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Marat540 [252]
3 years ago
9

Find the sum 7a/a+5 + a/a-2

Mathematics
1 answer:
IRINA_888 [86]3 years ago
8 0

\dfrac{7a}{a+5}+\dfrac{a}{a-2} \\\dfrac{7a(a-2)+a(a+5)}{(a+5)(a-2)} \\\boxed{\dfrac{a(8a-9)}{(a+5)(a-2)}}

Hope this helps.

You might be interested in
Turn 40/50 into a decimal<br> Turn 293/1000 into a decimal
sweet [91]

40/50= 0.8

293/1000=0.293

Step-by-step explanation:

40/50

= 0.8

293/1000

Since the zeros are three,move three times from backwards to forward.

=0.293.

Hope it's useful.

Hope it's useful.If so,mark as brainliest.

5 0
2 years ago
Debbie has at most $60 to spend on a clothes she wants to buy a pair of jeans for $22 and spend the rest on t-shirts each t-shir
patriot [66]

The inequality to find the maximum number of t-shirts is:

22+8x\leq 60

Step-by-step explanation:

Debbie has at most $60 to spend

Then it will be <=60

Now she has to spend 22 dollars on jeans so 22 will be add to the initial amount for sure.

And

Let x be the number of t-shirts

Then the cost of x t-shirts will be 8x

Putting this in to inequality will be:

22+8x\leq 60

The inequality to find the maximum number of t-shirts is:

22+8x\leq 60

Keywords: Inequality

Learn more about inequalities at:

  • brainly.com/question/763150
  • brainly.com/question/750742

#LearnwithBrainly

7 0
3 years ago
20 points
irinina [24]

Answer:

(a) 9x^2+16x-4

(b) 9a(2a+5)

(c) (y-6)(y-4)

Step-by-step explanation:

(a)

(9x-2)(x+2)=

9x^2-2x+18x-4=

9x^2+16x-4

(b)

18a^2+45a=

9a(2a+5)

(c)

y^2-10y+24=

(y-6)(y-4)

Hope this helps!

4 0
2 years ago
The store is 15 min. away from my house, it takes 30 min. to get to and from the store. How come my dad isn't back with milk yet
coldgirl [10]

Answer:

What dad?

Step-by-step explanation:

he ran away. or hes with somebody

8 0
2 years ago
Read 2 more answers
Use the relationship between the
motikmotik

The equation x° = 180° - (37°+ 53°) can be used to find the value of x.

Step-by-step explanation:

Step 1; There are three lines in the given diagram. There are a baseline and two other lines. Out of the other two lines, one extends above and below the baseline whereas the other extends only above. Since the baseline is horizontal and the others are at angles we have the sum of all the three angles as 180° i.e. 37°, x°, and 53°.

37° + x° + 53° = 180°.

Step 2; To solve the value of x, we keep the unknown value at the left-hand side whereas all the known values are taken to the right side of the equation.

x° = 180° - (37°+ 53°).

So the fifth option can be used to determine the value of x.

4 0
3 years ago
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