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ankoles [38]
3 years ago
13

Which expressions are equivalent to -6z+ (-5.5) +3.5z + 5y - 2.5?

Mathematics
2 answers:
TiliK225 [7]3 years ago
4 0

Answer:

-2.5z + 5y -8

Step-by-step explanation:

-6z+ (-5.5) +3.5z + 5y - 2.5

[-6z +3.5z] + 5y + [-2.5+ (-5.5)]     Combine like terms.

[-2.5z] + 5y + (-8)]

-2.5z + 5y -8

Molodets [167]3 years ago
3 0

Answer:

what the heck its too much to me

Step-by-step explanation:

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3(x+7)=6(x+2) help plz!!
VikaD [51]

Answer:

x=3

Step-by-step explanation:

4 0
3 years ago
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HELP ME PLEASEEEE, I need help check the picture and if its right i will mark brainliest
hichkok12 [17]

Answer:

x=2

Step-by-step explanation:

5 0
4 years ago
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Write the prime factorization for 65,169
posledela

Let's try to find some primes that divide this number.

The number is not divisible by 2, because it is odd.

The number is divisible by 3 though, because the sum of its digits is:

6+5+1+6+9=27=3\cdot 9

So, we can divide the number by 3 and keep going with the factorization:

65169\div 3 = 21723

This number is again divisible by 3, because

2+1+7+2+3 = 15 = 3\cdot 5

We have

21723\div 3 = 7241

This number is no longer divisible by 3. Let's go on looking for primes that divide it: 5 doesn't because the number doesn't end in 0 nor 5. This number is not divisible by 7 or 11 either (just try). It is divisible by 13 though: we have

7241\div 13 = 557

And 557 is prime, so we're done. This means that the prime factorization of 65169 is

3^2\cdot 13 \cdot 557

8 0
3 years ago
What is the midpoint of the line segment with endpoints(-2,-2) and (4,6)
Ann [662]

Answer:

The midpoint of points (-2,-2)\ and\ (4,6) is (1,2).

Step-by-step explanation:

Given points are (-2,-2)\ and\ (4,6). We need to find the midpoint of the line segment.

The formula of finding midpoints between the point (x_1,y_1)\ and\ (x_2,y_2) is

(\frac{x_1+x_2}{2}),(\frac{y_1+y_2}{2})\ Equation(1)

W have points (x_1,y_1)=(-2,-2). And (x_2,y_2)=(4,6)

Let us plug the value in Equation (1)

(\frac{-2+4}{2} ),(\frac{-2+6}{2})

(\frac{2}{2}),(\frac{4}{2})\\ \\(1,2)

So, the midpoint of points (-2,-2)\ and\ (4,6) is (1,2).

3 0
4 years ago
Please help me<br> Solve for x.<br> a) 30<br> b) 27<br> c) 33
OlgaM077 [116]

Answer:

x = 27

Step-by-step explanation:

The angle at any point on a straight line is 180 degrees.

The middle line over there is creating a right angle which is 90 degrees.

This must mean that both sides are 90 degrees.

3x+9 = 90

3x = 81

x = 27

4 0
3 years ago
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