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2 years ago

WHAT IS 12X34=?? PLEASE SOMEONE HLEP ME

Mathematics

2 answers:

dusya [7]2 years ago

7 0

Answer:

408

Step-by-step explanation:

you put 12 on top and you put 34 on the bottom then you have 12x 34 then you multiply it

lbvjy [14]2 years ago

3 0

Answer:

408

Step-by-step explanation:

12×34

48+360

408

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4. What is the solution of the system of equations? y=-2x+5 y=-2x+20

Norma-Jean [14]

The system of equation, y = -2x + 5 and y = -2x + 20, have no solution.

<h3>How to Find the Solution of a System of Equations?</h3>

The solution to a system of equations is the ordered pair of x and y that makes both equations true.

Given the system of equations,

y = -2x + 5 --> equation 1

y = -2x + 20 --> equation 2

Subtract to eliminate variable "y"

0 = 0 + 25

0 = 25 [this is not true]

Therefore, no solution exist for the system of equations.

Thus, we can conclude that, the system of equation, y = -2x + 5 and y = -2x + 20, have no solution.

Learn more about system of equations on:

brainly.com/question/14323743

#SPJ1

3 0

2 years ago

Someone help me please!!

Alex_Xolod [135]

Step-by-step explanation:

it is a right angle triangle

30square =14square +x square

900=196+xsquare

900-196=xsquare

704=xsquare

root704=x

26.532=x

90+26.532=63.468

180-63.468=116.532degree

8 0

3 years ago

Apple launches an ad campaign for iPhone 12. Managers want to know what is the % of social media mentions that have positive rea

Orlov [11]

Answer:

social media mentions do managers at Apple need to collect, if they want to get a margin of error of 2%

Sample size 'n' = 625

Step-by-step explanation:

Step(i):-

Given data Apple launches an ad campaign for iPhone 12

Managers want to know what is the % of social media mentions that have positive reactions to the new ad campaign

probability of positive reactions p = 1/2

Probability of negative reactions q = 1-p = 1/2

we know that $\sqrt{p(1-p}\leq \frac{1}{2}$

Step(ii):-

Given margin of error = 2 % =0.02

The margin of error is determined by

$M.E = \frac{\sqrt{p(1-p} }{\sqrt{n} }$

$0.02 = \frac{\frac{1}{2} }{\sqrt{n} }$

$\sqrt{n} =\frac{1}{2 X0.02}$

√n = 25

squaring on both sides, we get

n = 625

8 0

3 years ago

Can somebody please help me with these?

alexdok [17]

Answer:

r=52, v=9.96, a=-8.5 all calculated

6 0

3 years ago

Help with hw please I’ll give brainliest

Ymorist [56]

The first one is B
The second one is D
Hope this helps you!

4 0

3 years ago