Find x, the slant height of the pyramid shown, to the nearest tenth.

Mathematics

2 answers:

IRISSAK [1]3 years ago

8 0

I just did this question and 5 mm is not the answer the actual answer is (D. 4.3 mm) Because when I looked back it said 5 mm isn't the answer so this is what I'm gonna leave here. that dude below has the wrong answer.

pychu [463]3 years ago

4 0

There is a right triangle with the height (4) and half the base (3) as legs and the slant height (x) is the hypotenuse:
4² + 3²= x²
x² = 16+9
x =5 mm

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Solve the inequality. Check your solutions.

Komok [63]

The inequality is

$7- \frac{2}{b}\ \textless \ \frac{5}{b}$

write 7 as 7b/b to have all the expressions in common denominator:

$\frac{7b}{b} - \frac{2}{b}\ \textless \ \frac{5}{b}$

$\frac{7b-2}{b} \ \textless \ \frac{5}{b}$

$\frac{7b-2}{b}- \frac{5}{b}\ \textless \ 0$

$\frac{7b-2-5}{b}\ \textless \ 0$

$\frac{7b-7}{b}\ \textless \ 0$

$\frac{7(b-1)}{b}\ \textless \ 0$

here b=1 is a root and b=0 is not in the domain of the expression, but it still has an effect in the sign of the expression.

the sign table of $\frac{7(b-1)}{b}$ is :

+++++++[0] --------[1] +++++

this means that for values of b to the left of 0 and to the right of 1, the expression is positive, and for values of b in (0, 1), the expression is negative.

that is $\frac{7(b-1)}{b}\ \textless \ 0$ for b∈(0, 1)

Answer: (0, 1)

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3 years ago

Hola. Ayuda con estos problemas de geometría plana. Regalo 20 puntos a la respuesta correcta...

stiv31 [10]

Hola i don’t understand

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3 years ago

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State whether the relationship between x and y in y=4x-5 is proportional or nonproportional

dexar [7]

The relationship is proportional because it is in standard form

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