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Margaret [11]
3 years ago
8

Select the correct description for the expression 5(x-7)

Mathematics
2 answers:
Alex17521 [72]3 years ago
7 0

Answer:

The correct answer is D

Step-by-step explanation:

My reason for giving this answer is because this problem is written in expression form. Since there is a variable in the expression, You cannot solve X-7 without outside information on the value of X. So D would be the answer because The answer to a multiplication problem is called the product, Then the answer to a subtraction problem is a difference. Answer D says "The product of a number and a difference", Which would mean multiplication and subtraction.

Hope this helped!

Anettt [7]3 years ago
3 0

Answer:

d

Step-by-step explanation:

i got it

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Simpligy the expression 7(x+7)-3(x+3)
Irina18 [472]

We will use the distributive property, where a(b+c) = ab+ac and a(b-c) = ab-ac.

7(x+7)-3(x+3)

=7x+49-(3x+9)

=4x+40

Therefore, the simplified expression is 4x+40.

6 0
3 years ago
2<br> Simplify the expression by combining like terms.<br> 2x + 4y + 6 + 2y - 5+ 3x<br> &lt;
Katen [24]

Answer:

5x + 6y + 1

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
Twice sum of j and 4?​
andrew11 [14]

Answer:

2j+8

Step-by-step explanation:

2(j+4) .    use distributive property

2j+8

8 0
3 years ago
Which of the following shows the factors of 5x2 + 17x + 6? A. (5x + 1)(x + 6) B. (5x + 2)(x + 3) C. (5x + 3)(x + 2) D. (5x + 6)(
zysi [14]

Answer:

B. (x+3)(5x+2)

Step-by-step explanation:

The given quadratic trinomial is;

5x^2+17x+6

Comparing this to ax^2+bx+c, we have a=5,b=17,c=6.

ac=5\times6=30

Two factors of 30 that add up to 17 is 15  and 2.

We split the middle term to obtain;

5x^2+15x+2x+6

We factor by grouping;

5x(x+3)+2(x+3)

Factor further

(x+3)(5x+2)

The correct answer is B.

5 0
3 years ago
Read 2 more answers
7. On Thursday, Kim purchased a medium iced caramel latte and a blueberry muffin for $5.18. Then, on Friday, Kim
sashaice [31]

Answer:

Cost of medium iced caramel latte = $3.59

Step-by-step explanation:

Assume;

Cost of medium iced caramel latte = x

Cost of blueberry muffin = y

So,

On Thursday

x + y = 5.18......eq1

On Friday

2x + 3y = 11.95.....eq2

Eq1 × 3

3x + 3y = 15.54......eq3

eq3 - eq2

x = 3.59

Cost of medium iced caramel latte = $3.59

4 0
2 years ago
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