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Alexxandr [17]
3 years ago
10

Noor has 4 cups of hot chocolate in his thermos. He offers 5/8 cup servings of hot chocolate to some friends. What is the greate

st number of friends Noor can offer hot chocolate to?
Mathematics
1 answer:
Tanzania [10]3 years ago
8 0

Answer: 6.4


Step-by-step explanation:

4 / (5/8) =   4/1 x 8/5 = 32/5 = 6.4   you invert 5/8 then multiply

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Five times the sum of a number and 27 is greater than or equal to six times the sum of that num
stepladder [879]

Question:

Five times the sum of a number and 27 is greater than or equal to six times the sum of that number and 26.

What is the solution set of this problem?

Answer:

x \leq -21

Step-by-step explanation:

Given

<em>Represent the number with x</em>

So:

5 * (x + 27) \geq 6 * (x + 26)

Required

Determine the solution set

5 * (x + 27) \geq 6 * (x + 26)

Open Both Brackets

5 * x + 5 * 27 \geq 6 *x + 6 * 26

5x + 135 \geq 6x + 156

Collect Like Terms

5x - 6x \geq 156-135

- x \geq 21

Multiply both sides by -1

x \leq -21

Hence, the solution set is x \leq -21

7 0
3 years ago
Solve for x. Your answer must be simplified. -7x &gt; 10
andre [41]
The answer to this is x < -10/7
5 0
3 years ago
Which expression has the same value as the one below?
mihalych1998 [28]

Answer:

Option A

Step-by-step explanation:

22+(-32) is the same thing as 22-32.

22-32=-10

<h3>Let's see if the given options are equal:</h3>

Option A:

22+(-22)+(-10) \\22-22-10\leftarrow \text{Distribute -1 into the Parentheses.} \\0-10\\\boxed {-10}

Option A's expression has the same value as the expression given.

Option B:

22+(22)+(-10)

22+22-10\\44-10\\\boxed {34}

Option B's expression does not have the same value as the expression given.

Option C:

22+(-22)+(10)\\22-22+10\\0+10\\\boxed {10}

Option C's expression does not have the same value as the expression given.

Option D:

22+0+32\\22+32\\\boxed{54}

Option D's expression does not have the same value as the expression given.

<h3>The correct answer should be A: 22+(-22)+(-10).</h3>
5 0
3 years ago
Read 2 more answers
Solve the equation 4z^2 + 4z -9 = 0 by completeing the square<br><br><br>​
nasty-shy [4]

Answer:

z=(sqrt(10)-1)/2 or z= -(sqrt(10)-1)//2

Step-by-step explanation:

To complete the square, the last term has to be 1. So adding 10 to both sides, we get:

4z^2+4z+1 = 10

Since 4z^2+4z+1=(2z+1)^2,

(2z+1)^2 = 10.

Taking the square root of both sides, we get

2z+1=sqrt(10) or 2z+1=-sqrt(10)

So z=(sqrt(10)-1)/2 or z= -(sqrt(10)-1)//2

3 0
3 years ago
Solve for x.<br> -30 = 5(x + 1) <br>x=​
Alecsey [184]

Answer: -7

Step-by-step explanation:

-30 = 5(x + 1)

-30 = 5x + 5.  ( After distrbuting the 5)

-5.            -5

-30 - 5. = 5x

-35 = 5x

x = -7

5 0
3 years ago
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