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Stells [14]
3 years ago
13

What is -7 1/20 = as a decimal?

Mathematics
1 answer:
mojhsa [17]3 years ago
4 0
I hope this helps you -7 1/20 -7×20+1/20 -140+1/20 -139/20 -6,95
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Solve 2x + 3y = 16<br> 4x+10y = 40​
Aleksandr-060686 [28]

Answer:

x = 5, y = 2

Step-by-step explanation:

First, find the value of x in respect to y:

2x + 3y = 16
2x = 16 - 3y

x = 8 - 3/2y

Then, substitute this expression into the second equation (Since we've established x is equal to 8 - 3/2y, we can put that in place of x):

4(8 - 3/2y) + 10y = 40

Then, distribute and solve for y:

32 - 6y + 10y = 40
32 + 4y = 40
4y = 8
<u>y = 2</u>

Now that we know what y equals, we can substitute the value of y in the equation to find x:
2x + 3(2) = 16
2x + 6 = 16
2x = 10

<u>x = 5</u>


8 0
3 years ago
Which expression is equivalent to 210d² – 63d
Tema [17]

Answer:

21d(10d-3)

Step-by-step explanation:

21d x 10d = 210d^2

21d x 3 = -63d

so it would be 210d^2 - 63d

7 0
4 years ago
What is the expanded form of 430,290,100
mariarad [96]
So,

When you write a number in expanded form, you separate each non-zero digit and write it according to its place value.

430,290,100

400,000,000
30,000,000

We don't put anything for the millions place because there are none.

200,000
90,000
100

Then we join each of them with a plus sign.

400,000,000 + 30,000,000 + 200,000 + 90,000 + 100
3 0
4 years ago
Read 2 more answers
How many terms are there in 2x+8-7y3
Evgen [1.6K]
There are 3 terms in this expression. You can determine this answer by knowing that terms are either a single number or variable or numbers and variables multiplied together. Here's a picture example below:
Hope it helps! Mark as brainliest!

4 0
3 years ago
Read 2 more answers
Which system of equations is represented in the graph?
saveliy_v [14]

Answer:

Y= mX+b

Step-by-step explanation:

B is y intercept

M is slope


3 0
3 years ago
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