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Misha Larkins [42]
3 years ago
11

Can you help me please​

Mathematics
2 answers:
Studentka2010 [4]3 years ago
7 0
Your answer is x=864. Hope this helped.
svetoff [14.1K]3 years ago
6 0

Answer:

don't write sloppy and I'll be able to answer it

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How many solutions does the following linear equation have?<br> y = -2x -4<br> y = 1/2x - 5
Andrews [41]

Answer:

x=2/5, y=-24/5. (2/5, -24/5).

Step-by-step explanation:

y=-2x-4

y=1/2x-5

----------------

-2x-4=1/2x-5

-2x-1/2x-4=-5

-4/2x-1/2x=-5+4

-5/2x=-1

5/2x=1

x=1/(5/2)

x=2/5

y=1/2(2/5)-5

y=1/5-5

y=1/5-25/5

y=-24/5

5 0
3 years ago
Divide £50 in the ratio of 1:4
NikAS [45]
Answer=10:40


Explanation:

Don’t know how to type the symbol in font of the 50 so I will substitute
£50=$50

So 1:4
Add it up
1+4=5

So 5 total units
$50=5
Divided by 5
$10=1 units

So 1:4=10:10 times 4=10:40
6 0
3 years ago
First one right gets BRAINLIEST!!<br><br> If f(x)=x²+2x-3 and g(x)=x²-9, find (f/g) 4 and (f+g)(4)
Rasek [7]

Answer:

3 and 28

Step-by-step explanation:

note (\frac{f}{g} )(x ) = \frac{f(x)}{g(x)}

\frac{f(x)}{g(x)}

= \frac{x^2+2x-3}{x^2-9}  and

(\frac{f}{g} )(4) = \frac{4^2+2(4)-3}{4^2-9} = \frac{16+8-3}{16-9} = \frac{21}{7} = 3

-------------------------------------------------------

(f + g)(x) = f(x) + g(x)

f(x) + g(x)

= x² + 2x - 3 + x² - 9 = 2x² + 2x - 12 and

(f + g)(4) = 2(4)² + 2(4) - 12 = 2(16) + 8 - 12 = 32 + 8 - 12 = 28

6 0
3 years ago
A 9-pack of notebooks costs $3.87. What is the unit price?
wel

Answer:

$0.43

Step-by-step explanation:

First, we must divide $3.87 by 9.

3.87 \div 9 = 0.43

<em>Hope</em><em> </em><em>this</em><em> </em><em>helped</em><em> </em><em>:</em><em>)</em>

<em>Please</em><em> </em><em>mark</em><em> </em><em>brainliest</em><em> </em><em>if</em><em> </em><em>it</em><em> </em><em>helped</em><em>.</em>

5 0
4 years ago
Read 2 more answers
Alexis has $22 75 to spend at the movies she buys a ticket for $8.500 a popcorn for $725 and a candy bar for $5 how much money d
vaieri [72.5K]

Answer:

  • $2.00

Step-by-step explanation:

<u>Alexis spends:</u>

  • $8.50 + $7.25 + $5 = $20.75

<u>Money left:</u>

  • $22.75 - $20.75 = $2.00
6 0
3 years ago
Read 2 more answers
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