3 years ago

Find the missing angle.

Mathematics

1 answer:

lesya [120]3 years ago

3 0

Answer is 45°, this is because A right angle triangle has 3 angles. 90°,45°,45°

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Dennis and Ivy share some sweets between them in the ratio 7:4 Dennis got 42 sweets. How many does ivy get

MrRa [10]

Answer:

$Ivy = 24$

Step-by-step explanation:

Given

$Dennis : Ivy = 7 : 4$

Required

Determine the amount of sweet Ivy gets when Dennis = 42

We have:

$Dennis : Ivy = 7 : 4$ and

$Dennis = 42$

Substitute 42 for Dennis in $Dennis : Ivy = 7 : 4$

$42 : Ivy = 7 : 4$

Convert to fraction

$\frac{42}{Ivy} = \frac{7}{4}$

Cross Multiply:

$Ivy * 7 = 42 * 4$

Divide through by 7

$\frac{Ivy * 7}{7} = \frac{42 * 4}{7}$

$Ivy = \frac{42 * 4}{7}$

$Ivy = 6* 4$

$Ivy = 24$

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3 years ago

Factor completely −5x2 + 10x − 25.

garri49 [273]

5(2x-7)

Hope this helps !

Have a great day!

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Ira Lisetskai [31]

Answer:

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Step-by-step explanation:

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Nookie1986 [14]

The solution is 15.

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natta225 [31]

Answer:

Step-by-step explanation:

To solve, collect like terms

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3 years ago