All categories

3 years ago

I need help please & thank you

Mathematics

2 answers:

White raven [17]3 years ago

5 0

3(2c+d)-4(c-d)+d^2

c=1 , d=3

Use the substitution method

3(2*1+3)-4(1-3)+3^2

Multiply the brackets

3(2+3)-4+12+9

6+9-4+12+9

15-4+12+9

11+21

=32

Answer: 32

kipiarov [429]3 years ago

5 0

Answer:

Step-by-step explanation:

3(2c + d) - 4(c - d) + d^2

Substitute c = 1 and d = 3:

3 * (2*1 + 3) - 4(1 - 3) + 3^2

= 3*5 - 4(-2) + 9

= 15 + 8 + 9

= 32.

You might be interested in

Which graph represents this system? 2 x minus 5 y = negative 5. y = two-fifths x + 1.

Softa [21]

Answer:

The answer is the first graph.

Step-by-step explanation:

I did it on edge. I got it wrong the first time because I used an answer from this question. Because of that, I reported it. Now I have the correct answer lol.

6 0

3 years ago

Read 2 more answers

Describe two situations in which opposite quantities combine to make zero

Oxana [17]

When one number is negative and the other is positive.

3 0

3 years ago

Read 2 more answers

What does 7/3 + (-3/8) equal?

AlekseyPX

The correct answer is 1 23/24. Hope this helps.

3 0

4 years ago

Write the contrapositive and the converse of the following conditional

Lunna [17]

The contrapositive statement are:

If the lake is frozen, then it isn't cold.
If Solomon is happy, then he isn't healthy.
If Tigist does not take a walk, then it will not rain

<h3>What is the converse statement?</h3>

The converse statement are:

If the late is frozen, then it is cold.
If Solomon is happy, then he is healthy.
If Tigist Tigist does not take a walk, then it will rain.

Note that the converse of a statement is created by the act of switching the hypothesis given and also the conclusion.

Therefore, The contrapositive statement are

If the lake is frozen, then it isn't cold.
If Solomon is happy, then he isn't healthy.
If Tigist does not take a walk, then it will not rain

Learn more about contrapositive statement from

brainly.com/question/1713053

#SPJ1

6 0

2 years ago

Read 2 more answers

Find the quotient of -85^2-27n+76 / -17n-19

bagirrra123 [75]

Answer:
5n-4

Explanation:
The given expression is:
$\frac{-85n^2-27n+76}{-17n-19}$

1- Take the negative as a common factor from both the numerator and the denominator. This will give us:
$\frac{-(85n^2+27n-76)}{-(17n+19)}$

2- Cancel out the negative sign (common factor) from the numerator and denominator. This will give us:
$\frac{(85n^2+27n-76)}{(17n+19)}$

3- Factor the numerator. This wil give:
$\frac{(5n-4)(17n+19)}{(17n+19)}$

4- Finally, cancel out the (17n+19) which common in both numerator and denominator. This will give us the final expression:
5n-4

Hope this helps :)

6 0

3 years ago