3 years ago

A) Work out (8 * 10°) * (2 x 104) Give your answer in standard form.

Mathematics

1 answer:

uysha [10]3 years ago

5 0

16,640 bc 89•204 don’t do in head

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4.23 rounded to the nearest tenth

mestny [16]

4.2 the 2 is in the tenths place so you round it using the 3 because it is the first one behind it and 3 is less than 5 so it just stays at 2 so your answer is 4.2

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4 years ago

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All of the following have the same solution except _____. 50 = 5 m x - 6 = 4 = 2 b + 2 = 8

svlad2 [7]

Answer: b+2=8

Step-by-step explanation:

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2 years ago

What is the domain of the function

IRINA_888 [86]

$\sqrt{5+x}$ is defined as long as $5+x\ge0$ , or $x\ge-5$ . However, $\dfrac1x$ is undefined when $x=0$ . This point is contained in the set $\{x|x\ge-5\}$ , so we need to exclude it. We can write the domain in several ways.

$\{x|x\ge-5~\land~x\neq0\}$
$-5\le x$
$[-5,0)\cup(0,\infty)$

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3 years ago

A mouse makes itself a nest every two weeks and uses 8 large leaves to line each nest. How many leaves will the mouse have used

Elza [17]

24 leaves because 6/2=3x8=24

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3 years ago

Which of the following are measures of supplementary angles? A. 60° and 30° B. 122° and 58° C. 180° and 90° D. 45° and 45°

dusya [7]

Answer: B) 122 and 58

Supplementary angles add to 180 degrees. In other words, they form a straight angle or a straight line when you combine them together (make sure they don't overlap and that there isn't any gap between them).

Choice B is the only pair of angles where they add to 180 since 122+58 = 180. The values in choice A and choice D add to 90; the values in choice C adds to 270.

Note: complementary angles add to 90 degrees. One way to remember "supplementary" vs "complementary" is to think "S for straight, C for corner". By "corner", I mean a 90 degree corner.

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3 years ago