + Shift + 4, I think.

Taking a picture from a phone takes longer to upload and has bad quality since it's from a further distance and the individual pixels are more spread out.

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Last two!!(ty for all the help) :

malfutka [58]

With the b2+b- 12 your gonna want to do this
b2+b-12
b2+4b-3b-12
which is the sum product
after doing that you wanna common the factors from the two pairs. Which is b2+4b-3b-12 then you do you parentheses around b(b+4)-3(b+4) just like that after you do that then you rewrite it in factored form b(b+4)-3(b+4) you then want to rewrite it to this (b-3)(b+4) after that your solution will be (b-3)(b+4) for the first one.

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2 years ago

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Step-by-step explanation:

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3 years ago

The following table displays the number of sofas sold in a furniture store during certain months of the year.

Andreyy89

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3 years ago

- 2 square root of 250

vredina [299]

15.8
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3 years ago

Geometry question, need help!

Anna35 [415]

Answer:

x = 7.5

Step-by-step explanation:

We first labelled the diagram we get

DC = 8

AD = 10

CE = 6

BE = x

∴ AC =AD + DC = 18

∴ BC = BE + ED = x + 6

To Find :

BE = x =?

Solution:

Let DE || AC

In Δ ABC and Δ DEC

∠A ≅ ∠D …………..{corresponding angles ∵ DE || AB }

∠B ≅ ∠E ..............{corresponding angles ∵ DE || AB }

∠C ≅ ∠C ……….....{Reflexive Property}

Δ ABC ~ Δ DEC ….{Angle-Angle-Angle Similarity test}

If two triangles are similar then their sites are in proportion.

$\frac{AB}{DE} =\frac{BC}{EC} =\frac{AC}{CD}\ \textrm{corresponding sides of similar triangles are in proportion}\\$

On substituting the given values we get

∴ $\frac{8}{18} = \frac{6}{6+x} \\\\8(6+x) = 6\times 18\\\\\textrm{using distributive property we get}\\48+8x=108\\8x=108-48\\x=\frac{60}{8}\\ \\x=7.5\\\\\therefore x =7.5$

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4 years ago