The number 2 in the expression 5 +2x is called the coefficient of x.how does changing the coefficient to 6 change the meaning of the expression

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Answer 1

Answer:

Answer:

would that be 12

Step-by-step explanation:

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A group of 18 people ordered soup and sandwiches for lunch. Each person in the group had either one soup or one sandwich. The sandwiches cost $7.75 each and the soups cost $4.50 each. If the total cost of all 18 lunches was $113.50, how many sandwiches were ordered? A. 7
B. 8
C. 9
D. 10

Answers

Let a be the number of soups ordered and b be the number of sandwiches ordered. We know that, a + b = 18, so a = 18 - b. Now we form an equation for the total cost, which is: 4.5a + 7.75b = 113.5. Now, we substitute the value of a into the cost equation to form a single equation in terms of b, number of sandwiches, only. 4.5(18 - b) + 7.75b = 113.5. Solving for b, we get b = 10. Therefore, the answer is D.

A coin is weighted so that the probability of getting heads is 0.70. If the coin is flipped twice, what is the probability of getting a tail followed by a head?

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Hello,

p=3/10*7/10=21/100=0.21
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Please help asap
graphing slope

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So to find the slope, its "rise over run" aka $(y_(2)-y_1)/(x_2-x_1)$

To find it, take two points on the graph, in this case I'll use (0,1) and (5,4). Just place them into the equation and solve.

$(4-1)/(5-0) \n \n (3)/(5)$

In short, 3/5 is the slope.

the slope would be 3/5

Round 446,221 to the nearest ten

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446,221 to the nearest ten is 446,220. This is because 1 is less than 5, and it’s only when a number is more than or equal to 5 that you round up to the nearest 10.

Y + 4 (less than) 1

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y less than -3 , hope it helped

Larry has saved $18,500 toward a down payment on a house. If he makes $3,890 a month , how much can he afford to spend on house? A. 100,000
B. 93,369
C. 111,860
D. 65,180