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deff fn [24]
3 years ago
13

How do you determine if two numbers or expressions are equal,equation,and expression

Mathematics
1 answer:
Musya8 [376]3 years ago
7 0
If you plug in the same variable value into equivalent expressions, they each will give you the same value when you simplify.
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The function
maks197457 [2]

Answer: What??????

Step-by-step explanation:

im ll years old

8 0
2 years ago
A pair of headphones is on sale for 15% off. What percent of the regular price is the sale price? Explain your thinking.
Elina [12.6K]

Answer:

85%

Step-by-step explanation:

Generally, you pay 100% of the total cost. However, you get 15% off. This means that all you have to do is 100-15 to get 85.

6 0
3 years ago
Which graph represents y = –2x?
Andrei [34K]

Solution:

<u>In this case, we are given:</u>

  • Equation: y = -2x
  • Slope = -2
  • y-intercept = 0

Looking at Option A, we can tell that its <u>slope is -2 and y-intercept is 0.</u>

Since this is matching with the info we are given, Option A is correct.

7 0
2 years ago
first person who answer correctly gets a brainllest The perimeter of a rectangle is 64 feet. The length of the rectangle is 3 ti
anastassius [24]

Answer:

2(3(8))+2(8)=64

Step-by-step explanation:

Here, w represents the width of the rectangle,

∵ length of the rectangle is 3 times the width of the rectangle,

So, length = 3w,

Since, the perimeter of a rectangle, P = 2(length + width)

= 2(w + 3w)

= 2w + 2(3w)

If P = 64 feet,

⇒ 2w +2(3w) = 64

⇒ 2w + 6w = 64

⇒ 8w = 64

⇒ w = 8

Verification :

P = 2(8) + 2((3(8)) = 16 + 48 = 64 feet

Hence, the first step that should be taken to verify that the width of the rectangle is 8 is 2(3(8))+2(8)=64

Note : a solution obtain from an equation is verified by substituting the value in the equation.

6 0
3 years ago
PLEASE HELP and explain! ill give brainliest if you do
EastWind [94]

Area of the rectangle

= l  \times b

= 8 \times 6

= 48 {in}^{2}

Area of the semicircles

= 2 \times ( \frac{1}{2} \pi {r}^{2} )

= \pi {r}^{2}

= \pi {3}^{2}

= 9\pi

= 9 \times 3.14

= 28.26 {in}^{2}

Area of the figure

= 48 + 28.26

= 76.26 {in}^{2}

= 76.3in²

(rounded)

6 0
2 years ago
Read 2 more answers
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