2 years ago

Find the number which replaces the question mark

Mathematics

1 answer:

Sati [7]2 years ago

8 0

I think it would be 40?

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Bertha and Vernon are competing in a diving competition. Bertha's dive ended -54 m from the starting platform. Vernon's dive end

irinina [24]

.bertha dived 8 times more then vernon 54/8 = 6

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3 years ago

22broccy-here you go g-<br> what is the sum of negative two squared plus one?

yaroslaw [1]

Answer:

The sum is equal to 5

Step-by-step explanation:

we know that

The algebraic expression of the phrase " the sum of negative two squared plus one" is equal to

$(-2)^{2}+1\\=4+1\\=5$

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4 years ago

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What is the value of the expression |a + b| + |c| when a = –3, b = 7, and c = –15?

nikdorinn [45]

We know:
$|a|= \left\{\begin{array}{ccc}a&if\ a \ \textgreater \ 0\\0&if\ a=0\\-a&if\ a \ \textless \ 0\end{array}\right\\\\|2|=2\\|0|=0\\|-3|=3$

$|a+b|+|c|$
substitute a = -3; b = 7; c = -15
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3 years ago

Solve the following simultaneous equations: 1. a) x-y=-5 and x + y = -1

Sonbull [250]

Answer:

x = -3, y = 2

Step-by-step explanation:

x - y = -5

x = -5 + y

Let's put this into the other equation

(-5 + y) + y = -1

-5 + 2y = -1

2y = 4

y = 2

Now we can solve for x by plugging y into either equation

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2 years ago

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telo118 [61]

Answer:

x=1.4 or 21/15

Step-by-step explanation:

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Find the number which replaces the question mark​

Find the number which replaces the question mark