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suter [353]
3 years ago
6

4/9x + 1/5x =58 need help solving this

Mathematics
1 answer:
iogann1982 [59]3 years ago
6 0

Answer:

x=90

Step-by-step explanation:

First, it would help to make it so that the x's are not next to fractions. To do this, you can multiply all terms in the equation by 45. 45 is the closest common factor of 9 and 5, the denominators of the fractions. The answer would be;

20x+9x=2610

Then solve.

29x=2610

x=90

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Identify the slope of the line given in the table: Identify the y-intercept of the line given in the table: Identify the slope o
allsm [11]

Answer:

the answer is.....

Step-by-step explanation:

the first one is -1/4

the second one is -4

the third one is 3/2

and the fourth one is 1

plz mark this the brainliest! :)

7 0
3 years ago
I could really use some help with this!!!
Juliette [100K]
With what do you need help with??
8 0
2 years ago
The ratio of red marbles to blue marbles in a bag is 3:4 . If there are 42 marbles in the bag. how many marbles are red?
PolarNik [594]

Answer:

18 marbles

Step-by-step explanation:

Step 1

Express the fraction of each type of marble as a function of the total number of marbles as shown;

Let;

total marbles=x

red marbles=3/(3+4)=3/7x

blue marbles=4/7 x

But x=42 marbles

The total number of marbles for each type can be expressed as;

total number of red marbles=fraction of red marbles×total number of marbles

where;

fraction of red marbles=3/7 x

total number of marbles=42

replacing;

total number of red marbles=(3/7)×42=18 marbles

total number of blue marbles=fraction of blue marbles×total number of marbles

where;

fraction of blue marbles=4/7 x

total number of marbles=42

replacing;

total number of blue marbles=(4/7)×42=24 marbles

5 0
2 years ago
Gracie is shipping a cube shaped box. It measures 14in x 14in x 14in. What is the surface area of the box?
DanielleElmas [232]
14× 14 = 196 area of 1 of the squares. on a cube there are 6 squares so multiply 196 by 6

196 × 6 = 1176 sq in
8 0
3 years ago
What is the sum?? need help
SOVA2 [1]
43+35=78 the answer is 78
3 0
3 years ago
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