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2 years ago

What are some different ways to write c=2.95g

Mathematics

1 answer:

QveST [7]2 years ago

7 0

You could write it as 0.00295kg, or 0.006503637 pounds. Depends on what your looking for.

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Prove that the triangle EDF is isosceles. Give reasons for your answer.

Gekata [30.6K]

Answer:

$\triangle EDF$ is isosceles.

Step-by-step explanation:

Please have a look at the attached figure.

We are given the following things:

$\angle EDF = y$

$\text{External }\angle DFG = 90 +\dfrac{y}{2}$

Let us try to find out $\angle E$ and $\angle DFE$ . After that we will compare them.

Finding  $\angle DFE$ :

Side EG is a straight line so $\angle GFE = 180$

$\angle GFE$ is sum of internal $\angle DFE$ and external $\angle DFG$

$\angle GFE = 180 = \angle DFE + \angle DFG\\\Rightarrow 180 = \angle DFE + (90+\dfrac{y}{2})\\\Rightarrow \angle DFE = 180 - 90 - \dfrac{y}{2}\\\Rightarrow \angle DFE = 90 - \dfrac{y}{2} ....... (1)$

Finding  $\angle E$ :

Property of external angle: External angle in a triangle is equal to the sum of two opposite internal angles of a triangle.

i.e. external $\angle DFG$ = $\angle E + \angle EDF$

$\Rightarrow 90+\dfrac{y}{2} = \angle E + y\\\Rightarrow \angle E = 90+\dfrac{y}{2} -y\\\Rightarrow \angle E = 90-\dfrac{y}{2} ....... (2)$

Comparing equations (1) and (2):

It can be clearly seen that:

$\angle DFE = \angle E =90-\dfrac{y}{2}$

The two angles of $\triangle EDF$ are equal hence $\triangle EDF$ is isosceles.

8 0

2 years ago

What is 8 - 5 3/16 I gotta know

ValentinkaMS [17]

Answer:

Step-by-step explanation:

Convert the mixed numbers to improper fractions, then find the LCD and combine.

Answer:

45/16

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2 years ago

Help me please. I need it rn

cricket20 [7]

Answer:

you can apply percentages knowledge and reverse percentages knowledge. you can look at the formulas and it will be dead easy.

Step-by-step explanation:

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If a guy named josh got 45 bucks for his b-day and already had 237 bucks. How much money does josh have all together.

Lisa [10]

Answer:

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Step-by-step explanation:

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Select the correct location on the graph.

pochemuha

Answer:

it's d it makes alot of sense and ik it's right

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2 years ago