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3 years ago

Pls guys help me pls

Mathematics

1 answer:

galina1969 [7]3 years ago

8 0

Answer:

$x < 5$

I think the answer is A

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Find the area of an acute triangle with a base of 13 inches and a height of 5 inches.

MArishka [77]

Base=B=13in
Height=H=5in

Area:-

$\\ \rm\hookrightarrow \dfrac{1}{2}BH$

$\\ \rm\hookrightarrow \dfrac{1}{2}(13)(5)$

$\\ \rm\hookrightarrow 65/2$

$\\ \rm\hookrightarrow 32.5in^2$

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3 years ago

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Step-by-step explanation:

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3 years ago

The longest side of a triangle similar XYZ is 39 units long. Find the other side lengths of the triangle.

Neporo4naja [7]

Answer:

The side lengths are 30, 36 and 39.

Step-by-step explanation:

To find the missing side, write a proportion using side lengths from each similar shape. A proportion is an equation that sets equal two ratios.

$\frac{13}{39}=\frac{12}{y}$

Find y by cross multiplying numerator and denominator of each fraction.

13y = 39(12)

13y = 468

y = 36

Find the other missing side by repeating the process.

$\frac{13}{39}=\frac{10}{y}$

Find y by cross multiplying numerator and denominator of each fraction.

13y = 39(10)

13y = 390

y = 30

The side lengths are 30, 36 and 39.

3 0

3 years ago

The ratio of boys to girls in history class is 4 to 5. How many girls are in the class if there are 12 boys in the class. Show y

Natalija [7]

I believe its 15 girls.
If its 5 girls to every 4 boys and there is 12 boys then 12 is just 4 three times so you would do 5 three times making it 15.
4boys = 5girls
+4boys= 5girls
+4boys = 5girls
=12boys = 15girls

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3 years ago

Which expression is equivalent to 18x12

serg [7]

Answer:

12x18

Step-by-step explanation:

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3 years ago

Read 2 more answers

Pls guys help me pls ​

Pls guys help me pls