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statuscvo [17]
2 years ago
14

Combine like term 2a - 6 + 6 =

Mathematics
2 answers:
Serggg [28]2 years ago
7 0

Answer:

Let's simplify step-by-step.

2a−6+6

=2a+−6+6

Combine Like Terms:

=2a+−6+6

=(2a)+(−6+6)

=2a

Answer:

=2a

Murrr4er [49]2 years ago
5 0

Answer:

2a

Step-by-step explanation:

-6 and +6 cancel out leaving the 2a by itself.

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What is the product of 2.5 × 10−15 and 3.9 × 1026? 6.4 × 101 9.75 × 1011 6.4 × 1041 9.75 × 1041
Doss [256]

(2.5*10^{-15})(3.9*10^{26}). We begin by multiplying the "regular" numbers first. 2.5 × 3.9 = 9.75. That's good; it's already in the proper format for scientific notation. Now we multiply the bases of 10 with their exponents. Since the bases are both 10, they are like. When we multiply like bases, we add their exponents. 10^{-15+26}=10^{11}. Our answer then is 9.75*10^{11}. There you go!

5 0
3 years ago
Read 2 more answers
Draw a picture to show how 2/3 of jakes pizza can be equal to 3/6 of a pizza from als
Harlamova29_29 [7]
2/3 of a pizza is more than half of the pizza.


3/6 = 1/2, so 3/6 of a pizza is exactly half of the pizza.


Given that two pizzas are of different sizes you need to calculate the areas of each pizza and compare them.


Assumming that the two pizzas are circular, you can calculate the area of each pizza from the formula of the area for a circle:


Area of a circle = π * (radius)^2.



Call r the radius of Jake's pizza and R the radius of Al's pizza. Then:


Area of Jake's pizza = π (r^2) and 2/3 of that is: 2π(r^2) / 3.


Area of Al's pizza = π (R^2) and 1/2 of that is π(R^2)/2


So, what you have to do is to use the radius of each pizza, calculate above formulaes and verify whether the results are the same or not.
3 0
3 years ago
Simplify the expression<br><br> 14+2y+3-6y
san4es73 [151]
<span>14+2y+3-6y=
14+3+2y-6y=
17-4y</span>
8 0
3 years ago
Read 2 more answers
3/7 of the people living in the apartment building are men. 5/8 of the remaining are women. The rest are children. A total of 27
Vladimir [108]
People in building ---- x (men, women and children)
children --- y
men + women + children = x
(3/7)x + (5/8)(4/7)x + y = x
3x/7 + 5x/14 + y = x
times 14
6x + 5x + 14y = 14x
14y = 3x

y + 220 =x
sub into the other one
14y = 3(y+220)
11y = 660
y = 60
then 14(60) = 3x ---> x = 280

So we have 280 people in the building.

check: 3/7 of 280 are men = 120
leaving 160 women and children
5/8 of these ot 100 are women

so we have 120 men, 100 women and 60 children!

hope this is right! have a great. day
7 0
3 years ago
LITERAL EQUATIONS: A literal equation is one consisting of all letters (or at least mostly letters). The Latin word literalis me
Crank

Answer:

D. b = r+z

Step-by-step explanation:

Given the expression b-r = z, we are to solve for b. To do this, we will add 'r' to both sides of the equation as shown;

b-r+r = z+r

Since -r+r = 0, substitute:

b+0 = z+r

b = z+r

Hence the resulting equation when r is added to both sides of the equation is b = z+r

Hence option D is correct

6 0
3 years ago
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