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Effectus [21]
2 years ago
8

Can you help me?Answer the question please​

Mathematics
1 answer:
Harlamova29_29 [7]2 years ago
5 0

Hey there! :D

1. c - 7 = 32

To solve this problem, add the difference and the subtrahend of the given equation.

32 + 7 = \boxed{\sf 39}

Checking:

To check, simply substitute the conclusion on the unknown quantity.

39 (c) - 7 = 32

Thus, the equation was correct which gives us the answer that:

\large \boxed{ \sf {\: c = 39}}

\begin{gathered} \\ \end{gathered}

2. r + 4 = 39

To solve this problem, subtract the sum and the addend of the given equation.

39 - 4 = \boxed{\sf 35}

Checking:

To check, simply substitute the conclusion on the unknown quantity.

35 (r) + 4 = 39

Thus, the equation was correct which gives us the answer that:

\large\boxed{ \sf {r \: = \: 35}}

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Last one can anyone help me plz​
meriva

Answer:

  • (f - g)(x) = -x² + 2x +1

Step-by-step explanation:

Given

  • f(x) = 2x
  • g(x) = x² - 1
  • (f - g)(x) = ?

Solution

  • (f - g)(x) = 2x - (x² - 1) = 2x - x² + 1 = -x² + 2x +1
  • (f - g)(x) = -x² + 2x +1
5 0
3 years ago
A home has a triangular backyard. The second angle is 4degrees more than the first angle. The third angle is 20 degrees more tha
Nitella [24]
\left \{ {{y=2} \atop {x=2}} \right.
3 0
2 years ago
A triangle has an angle that measures 95°. The other two angles are in a ratio of 3:14. What are the measures of those two angle
Marta_Voda [28]

Answer: 15° and 70°

Step-by-step explanation:

The sum of angles of a triangle is 180.

One of the angle is given to be 95°, this means that the sum of the remaining two angles will be ;

180 - 95 =  85°

The ratio of the two sides is given to be 3 : 14

Calculating the angles of each ,the angle with the ratio 3 will be

3/17 x 85 = 15°

The angle with the ratio 14 will be

14/17 x 85 = 70°

Therefore : the measures of the two angles are : 15° and 70°

7 0
3 years ago
When do you can ride her bike .8 miles in six minutes how many miles can she ride her bike and 1.5 hours
Dafna11 [192]
They can ride their bike 12 miles because in 6 minutes they ride 0.8 miles so in 1.5 hours they ride 12 miles. 0.8 * 10 = 8 miles 1 hour so 0.8 * 5 = 4 miles 0.5 hours            8 miles + 4 miles =12 miles           1 hour + 0.5 hours = 1.5 hours
7 0
2 years ago
on a certain hot Summer's Day 613 people use the public swimming pool the daily prices are $1.75 for children $2.25 for adults t
Elodia [21]

389 children and 224 adults were at the pool that day.

Step-by-step explanation:

Cost of one child ticket = $1.75

Cost of one adult ticket = $2.25

Total people = 613

Total receipts worth = $1184.75

Let,

Number of children = x

Number of adults = y

According to given statement;

x+y=613    Eqn 1

1.75x+2.25y=1184.75    Eqn 2

Multiplying Eqn 1 by 1.75

1.75(x+y=613)\\1.75x+1.75y=1072.75\ \ \ Eqn\ 3

Subtracting Eqn 3 from Eqn 2

(1.75x+2.25y)-(1.75x+1.75y)=1184.75-1072.75\\1.75x+2.25y-1.75x-1.75y=112.00\\0.50y=112.00

Dividing both sides by 0.50

\frac{0.50y}{0.50}=\frac{112.00}{0.50}\\y=224

Putting y=224 in Eqn 1

x+224=613\\x=613-224\\x=389\\

389 children and 224 adults were at the pool that day.

Keywords: linear equation, subtraction

Learn more about linear equations at:

  • brainly.com/question/11236033
  • brainly.com/question/11306893

#LearnwithBrainly

6 0
3 years ago
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