Mathematics Middle School

Gerald says that the number of hours he spends exercising each week is proportional. Last week he exercised for 3 days, and exercised a total of 6 hours. This week he exercised a total of 8 hours over 4 days. Is his exercise last week proportional to his exercise this week? Explain your thinking.

Answers

Answer 1

Answer:

1/3t - 8= -6

1/3t= 2

t= 2 1/3

t= 6.06

Step-by-step explanation: 6, i looked it up

Answer 2

Yes what he said is correct

Related Questions

Solve the equation using mental math x-1/5 = 4 2/5

Answers

Answer:

Exact Form:

x = 23 /5

Decimal Form:

x = 4.6

Mixed Number Form:

x = 4 wholes 3/5

Step-by-step eplanation:

Help, please. WILL GIVE BRAINLIEST

A) (1.8,0.4)

B) (2.2,0.1)

C) (2.3 , 0)

D) (2.6, -0.2)

Answers

It’s b because I had that on my paper

A group of students is timed while sprinting 100 meters. Each student’s speed can be found by dividing 100 m by their time. Is each statement true or false?

Select the correct choice for each statement then explain your reasoning.

1. Speed is a function of time.
2. Time is a function of distance.
3. Speed is a function of number of students racing.
4. Time is a function of speed.

Answers

Answer:

The true statements are (a) and (d)

Step-by-step explanation:

(a). Speed is a function of time : As seen from equation (1) Speed of the students varies according to the value of time. So, This a true statement.

(b). Time is a function of distance : Distance is not varying in the equation (1), it is fixed to be 100. So, time is not a function of distance because here the distance is made constant. So, This is false statement.

(c). Speed is a function of number of students racing : Speed is not depending on the number of students racing so sped is independent of the number of the students racing. Therefore, Speed is not a function of number of students racing. This is False statement.

(d). Time is a function of speed : As seen from equation (1) Time of the students varies according to the value of their speed. So, This a true statement.

The true statements are (a) and (d).

The true statement are (a) and (b)

Justin and his friend Dan went to the movies. If they each bought popcorn for $4.25 and a soda for $2.25, what was their total bill after adding 5 ¼ % sales tax?

Answers

Answer:$6.84

Step-by-step explanation:

$4.25 + $2.25 = $6.50

5 1/4% in decimal form is 5.25%

6.50 multiplied by 5.25% = $0.34

$6.50 + $0.34 = $6.84

The answer is £6.82.

A bag of Jolly Ranchers contains:

2 red
1 blue
4 pink
3 green
5 purple

Ms. McCorkle will select 2 Jolly Ranchers, without replacement. What is the probability that she will select a purple, then a green? Your answer should be a simplified fraction.

Answers

the chance she takes a purple is 5/15
simplified is 1/3
the chance she selects green is 3/15
simplified is 1/5
1/3 times 1/5 is 1/15

is (12,6) a solution to y=-x+7?

Answers

No (x,y) so 6=-12+7 is incorrect

Y=-x+7
6=-12+7
6=-5
Not true

Can anyone do any of these? :[

Answers

Answer:

yes # 7

Step-by-step explanation:

729 times 59049

59778 is the answer

Yes , Question number 8

Answer: 5x^5 y^2

Explanation:

45x^3y / 9 * x^2 y
Do 45/9
: 5
: 5x^3 * x^2

Then combine-
: 5x ^ 3 + 2
: 5x ^ 5
: 5x^5 * (y*y)
:5x^5 y^2

Answer: 5x^5 y^2

Please help me life is confusing me today also good morning shawty bae

Answers

Answer:

oooffff

Step-by-step explanation:

Answers:

1. 6, 2. 36, 3. 216, 4. 1296, 5. 7776, 6. 46656, 7. 279936

Step-by-step explanation:

your just multiply 6 to its power 6 to the 2nd power is 36 6 to the 3rd power is 216 and so on

Jennifer is taking a five question true or false test if she guesses each time what is the probability that she will get them all right?
A 1/8
B 1/25
C 1/32
D 1/64

Answers

Answer:

1/8

Step-by-step explanation:

If she guesses on there she will most likely get them all wrong.

Pentagon PQRST is drawn on a coordinate plane below. what rule best represents a dilation to create pentagon PQRST with a scale factor of 1/2 and with the origin as the center of dilation?

Answers

Answer: [tex](x,y) \to (\dfrac12 x, \dfrac12 y)[/tex]

Step-by-step explanation:

Dilation is a transformation, in which the size of the image gets changed but not shape.

The rule of dilation with scale factor k and wither origin as center of dilation :

(x,y) → (kx, ky)

Here , [tex]k= \dfrac12[/tex] , center of dilation = Origin

Then, the rule best represents a dilation to create pentagon PQRST will be :

[tex](x,y) \to (\dfrac12 x, \dfrac12 y)[/tex]

please help lol its about size of divisor

Answers

Probably like 1,000 I would say

someone help me with this pls thx

Answers

Answer:

15x+42y=13050

Step-by-step explanation:

because the x and the y match up and you add then together

do the bottom one and plzz show the equation you did

Answers

Answer:

-1/4

Step-by-step explanation:

1/2 = 2/4

2/4-3/4 = (2-3)/4 = -1/4

please give brainilestt pweezz

Help due by 11 it 10 :55

Answers

Answer: 0.11

Step-by-step explanation: (2/3) / 6 = 0.11

This question is simple. Do not worry. I will get it done for you. What we need to do here is to divide 2/3 by 6 because you have 2/3 of the salad leftover and you want to split it among 6 friends. 6/1 is the same as 6 because if you divide 6 and 1, you get 6. Hence, 2/3 / 6/1. However, we need to flip the second fraction. So, 6 is the denominator and 1 is the numerator. When we do that, the question is now a multiplication question.

