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Oksi-84 [34.3K]
3 years ago
7

3. 8x + 4y24 and 6x + 6y = 6​

Mathematics
1 answer:
anzhelika [568]3 years ago
5 0

Answer:

x and y

Step-by-step explanation:

Variables are always the numbers that're replaced with a letter. For example, in the equation:

2t+6

t would be the variable.

Hope this helps!! <3 :)

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10x - 4 = 2 ( ? ) is it a) 5x - 4 b) 5x - 2 c) 10x - 4 d ) 10x - 8
attashe74 [19]
We have that

<span>10x - 4 = 2 ( ? )
</span>I proceed to replace the missing value with the given expression

case a-------------> <span>5x - 4
</span><span>then
</span>10x - 4 = 2 (5x-4 )--------> 10x - 4 = 10x-8--------> is not solution

case b-------------> 5x - 2
then
10x - 4 = 2 (5x-2 )--------> 10x - 4 = 10x-4--------> is  solution

 case c-------------> <span>10x - 4 
</span>then
10x - 4 = 2 (10x - 4 )--------> 10x - 4 = 20x-8--------> is not solution

 case d-------------> <span>10x - 8
</span>then
10x - 4 = 2 (10x - 8 )--------> 10x - 4 = 20x-16--------> is not solution

the answer is the option b) 5x - 2
3 0
3 years ago
What is the 10th term in the increasing pattern shown?<br><br> 1, 1, 2, 3, 5, 8, 13
Vika [28.1K]

Answer:

55

Step-by-step explanation:

(after the first "1") You need to add the previous two numbers together to get the next number in the pattern.

7 0
2 years ago
Quick calculus question work doesn't have to be shown
Vinil7 [7]
\bf \textit{volume of a sphere}\\\\&#10;V=\cfrac{4\pi r^3}{3}\implies V=\cfrac{4\pi }{3}r^3&#10;\\\\\\&#10;\cfrac{dV}{dt}=\cfrac{4\pi }{3}\cdot \stackrel{chain~rule}{3r^2\cdot \cfrac{dr}{dt}}\quad &#10;\begin{cases}&#10;\frac{dr}{dt}=50\\&#10;r=6&#10;\end{cases}\implies \cfrac{dV}{dt}=\cfrac{4\pi }{3}\cdot 3(6)^2\cdot 50\\\\\\ \cfrac{dV}{dt}=\stackrel{\frac{cm^3}{s}}{7200\pi}
5 0
3 years ago
The diagram shows a right-angled triangle.
Otrada [13]

Answer:

h ≈ 9.9 cm

Step-by-step explanation:

By applying tangent rule for the given angle in the given right triangle,

tan(51°) = \frac{\text{Opposite side}}{\text{Adjacent side}}

tan(51°) = \frac{h}{8}

h = 8 × tan(51°)

h = 9.879

h ≈ 9.9 cm

Therefore, measure of side 'h' is 9.9 cm.

3 0
3 years ago
Ronald is trying to reconstruct his spending pattern from May. He knows that he had $315 in his account on May 1, but after that
Valentin [98]

Answer: C. Ronaldo overviewed his account twice.

Step-by-step explanation:

Just took a test on edge.

7 0
3 years ago
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