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Drupady [299]
3 years ago
5

Eight substrate from two times a number

Mathematics
2 answers:
pychu [463]3 years ago
8 0

Answer:

0

Step-by-step explanation:

The first step is to write an equation, so we need a variable for the number

 

I am going to use X to represent the number

 

Two times the number becomes 2X

 

now difference implies subtraction , so

 

The difference of two times a number and eight is zero can be written as

 

2X - 8 = 0

 

Now that we have an equation we solve for x

 

(Add eight to both sides and divide by 2)

oee [108]3 years ago
5 0

Answer:

sorry don't know

Step-by-step explanation:

I just need points I can't ask question

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HELP ME PLS I DONT UNDERSTAND :( WILL MARK BRAINLIEST!!
Viktor [21]

Answer:

c

Step-by-step explanation:

To solve the equation we just substitute x with 7

so

5(7+3)

5*10

50

so the answer is c

(plz give brainliest)

3 0
3 years ago
In a basketball game, Team A defeated Team B with a score of 97 to 63. Team A won by scoring a combination of two-point baskets,
-BARSIC- [3]

Answer:

14 free throw baskets , 25 two point baskets and 11 three point baskets

Step-by-step explanation:

Let n₁ represent the number of free-throw baskets, n₂ represent the number of two point baskets and n₃ represent the number of three point baskets.

Now, from the question, the number of two point baskets, n₂ is greater than the free throw baskets by 11. This is written as n₂ = n₁ + 11. Also, the number of three point baskets n₃ is three less than the number of free point baskets. This is written as n₃ = n₂ - 3. Since our total number of points equals 97, it follows that, sum of number of points multiplied by each point equals 97. So, ∑(number of points × each point) = 97. Thus,

n₁ + 2n₂ + 3n₃ = 97. Substituting n₂ and n₃ from above, we have n₁ +2(n₁ + 11) + 3(n₁ - 3) = 97.

Expanding the brackets, we have, n₁ + 2n₁ + 22 + 3n₁ - 9 = 97

collecting like terms, we have 6n₁ + 13 = 97

6n₁ = 97 - 13

6n₁ = 84

dividing through by n₁ we have, n₁ = 84/6 =14

so n₁ our free throw baskets equals 14. Substituting this into n₂ our number of two point baskets equals n₂ = n₁ + 11 = 14 + 11 = 25. Our number of three point baskets n₃ = n₁ - 3. So, n₃ = 14 -3 = 11.

7 0
3 years ago
Read 2 more answers
Need Explanation For This Asap! &lt;3<br> 528 cm2<br> 538 cm2 <br> 558 cm2
blsea [12.9K]

Answer:

528 cm²

Step-by-step explanation:

The surface area of this prism comprises:

  • 2 congruent triangles (the bases of the prism)
  • 2 congruent rectangles (rectangle 1 and 2) - since the triangle has 2 sides of equal length
  • 1 rectangle (rectangle 3)

Area of a triangle = 1/2 × base × height

                             = 1/2 × 16 × 6

                             = 48 cm²

Area of rectangle 1 / 2 = width × length

                                     = 10 × 12

                                     = 120 cm²

Area of rectangle 3 = width × length

                                = 16 × 12

                                = 192 cm²

Total Surface Area = 2 triangles + 2 rectangles + rectangle 3

                                = (2 × 48) + (2 × 120) + 192

                                = 96 + 240 + 192

                                = 528 cm²

7 0
2 years ago
Read 2 more answers
PLEASE HELP WILL GIVE BRAINLIEST<br><br><br> What is the first step in solving the equation
Shkiper50 [21]
I velieve u multiply the 3s to cancel eachother out
6 0
4 years ago
Read 2 more answers
On easter morning 20 eggs were hidden kyla found 1/2 of them kevin found 1/4 of them what fraction of eggs were left to find
kotykmax [81]
\frac{1}{2}*20= 10 &#10; and \frac{1}{4}*20= 5
This means that Kayle found 10 eggs while Kevin found 5 eggs.
so 20-(10+5)= 5 eggs left.
To find the fraction, divide the number of eggs left over the number of total eggs.
Fraction= \frac{5}{20}= \frac{1}{4}

Hope this helps!
3 0
4 years ago
Read 2 more answers
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