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KonstantinChe [14]
2 years ago
9

Question 3: i’ll mark u brainliest

Mathematics
2 answers:
S_A_V [24]2 years ago
8 0

<em>this</em><em> </em><em>is</em><em> </em><em>so</em><em> </em><em>easy</em><em> </em><em>if</em><em> </em><em>you</em><em> </em><em>ask</em><em> </em><em>me</em><em> </em><em>u</em><em> </em><em>already</em><em> </em><em>know</em><em> </em><em>the</em><em> </em><em>answer</em><em> </em><em>and</em><em> </em><em>the</em><em> </em><em>answer</em><em> </em><em>is</em><em> </em><em>definitely</em><em> </em><em>26</em><em> </em><em>so</em><em> </em><em>make</em><em> </em><em>sure</em><em> </em><em>to</em><em> </em><em>like</em><em> </em><em>and</em><em> </em><em>rate</em><em> </em><em>my</em><em> </em><em>answer</em><em> </em><em>because</em><em> </em><em>that's</em><em> </em><em>why</em><em> </em><em>I</em><em> </em><em>mainly</em><em> </em><em>help</em><em> </em><em>people</em><em> </em><em>to</em><em> </em><em>get</em><em> </em><em>more</em><em> </em><em>points</em><em> </em><em>but</em><em> </em><em>as</em><em> </em><em>I</em><em> </em><em>just</em><em> </em><em>started</em><em> </em><em>it</em><em> </em><em>is</em><em> </em><em>difficult</em><em> </em><em>because</em><em> </em><em>people</em><em> </em><em>have</em><em> </em><em>got</em><em> </em><em>twice</em><em> </em><em>more</em><em> </em><em>than</em><em> </em><em>me</em>

Alexeev081 [22]2 years ago
6 0

Answer:

26

Step-by-step explanation:

56cm-48cm=8cm

18cm+8cm=26cm

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2×x×3×y<br><img src="https://tex.z-dn.net/?f=2%20%5Ctimes%20x%20%5Ctimes%203%20%5Ctimes%20y" id="TexFormula1" title="2 \times x
Zigmanuir [339]

Answer:

6xy

Step-by-step explanation:

7 0
3 years ago
Eight is thirteen more than three times a number. Write as an algebraic expression
svp [43]

Answer: 3x + 13 = 8

Step-by-step explanation: If u multiply the number by 3 and add 13, the answer would be 8

7 0
3 years ago
BRAINLIST HEHEH HELP PWEASEC
natka813 [3]

Answer:

A. The amount per text message.

B. 16x x y = 3.20

Step-by-step explanation:

A. the amount per text message doesn't change, only the amount of times you message does.

B. (below)

X- The amount of messages sent.

Y- The amount of months.

6 0
3 years ago
Simplify the following expression using imaginary numbers. Express your answer in a + bi form
mamaluj [8]
<h2>Answer:</h2>

0 - 17i

<h2>Step-by-step explanation:</h2>

Given expression;

i⁸⁰ + i³⁸ - i17

To express the expression in the form a+bi;

<em>i. Rewrite the expression such that it contains terms in i²</em>

(i²)⁴⁰ + (i²)¹⁹ - i17

<em>ii. Solve the result from (i) above using the identity i² = -1</em>

We know that the square root of -1 is i. i.e

\sqrt{-1} = i

<em>Squaring both sides gives</em>

<em>=> </em>(\sqrt{-1} )^{2} = i^{2}<em />

=> -1 = i²

Therefore,

i² = -1

<em>Substitute i² = -1 in step (i) above</em>

(-1)⁴⁰ + (-1)¹⁹ - i17

<em>(iii) Solve the result in (ii)</em>

We know that the when a negative number is raised to the power of an even number, the result is a positive number. If it is raised to the power of an odd number, the result is a negative number. Therefore,

(-1)⁴⁰ + (-1)¹⁹ - i17 becomes

1 + (-1) - i17

0 - i17

<em>(iv) Write the result from (iii) in the form a+bi</em>

0 - 17i

5 0
3 years ago
Please help, legitimate answers only or reported
Doss [256]

question 9

a) 2 x 3 = 6m^2

b) diameter = 2m and radius = 1m

c) πr^2 is the equation, so 3.14 x 1^2 = 3.14m^2

and the semi circle is half of that, 1.57m^2

d) 6 + 1.57 = 7.57m^7

question 10

30 x 70 = 2,100m^2

πr^2 so 3.14 x 15^2 = 706.5m^2

2,100 + 706.5 = 2,806.5m^2

i hope this is correct :D

8 0
3 years ago
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