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svp [43]
3 years ago
7

Mr. Naxvip wrote the expression below to represent the number of

Mathematics
1 answer:
aliya0001 [1]3 years ago
4 0

Answer:

19

Step-by-step explanation:

b×3+5-1

=5×3+5-1

= 19

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Work out the percentage change to 2 decimal places when a price of £57.99 is decreased to £49.99.
IRISSAK [1]

Answer:

Percentage change in price = 13.80%

Step-by-step explanation:

Given that:

Original price = £57.99

Decreased price = £49.99

Difference = Original price - Decreased price

Difference = 57.99 - 49.99

Difference = £8.00

Percent change = \frac{Difference}{Original\ price}100

Percent change = \frac{8.00}{57.99}*100

Percent change in price = 13.80%

Hence,

Percentage change = 13.80%

5 0
3 years ago
Select ALL the true statements.
ss7ja [257]

Answer:

A.

C.

Step-by-step explanation:

A. When adding a negative number to a positive, you subtract. 2.3 - 2.3 will equal 0.

B. When adding two negative numbers, you get an even smaller negative number. (-3.7) + (-4.1) = -7.8

C. When subtracting a negative number, the two negative signs become a positive. -12/4 is equal to 3. -2.6 + 3 is 0.4, which is positive.

D. 5/2 is the same as 2.5. If you subtract 2.5 from 2.5, you will get 0, which is not negative.

E. Two negative signs make a positive, so 72 + 100 is positive, not negative.

8 0
2 years ago
If F(x)=2x/7+4, which of the following of the inverse of F(x)?
lions [1.4K]
Hello,

Answer D

y=2x/7+4
x=2y/7+4
(x-4)*7/2=y

5 0
3 years ago
Read 2 more answers
Anyone know where I can get these answers? <br> (There’s also a back but I can’t send it)
Nutka1998 [239]

Answer:

  • See below

Step-by-step explanation:

<u>Covert equations in standard form into slope-intercept form of y = mx + b</u>

<h3>#1</h3>
  • x - y = 3 ⇒ y = x - 3
<h3>#2</h3>
  • 5x + 3y = 6 ⇒ 3y = -5x + 6 ⇒ y = -5/3x + 2
<h3>#3</h3>
  • x - 2y = 2 ⇒ 2y = x - 2 ⇒ y = 1/2x - 1
<h3>#4</h3>
  • 3x + 2y = -8 ⇒ 2y = -3x - 8 ⇒ y = -3/2x - 4
4 0
3 years ago
Select the correct answer.
ratelena [41]

Answer:

A.x(x+12) -7(x+12)

Step-by-step explanation:

Factoring is the process of taking common terms out of an expression such that one can represent the expression as the result of smaller values. When given the following expression:

x^2 +5x - 84

First, represent the linear term as the sum of two terms such that each term shares a common factor with the other terms in the expression.

x^2 +12x - 7x - 84

Now take out the common factors,

x(x+12) -7(x+12)

Thus, the correct option is choice (A).

5 0
2 years ago
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