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3 years ago

Consider the expressions (5.9 x 106) and (3.2 x 104)

Mathematics

1 answer:

Dmitrij [34]3 years ago

4 0

Answer:

I think u should check the question ones again

Step-by-step explanation:

but still this is ypur ans

hope it help

mark as brainliest

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① 5J+2S =12.20 ② 5J+ 10S =15.80 elimination method

hram777 [196]

Answer:

Step-by-step explanation:

$5J +2S =12.20 ........(1)\\5J+10S=15.80......(2)\\Multiply \:equation \:(1)\:by\:the\:coefficient\:of\:x\:in equation\:(2)\\\\Multiply\:equation(2)\: by\: the\: coefficient\:of \:x\: in \:equation (1)\\\\5J +2S =12.20 ........(1) \times 5\\5J+10S=15.80......(2)\times 5\\\\25J+10S=61......(3)\\25J+50S = 79......(4)\\Subtract\:equation\:(4)\:from\: equation\: (3)\\-40S =-18\\\frac{-40S}{-40}=\frac{-18}{-40}\\ S = 9/20\\$

$Substitute \:9/20\:for \:x \:in\:equation\:(1)\:or \:equation\:(2)\\5J+2S = 12.20\\5J +2(9/20) =12.20\\5J +9/10=12.20\\5J=12.20-9/10\\5J=113/10\\Cross-Multiply\\50J = 113\\J = 113/50$

4 0

3 years ago

A hot air balloon was flying at an altitude of 300 meters when the pilot decided to land by descending at a rate of 2 meters per

krok68 [10]

Answer:

The answer is "150 seconds".

Step-by-step explanation:

$\to distance = 300 \ meter\\\\\to speed = 2 \ \frac{m}{s} \\\\\ formula: \\\\ \bold{speed = \frac{distance}{time}}\\\\$

$time= \frac{distance}{speed}\\\\$

$=\frac{300}{2}\\\\=150 \ seconds$

7 0

3 years ago

Angle x and 56 are complementary. What is the value of x?<br> 149<br> 34<br> 56<br> 90

Anni [7]

Answer:

34°

Step-by-step explanation:

90-56=34°

__________

5 0

2 years ago

The three incoming currents at a node in an electrical circuit measure 0.7 amps, 0.68 amps, and 0.47 amps two of the three outgo

OLga [1]

What goes in goes out. This means none of the current is lost. So if 0.7amps+0.68amps+0.47amps = 1.85 amps comes in, then 1.85 amps goes out. So far we have 0.8 amps+0.55 amps going out= 1.35 amps. This means we need an additional 1.85-1.35amps going out= 0.5 amps for the third outgoing current. Cheers!

8 0

3 years ago

G(x)=-(x+1)(r-1)(-4)<br> In standard form?? Please help!

jekas [21]

Answer:

g(x) = 4rx + 4r - 4x - 4

Step-by-step explanation:

g(x)= -(x+1)(r-1)(-4)

6 0

2 years ago