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Mrrafil [7]
3 years ago
8

Solve: 5a + 6a = -11 What does A equal? A =

Mathematics
1 answer:
pochemuha3 years ago
8 0

Answer:

a = -1

Step-by-step explanation:

Combine like terms 6a + 5a = 11a

11a = -11

Divide -11 by 11

-11/11 = -1

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A bag contains 25 balls 20 of which are blue what percentage of balls are not blue
Artist 52 [7]

Answer:

20%

Step-by-step explanation:

20/25 = blue

This means 5/25 of the balls in the bag are NOT blue

(25-20 = 5)

We need to convert 5/25 to a percentage

\dfrac{5}{25} = \dfrac{5\times4}{25\times4}=\dfrac{20}{100}

% = per cent

"per" means "out of"

"cent" means "one hundred"

so

20/100 = 20%

7 0
2 years ago
A bag of dog food says that it now contains 20% more. Originally, it came with 63 ounces of dog food. How much dog food does the
Brrunno [24]

Answer:

75.6 ounces

Step-by-step explanation:

Step one.

Given data

we are told that the original quantity of food is 63 ounces

and the increase is in food is by 20%

Step two:

let us find the increase in ounces

=20/100*63

=0.2*63

=12.6 ounces

Hence the amount of food in the bag now is

=12.6+63

=75.6 ounces

5 0
3 years ago
What is the constant of proportionality for the equation y=1 1/2x?​
Dimas [21]

Answer:

<h3>hope it helps you see the attachment for further information... </h3>

<h3>regards..... </h3>

<h3>_addy_✨✨</h3>

6 0
3 years ago
Read 2 more answers
Earth has a radius of about 6400 km, the sun has a radius of about 7.0´105 km, and a rubber ball has a radius of 6.4 cm. if you
tresset_1 [31]
<span>700 cm
I might be wrong though
have fun with it</span>
4 0
3 years ago
What is an algebraic expression to find the number of squares in the border of a 75x75 grid?
tigry1 [53]

Answer:

Well, if the grip is 75 x 75, you can rule out that the grid is 75 squares in each border.

Step-by-step explanation:

75 x 75 = a x b

a= horizontal side lengths

b= vertical side lengths

Rule that a= 75 squares and b= 75 squares.

8 0
3 years ago
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