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Vinvika [58]
4 years ago
10

-10x-3-2.5x+20=67 solve equation

Mathematics
1 answer:
dlinn [17]4 years ago
4 0

Answer:

x = -4

Step-by-step explanation:

combine like terms

-10x - 3 - 2.5x + 20 = 67

-12.5x + 17 = 67

subtract 17 from both sides of the equal sign

-12.5x = 50

divide -12.5 from both sides of the equal sign

x = -4

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Need help with this question
Lilit [14]

Answer: 30

Step-by-step explanation: To solve this problem, we're going to have to use the Pythagorean theorem...

a² + b² = c²

24² + 18² = c²

576 + 324 = c²

c² = 900

\sqrt{900}

30

30 = c

I hope this helps!

6 0
3 years ago
What is the y-intercept for the graph of this line? 3x - 5y = 6 - 6
photoshop1234 [79]

The right side of the equation is 6-6 which equals 0.

So the equation could be written as 3x-5y = 0

Since the right side of the equation is zero both the x and y intercepts are (0,0)

4 0
4 years ago
Read 2 more answers
Please help with this!! Triangles and angles
Delvig [45]

Answer:

Hello, for the second question, you can actually form a triangle from the line. From there, you can see the height (aka y) will be easier to solve. I hope this helps!

Ans: 1) 47.5

2) 3.4

Step-by-step explanation:

8 0
3 years ago
What are the partial products that resault from multiplying 15×32​
Eva8 [605]

Answer:

Partial products are 300, 150, 20 and 10. The value of 15×32 is 480.

Step-by-step explanation:

We need to find the partial products of 15×32​.

First write each number as the sum of their place values.

15=10+5

32=30+2

Now, write 10 and 5 in first row, and 30 and 2 in first column as shown below:

                          10                           5

30              30×10=300              30×5=150

2                  2×10=20                   2×5=10

Therefore partial products are 300, 150, 20 and 10.

Add these partial product to get the value of product.

15\times 32 = 300+150+ 20+10

15\times 32 = 480

The value of 15×32 is 480.

5 0
4 years ago
Solve 3^(x+1) = 15 for x using the change of base formula log base b of y equals log y over log b.
Mazyrski [523]

Answer:

Step-by-step explanation:

To solve this , first we convert the exponential form in to log form

becomes  

now we apply change of base formula to remove base 3

like that log_3(15) becomes

2.46497=x+1

subtract 1 from both sides

x= 1.46497

Step-by-step explanation:

8 0
4 years ago
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