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MAVERICK [17]
3 years ago
6

Which equivalent expression?

Mathematics
1 answer:
Leni [432]3 years ago
4 0

Answer:

D)  - 69q +74

Step-by-step explanation:

8 ( 10 - 6q ) + 3 ( -7q - 2)

= 80 - 48q -21q - 6

= 80 - 69q - 6

=  - 69q +74

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Round off 4095 nearest hundreds​
ivolga24 [154]

Answer:

4100

Step-by-step explanation:

Rounding means making a number simpler but keeping its value close to what it was. Visual image below of showing different places to round. Given to make rounding's more clear and easier for you.

6 0
2 years ago
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5x (x+8)= - 7 quadratic or not? explain, ​
mote1985 [20]

Answer:

Step-by-step explanation:

Yes it is a quadratic equation

5x^2 + 40x = -7

5x^2 + 40x + 7 = 0

a = 5

b = 40

c = 7

-40/10 <u>+</u> (sqrt(1600 - 4(5)(7)))/10

-4 <u>+</u> (sqrt(1600-160))/10

-4 <u>+</u> (sqrt(1440))/10

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6 0
4 years ago
Which of the following equations is quadratic?
Dominik [7]

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C

Step-by-step explanation:

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6 0
3 years ago
What is the inverse of f(x)=4x
Allisa [31]
The sum can be rewritten as y=4x, where y=f(x).
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3 0
4 years ago
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PLEASE HELP ME ASAP! Giving brainliest<br> SHOW YOUR WORK FOR BOTH QUESTIONS
EleoNora [17]

Answer:

The Proof for question no 20 and 21 are below.

Step-by-step explanation:

20.

Given:

∠PTR≅∠RSP

PT ≅ RS

To Prove:

ΔPQT ≅ ΔRQS

Proof:

In ΔPQT and ΔRQS

Statements                    Reasons

1. ∠PTR ≅ ∠RSP       1 .Given

2. ∠PQT ≅ ∠ROS     2. Vertical Opposite Angle Theorem.

3. PT ≅ RS                3. Given

4. ΔPQT ≅ ΔRQS     4. By A-A-S Congruence Postulate ....Proved

21.

Given:

PO ≅ SO

O is the Mid Point of NT

To Prove:

∠N ≅ ∠T

Proof:

In ΔPON and ΔSOT

Statements                    Reasons

1. PO ≅ S O              1 .Given

2. ∠PON ≅ ∠SOT    2. Vertical Opposite Angle Theorem.

3. NO ≅ TO              3. O is the Mid Point of NT

4. ΔPON ≅ ΔSOT    4. By S-A-S Congruence Postulate

5. ∠N ≅ ∠T               5. Corresponding Parts of Congruent Triangles are Congruent .( CPCTC )...Proved

3 0
3 years ago
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