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WARRIOR [948]
3 years ago
7

Half of a number decreased by 27

Mathematics
1 answer:
bija089 [108]3 years ago
3 0

"Half of a number decreased by 27" can be displayed as:

<u>1/2x - 27</u>

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In a basketball game, a regular basket was worth 2 points and a long-distance basket was worth 3 points. If there were 45 basket
-BARSIC- [3]

Answer:

B. r + l = 45; 2r + 3l = 96

39 regular; 6 long-distance

Step-by-step explanation:

There were 45 baskets, so

(1) r + l = 45

There were 96 points in the game, so

(2) 2r + 3l = 96

Solve equation (1) for l

                    l = 45 – r     Substitute the value for l in Equation (2)

2r + 3(45 – r) = 96      Remove parentheses

 2r + 135 - 3r = 96      Combine like terms

         -r + 135 = 96      Subtract 135 from each side

                  -r = -39      Multiply each side by -1

                  r = 39      Substitute the value of r in Equation (1)

           39 + l = 45        Subtract 39 from each side

                   l = 6

===============

Check:

(1) 39 + 6 = 45

         45 = 45

(2) 2×39 + 3×6 = 96

           78 + 18 = 96

                   96 = 96


4 0
3 years ago
Estimate the number 7.616 to show that the number 76.16 is not correct.
Olenka [21]

Answer: there is a one decimal placement difference

Step-by-step explanation:

7.616 is one decimal less than 76.16 essentially meaning it’s 10 times more than 7.616

4 0
3 years ago
(6x+2)^2=36x^2+Bx+4 How Would You Answer That. I'm Not That Good At Algebra.
Verizon [17]

Let's multiply out the equation 6x+2 times 6x+2 using the square. Draw a 2 by 2 bow and put the equation across the bottom and verically. Multiply across to get this. 6x times 6x =36x^2 6x times two =12x do it again and get 12x. 2*2=4. That means x would equal 24.

8 0
3 years ago
Which interval is the solution set to 0.35x - 4.8&lt;5.2- 0.9x
stiks02 [169]

Answer:

Solution set {x|x<8}

Step-by-step explanation:

0.35x - 4.8<5.2- 0.9x

0.35x+0.9x<5.2+4.8

1.25x<10

x<10/1.25

x<8

Solution set {x|x<8}

4 0
3 years ago
Read 2 more answers
Please help will give brainliest
kotykmax [81]

Answer:

c

Step-by-step explanation:

10 times 8 = 80

80 times 3 = 240

5 0
3 years ago
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