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Darina [25.2K]
3 years ago
5

Please answer thank you

Mathematics
1 answer:
Nina [5.8K]3 years ago
5 0
If x is equaled to 10 then you will place 10 into 3 and it would look like this 3(10) + 5y= 20 now your next step is to multiply 3•10=30 so 30+5y=20 now all you have to do is 20- (-30)= -10 and then divide by 5 and it’s equal to -10/5= -2
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HELP PLZ<br><br> 7k + 4s = 20<br> -8k + 2s = 10<br><br> What is the value of k?
Finger [1]
Divide 20 by 4=5
then 5 by 7=5/7

k=5/7
8 0
3 years ago
3. PLZZZZ HELP MEEE!.!.!
andre [41]

Answer:

60in²

Step-by-step explanation:

Since lateral surface area means all the shapes except the base, we will ignore the square in the middle.

A=1/2(b*h)

A=1/2(10*3)

A=15in²

Now we will multiply the area by 4 or the number of other shapes besides the base.

60in²

3 0
2 years ago
Hello there!
Goryan [66]

(x^2+3)^2 + 7x^2+21=-10

We want to convert this equation in terms of m, where m = x^2+3

While solving this problem, I instantly noticed the x^2+3 in the first term of the equation. Replace that with m.

m^2 + 7x^2+21=-10

Simplifying the rest is not as obvious. Using the distributive property, we can change [7x^2+21] to [7(x^2+3)]

Do you see the "m" in here? Look again if you don't.

Now we can simplify the equation to m^2 + 7m=-10 and this cannot be simplified further.

I'm always happy to help someone who appreciates the help! :D

6 0
3 years ago
Read 2 more answers
The value of 9 in 90,000 is how many times the value of 9
Semmy [17]
The value is 10,000!!!
8 0
3 years ago
Can someone please answer. There is one problem. There's a picture. Thank you!
katrin [286]
The answer is the first option, \frac{12}{13} .
Start by knowing that the cosine function is \frac{adj}{hyp}.
For angle θ, find the adjacent side and hypothesis of the given triangle. These are 24 and 26, respectively. Simply put those into the cosine function, simplify, and you have your answer.
\cos(\theta)= \frac{adj}{hyp} = \frac{24}{26} = \frac{12}{13}
3 0
2 years ago
Read 2 more answers
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