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shusha [124]
3 years ago
9

Can someone help me with this? ​

Mathematics
1 answer:
katrin2010 [14]3 years ago
8 0

Answer:

the answer is 18 cause if u replace it is will give 45 +45 for the angle beside would give u 90

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4 coffees and 12 lattes. Costs $61
Gala2k [10]

Answer:

Cost of a coffee is <u>$2.5</u> and cost of a latte is <u>$4.25.</u>

Step-by-step explanation:

Let cost of 1 coffee be 'c' and cost of 1 latte be 'l' dollars.

Given:

4 coffees and 12 lattes cost $61.

12 coffees and 7 lattes cost $59.75.

∵ 1 coffee cost = c

∴ 4 coffees cost = 4c and 12 coffee cost = 12c

∵ 1 latte cost = l

∴ 12 lattes cost = 12l and 7 lattes cost = 7l

Now, as per question:

4c+12l=61-----1\\12c+7l=59.75----2

Now, multiplying equation (1) by -3 and adding the result to equation (2). This gives,

-3(4c+12l)=-3(61)\\\\-12c-36l=-183\\12c+7l=59.75\\+\\----------\\0-29l=-123.25\\\\l=\frac{-123.25}{-29}=\$4.25

Now, plug in the value of 'l' in equation 1 to solve for 'c'. This gives,

4c+12(4.25)=61\\\\4c+51=61\\\\4c=61-51\\\\4c=10\\\\c=\frac{10}{4}=\$2.5

Therefore, cost of a coffee is $2.5 and cost of a latte is $4.25.

4 0
3 years ago
-5y + 8 = 3y + 10. Calculate and show work
maksim [4K]
<span><span><span>2x</span>+3</span>=<span><span>[email protected]</span><span>x=6</span></span></span><span><span><span><span>(2)</span><span>(6)</span></span>+3</span>=15</span><span><span>15=</span><span>15</span></span>
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3 years ago
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Triss [41]
The answer is -4, hope this helped
8 0
3 years ago
One way to increase acceleration is by
Hunter-Best [27]

Answer:

I believe its D , to increase the acceleration of a object you have  to increase the force  preferably ,the mass kind of slows it down because of the weight .

But d is the most legit answer so  :p

hoped I helped -

Sleepy~

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Elenna [48]

Answer:

quadrant 3

Step-by-step explanation:

Cuz x and y are in the negative if they’re both less than 0

4 0
3 years ago
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