2/3 x 1/6 = 2/18

However, the fraction can be simplified by dividing both sides by 2.

2/2 x 18/2 = 1/9

Hence, each friend receives 1/9 of the salad.

Help plz... i give u brainliest

Answers

The agency made $19,580 and the agent got $4,895

1. 42+14x
2. 3(2x + 9)

Answers

Answer:

1. 56x 35x

what you had to do was add 42 plus 14x which gives you 56x. then for number two you had to multiply the numbers inside of the parenthesis by the number outside of the parenthesis which will give you 35x.

I’m not sure but, I think the second one is 6x+27. I don’t think you can’t simplify the first one, if that’s what your asking. But, if your asking what x is, please tell me and I’ll do that instead.

What is the final price of an item that cost $14 with a 75% discount

Answers

Sale Price = $3.5 (answer). This means the cost of the item to you is $3.5. You will pay $3.5 for a item with original price of $14 when discounted 75%. In this example, if you buy an item at $14 with 75% discount, you will pay 14 - 10.5 = 3.5 dollars.

$3.50 because 14 - 75% or you should do convert 75% to a decimal .75 so u should do
14.00
- .75
———-
3.50

The sum of Bernice’s age and her
mother’s age is 63. Bernice is 21. What is her mother’s age?

Answers

Answer:

her age would be 42

Step-by-step explanation:

63-42=21

42 this is because 63-21=42

Find the total price paid for the winter coat if the sales tax is 5% and the cost of the winter coat is $40

Answers

Answer:

$42

Step-by-step explanation:

List price of the laptop=40

Sales tax rate = 5

sales tax=5% of 40=2

40+2=42

total = $42

It’s £42

Have a nice day.

Show work please help (update)

Answers

Answer:

I believe the correct answer is A.

Step-by-step explanation:

Sorry if I'm wrong :\

it should be A because the problem doesn’t start off as a subtraction problem so B and D go away and your suppose to divide so C should go away and it leaves you with A

i got the 2nd answer wrong because om someone but I can retry it :P

Answers

Answer:

C, 10

Step-by-step explanation:

it increases by 4 each day

The answer is C: 10.

please mark thanks and brainliest!!

Which is a true statement about the data shown in the tables?

Answers

Answer:

Step-by-step explanation:

Neither table os a linear relation

The answer would be D

look at the diagram and answer the question. i’ll give brainliest.

Answers

Whoever worded question made tha shi so confusing

Answer:

Yes

Step-by-step explanation:

With each hour you rent the paddleboard the price goes up.

Time= independent variable

Cost= Dependent variable

I will give brainilist to who ever is correct!

Answers

Answer: B

Explanation:...

2[tex]^{2}[/tex] + 5 + 50 ÷ 2(5)

Answers

Hey there!

2^2 + 5 + 50 ÷ 2(5)

2^2 = 2 • 2 = 4

4 + 5 + 50 ÷ 2(5)

4 + 5 = 9

9 + 50 ÷ 2(5)

50 ÷ 2 = 25

9 + 25(5)

25(5) = 125

9 + 125

= 134

Answer: 134 ☑️

Good luck on your assignment and enjoy your day!

~LoveYourselfFirst:)

The answer is 134 hope this helps

What is the x-coordinate of point B? Write a decimal coordinate.

On a coordinate plane, point B is 1.5 units to the left and 3.5 units up.

Answers

Answer:

(-1.5,3.5)

Step-by-step explanation:

Starting from the Origin move 1.5 left equals -1.5 and 5 units up is 3.5 so, my answer is (-1.5,3.5).

Answer:0.5

Step-by-step explanation:

The graph shows the cost C in dollars of w pounds of blueberries, a proportional relationship.

Select all the true statements. (HINT...THERE IS MORE THAN ONE ANSWER)

Group of answer choices

1 pound of blueberries costs $2.75.

2.75 pounds of blueberries cost $1.

5 pounds of blueberries cost $15.50.

12 pounds of blueberries cost $33.

The point (3, 9) is on the graph of the proportional relationship.

Answers

The right answer is 1 and 4

1 and 4 is the correct answer

wow 25 points and brainliest if you give a actual answer

Answers

Answer:

2, 16, 14 in orders from top.

Step-by-step explanation:

a/4=1/2 4 x 0.5 = 2

3/b=1/2 3 x 2 = 6

5/10=1/2

7/c=1/2 7 x 2 = 14

Answer:

2 to 4

3 to 6

5 to 10

7 to 14

Step-by-step explanation:

sorry if wrong

Please help with this

Answers

Answer:

POG

Step-by-step explanation:

POGPOGPOGPOGPOGPOGPOGPOGPOGPOGPOGPOGPOGPOGPOGPOGPOGPOG

Answer:

8. 8.50 ×4 =34 + taxes 0.06. would be 36.04

9. 1,095. 365×3=1,095

10. 66. 6×11=66

11. 25. 5×5=25

12. 560. 70×8=560

please help ill give brainliest

Answers

Answer:

y ≥ -2

Step-by-step explanation:

Simplify the equation first.

-5y - 8 ≤ 2

-5y ≤ 10

y ≥ -2

The sign is flipped due to dividing by a negative number.

Yes yes the answer is what he said

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