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riadik2000 [5.3K]
2 years ago
11

Whats the answer to (7x+3)-(2x+1)

Mathematics
1 answer:
nignag [31]2 years ago
6 0
<span>(7x+3)-(2x+1)
=</span><span>7x  + 3 - 2x - 1
= 5x + 2</span>
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One number is 23 more than another. If the sum of the two numbers is 163, find the two numbers.
kipiarov [429]

ANSWER

93 and 70

EXPLANATION

We have that one number is 23 more than another.

Let the first number be x.

Let the second number be y.

This means that:

x = 23 + y ____(1)

The sum of the two numbers is 163. This means that:

x + y = 163 ____(2)

Put (1) in (2):

23 + y + y = 163

23 + 2y = 163

2y = 163 - 23

2y = 140

y = 140 / 2

y = 70

From (1):

x = 23 + 70

x = 93

The two numbers are 93 and 70.

5 0
11 months ago
Matt reasoned that he can write 9/1,000 as 0.9. Is he correct? Explain your answer.
GuDViN [60]
No because 9/1,000 in decimals would be 0.009 because if the number was a 3 number then it would go in the tenths
5 0
3 years ago
Evaluate the function at x=-1​
Oksana_A [137]

Answer:

y=0 when x=-1

Step-by-step explanation:

We look at the chart to see that there is a value for y when x equals negative 1.

According to the chart, y equals 0 when x=-1.

Therefore, the answer is 0.

4 0
3 years ago
What is the measure of angle DBA?
const2013 [10]

Answer:

DBA =110 degree

Step-by-step explanation:

angle DBA is central angle

central angle = arc angle = 110 degree

8 0
2 years ago
Read 2 more answers
Solve for x.<br> Your answer must be simplified.<br> 17r &gt; -17
Snowcat [4.5K]

Hello :D

Answer:

\boxed{R>-1}

The answer should have a negative sign.

Step-by-step explanation:

First, you do is divide by 17 from both sides of an equation.

\frac{17r}{17}>\frac{-17}{17}

Then, you simplify and solve to find the answer.

-17\div17=-1

\boxed{R>-1}, which is our answer.

I hope this helps you!

Have a great day! :D

4 0
3 years ago
Read 2 more answers
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