3 years ago

Is the figure on the right congruent to the sample figure? EXPLAIN.

Mathematics

2 answers:

ch4aika [34]3 years ago

6 0

Yes, because the measurements and angles are all the same

disa [49]3 years ago

4 0

Yes, because they are equal and have the same measurement same size and same shape.

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Help needed quickly!!

Harrizon [31]

Answer:

x=126 degrees

Step-by-step explanation:

x+21=147 because they are opposite adjacent angles

x=126 degrees

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3 years ago

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A mallard duck has 13 ducklings, five of the ducklings are male, what is the ratio of male to female ducklings ?

hodyreva [135]

Answer:

5:8 Ducklings

7 0

3 years ago

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Rewrite 34 = 81 in logarithmic form.

Anna35 [415]

Answer:

$log_3(81) = 4$

Step-by-step explanation:

Given

$3^4 = 81$

Required

Rewrite in logarithmic form

We start by taking log of both sides

$3^4 = 81$

$log3^4 = log81$

From laws of logarithm;

$loga^b = b\log(a)$

So; $log3^4 = log81$ becomes

$4log3 = log81$

Divide both sided by log3

$\frac{4log3}{log3} = \frac{log81}{log3}$

$4 = \frac{log81}{log3}$

From laws of logarithm;

$\frac{loga}{logb} = log{_b}(a)$

So;

$4 = \frac{log81}{log3}$ becomes

$4 = log_3(81)$

$log_3(81) = 4$

Hence, $3^4 = 81$ in logarithm form is $log_3(81) = 4$

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3 years ago

The diameter of a circle is 10 cm. Find its circumference in terms of pi.

Annette [7]

62.82 cm

Step-by-step explanation:

the formula of circumference of circle is 2 Pi R

so, 2 * 22/7 * 10 cm = 62.82 cm

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3 years ago

A cylinder has a diameter of 10 inches and a height four times its radius. What is its volume?

Anit [1.1K]

Answer:

500π ≈ 1570.796

Step-by-step explanation:

diameter = 10

radius = diameter / 2 = 10 / 2 = 5

height = 4 * radius = 4 * 5 = 20

volume = π * height * (radius)² = π * 20 * (5)² = 500π ≈ 1570.796

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2 years ago

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