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Sedaia [141]
3 years ago
10

10.9 + (-15.6) + 2.1 write as a decimal​

Mathematics
1 answer:
Delvig [45]3 years ago
5 0

Answer:

-2.6

Step-by-step explanation:

10.9 + (-15.6) becomes 10.9 - 15.6 which equals -4.7. The last step is to add the 2.1 to the -4.7: -4.7 + 2.1 = -2.6

Therefore the answer is -2.6

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What is the value of x?<br><br> A. 6<br> B. 4<br> C. 10<br> D. 16
sweet-ann [11.9K]

D. 16 i hope this helps


5 0
3 years ago
How do I solve this equation to find x and y
aleksandrvk [35]

Answer:

(x,y) = (6/5, 38)

Step-by-step explanation:

y = y right?

so, you just substitute both of those equations

26+10x = 44-5x

26 -44 = -5x -10x

x = 6/5

then substitute x into ANY of these two equations

let's say we want the second one

y = 44 - 5 × 6/5

y = 38

I'm not sure but I think that first number there might be a 20 and not a 26. If that's true then, solving the same way you'd have

(x,y) = (8/5, 36)

3 0
3 years ago
The sum of the measures of the interior angles of a convex polygon is 1800 degrees? How many sides does the
AVprozaik [17]

Answer:

12 sides

Step-by-step explanation:

Given

Sum of interior angle = 1800 degrees

Required

Number of sides of the polygon

The sum of interior of a convex polygon is calculated using the following formula:

Sum = (n - 2) * 180

Where n is the number of sides of the polygon.

By substituting 1800 for Sum, we have

1800 = (n - 2) * 180

Divide through by 180

\frac{1800}{180} = \frac{(n - 2) * 180}{180}

10 = n - 2

Add 2 to both sides

10 + 2 = n - 2 + 2

12 = n

Re order

n = 12

Hence, the number of sides of the polygon is 12

6 0
3 years ago
Which column shows the individuals in the study?
natulia [17]

Using the definition of individual in a study, it is found that they are represented in the student column.

<h3>Who is the individual in a study?</h3>

It is the subject over which the study is applied, that is, the people, or the objects, that are surveyed.

In this problem, the students are surveyed to find the top vote-getter, hence the individuals are represented in the student column.

More can be learned about the definition of individual in a study at brainly.com/question/24830485

7 0
2 years ago
Four gallons of gas cost $16.80. what is the unit rate?
SashulF [63]
1 gallon is $4.20
16.80/5=4.20
4 0
3 years ago
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