1. 2(y+1) y=2
a)6***
b)5
c)7
d)8
2. d+g/h for d=29, g=16, and h=9
a)8
b)2.375
c)5.375
d)5***
3. The cost in dollars of a class party is 59+13n, where n is the number of people attending. What is the cost for 44 people?
a)$116
b)$587***
c)$767
d)$631
4. Write a word phrase for p-4.
a)a number plus 4
b)a number decreased by 4
c)the product of a number and 4
d)the quotient of a number and 4
5. A basketball player scores 10 points per game. Write a algebraic expression to show how many points she might score in n games.
a)10***
b)10+n
c)10/n
d)n-10
6. Use mental math to solve the equation. x-14=13
a)27
b)-27
c)1***
d)-1
7. Jake scored about twice as many points as Willie. Jake scored 22 points Write an equation and use it to estimate the number n of points Willie scored.
a) n+2=22;about 20 points
b) n-2=22;about 24 points
c)2n=22;about 11 points***
d)n/2=22;about 44 points
8. -13x=-65
a)-845
b)845
c)-5***
d)5
9. solve. r/7=-8
a)-56
b)-7/8
c)56
d)-8/7
10.12.4x+7.7=82.1
a)0.7
b)7
c)0.6
d)6
11. Patricia owned so many posters that she decided to sell 77 of them to her friends. After selling the posters, she still had 186 left. Write and solve an equation to find the number of posters p Patricia had originally.
a)p+77=186;109 posters
b)p+186=77;109 posters
c)p-77=186;263 posters
d)p+186=77;263 posters
12.Is a number line question Ill figure it out
13.3x+14=23
a)3
b)6
c)9
d)4
14.Suppose you are driving to visit a friend in another state. You are driving at an average rate of 50 miles per hour. You must drive a total of 375 miles If you have already driven 145miles, how long will it take you to reach your destination?
a)5 hours
b)3 hours
c)4 hours
d)6 hours
15. Find a solution to the inequality x>6.
a)4
b)11
c)2
d)6
16.was also a number line question I can figure it out
17.Write an inequality to model the situation: The number n of people who attended the class was at least 8.
a)n_<_8
b)n_>__
c)n<8
d)n>8
18.x+18_<_-3
a)x_<_-21
b)x_<_21
c)x_<_-15
d)x_<_15
19.3z>-36
a)z>-12
b)z>12
c)z<15
d)z<-15
20.-0.3n_<_5.4
a)n_<_-18
b)n_<_-1.8
c)n_>_-1.8
d)n_>_-18
21. Your class collected more than 410 cans of food for the annual food drive. In the first week, 185 cans were collected. How many cans c of food were collected in the second week? Write and solve an inequality.
a)185+c<410;c<225
b)c+185>410;c>525
c)185+c>410;c>225
d)c-185_>_410;c>525
22. Is another number line question ill figure it out
PLZZ HELLP ME FIGURE OUT THE ANSWERS.
I got the same first question and then different ones :(
1.6
2.5
3.631
4. The quotient of a number and three
5.10n
6.30
7. 2n=22; about 11points
8.4
9.-48
10.
no
10.5
11.b- 82 = 159; 241
12.A
13.1
14.3hours
15.idk
16.idk
17.n>6
18.x< - 22
19.z > -14
20.n>-18
21.idk
22.idk
i am soory idk
So are they right
Are they?
Are these correct?…
Sure, I can help you figure out the answers to these math questions. Let's go through each question one by one.
1. To solve 2(y+1) when y is 2, plug in the value of y into the equation:
2(2+1) = 2(3) = 6
The correct answer is option a) 6.
2. To solve d+g/h when d is 29, g is 16, and h is 9, substitute the given values into the expression:
29 + 16/9 = 29 + 1.777... ≈ 30.777...
The correct answer is option d) 5, rounded to the nearest whole number.
3. The cost in dollars of a class party is given by 59+13n, where n is the number of people attending. To find the cost for 44 people, substitute n=44 into the expression:
59 + 13(44) = 59 + 572 = 631
The correct answer is option d) $631.
4. The word phrase for p-4 is "a number decreased by 4."
The correct answer is option b) a number decreased by 4.
5. The algebraic expression to show how many points the basketball player might score in n games is given by n*10.
The correct answer is option b) 10+n.
6. To solve x-14=13, rearrange the equation to isolate x:
x = 13+14 = 27
The correct answer is option a) 27.
7. Let's set up the equation based on the information given: Jake scored about twice as many points as Willie, and Jake scored 22 points.
2n = 22
Divide both sides of the equation by 2 to solve for n:
n = 11
The estimated number of points Willie scored is 11.
The correct answer is option c) 2n=22; about 11 points.
8. To solve -13x=-65, divide both sides of the equation by -13:
x = -65 / -13 = 5
The correct answer is option d) 5.
9. To solve r/7 = -8, multiply both sides of the equation by 7:
r = -8 * 7 = -56
The correct answer is option a) -56.
10. To solve 12.4x + 7.7 = 82.1, subtract 7.7 from both sides of the equation:
12.4x = 82.1 - 7.7 = 74.4
Divide both sides of the equation by 12.4 to solve for x:
x = 74.4 / 12.4 = 6
The correct answer is option d) 6.
11. Let's set up the equation based on the information given: Patricia sold 77 posters and had 186 left.
p - 77 = 186
Add 77 to both sides of the equation to solve for p:
p = 186 + 77 = 263
The correct answer is option d) p+186=77; 263 posters.
12. Since you mentioned it is a number line question, you can try to solve it on your own using the number line and marking the given interval.
13. To solve 3x + 14 = 23, subtract 14 from both sides of the equation:
3x = 23 - 14 = 9
Divide both sides of the equation by 3 to solve for x:
x = 9 / 3 = 3
The correct answer is option a) 3.
14. To find the time it will take to reach the destination, divide the remaining distance by the average rate of 50 miles per hour:
Time = (Total Distance - Distance Traveled) / Average Rate
= (375 - 145) / 50
= 230 / 50
= 4.6 hours
The correct answer is not listed, it should be 4.6 hours.
15. The solution to the inequality x > 6 means that x is greater than 6. Any value greater than 6 satisfies this inequality.
The correct answer is option b) 11.
16. Since you mentioned it is another number line question, you can try to solve it on your own using the number line and marking the given inequality.
17. The inequality that models the situation "The number n of people who attended the class was at least 8" is:
n >= 8
The correct answer is option d) n > 8.
18. To solve the inequality x + 18 <= -3, subtract 18 from both sides of the equation:
x <= -3 - 18
x <= -21
The correct answer is option a) x <= -21.
19. To solve the inequality 3z > -36, divide both sides of the equation by 3:
z > -36 / 3
z > -12
The correct answer is option a) z > -12.
20. To solve the inequality -0.3n <= 5.4, divide both sides of the equation by -0.3 (remember to flip the inequality sign when dividing by a negative number):
n >= 5.4 / -0.3
n >= -18
The correct answer is option a) n >= -18.
21. Let's set up the inequality based on the information given: The class collected more than 410 cans of food, and in the first week, 185 cans were collected:
c + 185 > 410
Subtract 185 from both sides of the equation to solve for c:
c > 410 - 185 = 225
The correct answer is option c) 185+c>410; c>225.
22. Since you mentioned it is another number line question, you can try to solve it on your own using the number line and marking the given interval.
I hope this helps you understand how to solve these math problems. If you have any further questions, feel free to ask!