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Georgia [21]
3 years ago
12

10x-35+3ax=5ax-7a solve for "a" for which the equation is an identity.

Mathematics
2 answers:
Tresset [83]3 years ago
8 0
10x-35+3ax=5ax-7a \\\\ 3ax-5ax+7a = -10x+35 \\\\ -2ax+7a = -10x+35 \\\\ a(-2x+7)=-10x+35 \\\\ a= \frac{-10x+35}{-2x+7} \\\\ a = \frac{5(-2x+7)}{(-2x+7)} \\\\ a=5
ella [17]3 years ago
6 0
You can solve it by using PEMDAS

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HAVE A NICE DAY <br> WILL GIVE BRAINLST :)
seropon [69]

Answer:

3. 30 degrees

4. 46 degrees

5. 55 degrees

Step-by-step explanation:

3. Let it be x

85+65+X=180

150 + x = 180

x = 180 - 150

x = 30 degrees

4. Let it be x

104 + 30 + x = 180

134 + x = 180

x = 180 - 134

x = 46 degrees

5. Let it be x

x + 85 + 40 = 180

x + 125 = 180

x = 55 degrees

PLEASE GIVE ME BRAINLIEST PLSSS

6 0
3 years ago
Read 2 more answers
96.3 kg = blank g <br><br> A. 9,360<br> B. 0.0963<br> C. 9.63<br> D. 96,300
gtnhenbr [62]

Answer:

It is D

Step-by-step explanation:

5 0
3 years ago
In February, Campus Cycle Repair had income from sales of $16,000. Expenses for the month included: rent, $1,250; utilities, $45
djyliett [7]

Answer:

Profit $5700

Step-by-step explanation:

To find loss/profit you subtract the expenses from the total income

Income from sales= $16000

Franchise fee= 5% of sales income

=\frac{5}{100} *16000=800

Rent=$1250

Utilities=$450

Wages=$4800

insurance=$300

supplies=$2700

Total expenses

=$1250+$450+$4800+$300+$2700+$800=$10300

Total income

=$16000

Profit

=$16000-$10300=$5700

5 0
3 years ago
Decompose x^2+4x-3/x-2​
mariarad [96]

Answer:

\dfrac{x^3-2x^2+4x-3}{x-2}

Step-by-step explanation:

The given equation is :

x^2+\dfrac{4x-3}{x-2}

We need to decompose this equation.

We have,

x^2+\dfrac{4x-3}{x-2}\\\\=\dfrac{x^2(x-2)+4x-3}{x-2}\\\\=\dfrac{x^3-2x^2+4x-3}{x-2}

So, \dfrac{x^3-2x^2+4x-3}{x-2} is the decomposed form of the given expression.

5 0
3 years ago
What is the solution to this equation? 5(x - 6) + 4 = 7x - 4
dimaraw [331]

5(x - 6) + 4 = 7x - 4

5x - 30 + 4 = 7x - 4

5x - 26 = 7x - 4

5x - 26 + 4 = 7x

5x - 22 = 7x

-22 = 7x - 5x

-22 = 2x

-22 / 2 = x

-11 = x

x = -11 is the solution to the given equation

7 0
3 years ago
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