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2 years ago

Please help me with math test

Mathematics

2 answers:

neonofarm [45]2 years ago

3 0

Answer:

the answsr is 144 g

Step-by-step explanation:

mass of grapes=total mass-mass of bowl

=265-121

=144 grams

Vinil7 [7]2 years ago

3 0

Step-by-step explanation:

144 Is the correct answer

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Answer:

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2 years ago

16-25(b+3) square

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Since 16 and 25 are perfect squares you can factor the first part.
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3 years ago

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3 years ago

Rhombus ADEF is inscribed into a triangle ABC so that they share angle A and the vertex E lies on the side BC . What is the leng

Thepotemich [5.8K]

Answer:

Length of side of rhombus is $x=\frac{ab}{a+b}$

Step-by-step explanation:

Given Rhombus ADEF is inscribed into a triangle ABC so that they share angle A and the vertex E lies on the side BC. We have to find the length of side of rhombus.

It is also given that AB=a and AC=b

Let side of rhombus is x.

In ΔCEF and ΔCBA

∠CEF=∠CBA (∵Corresponding angles)

∠CFE=∠CAB (∵Corresponding angles)

By AA similarity rule, ΔCEF~ΔCBA

∴ their sides are in proportion

$\frac{EF}{AB}=\frac{CF}{AC}$