At the beginning of his science experiment, Bob's solution had a temperature of

2°C. During the experiment, the change in the solution's temperature was

6°C

Answers

Answer 1

Answer:

Its -8

Step-by-step explanation:


Related Questions

The area of a square is 77 square feet.
What is the approximate length of each
side of the square?
SIDE LENGTH=?FEET
PLEASE HELPPPP
100 Points

Answers

Answer:

8.8 cm , but not sure.....

Thank you ☺️

-3 belongs to the set of

Answers

Answer: integers

Step-by-step explanation:


Lester started the day with $12 in his pocket he is saving for the new mop with the snazzy Pinstripes on Amazon Prime he works a job making $8 an hour the moped cost $268 write the equation that represents how many days letter needs to work to have $268

Answers

Answer:

32h (1 day and 8h )

Step-by-step explanation:

268-12=256

256:8= 32

32h

Answer:

8x+12= 268

Step-by-step explanation:

We know that Lester already has $12, so that would be: +12

Since he works for $8 an hour, x will represent each hour: 8x

*x will determine the number of hours, if you want days, then divide the amount of hours by 24.

WILL MARK BRAINLIEST PLZ ANSWER FAST GUYS AND GIRLS I AM CRYING. Don't mind the second question. You can answer it if you want that will help me.

Answers

Answer:

1. 10d + 5n = 85

2.  idk how to attach stuff

3. 17 nickels  

4. 8.5 thats weird tho since its not possible to get 85 with using only dimes you would have to use 8 dimes and 1 nickel but its doesn't ask for that so 8.5 ig

Step-by-step explanation:

5n = 85

5*17 = 85

10d = 85

10*8.5 = 85

which number is a perfect square
7
25
66
27

Answers

Answer:

The answer is 27 your welcome

Step-by-step explanation:

What is the value of x?

Answers

Answer:  x = 25

. . . . . . . . . . . . . .

i need help fast can y’all pls help!thanks

Answers

Answer:

1 and 3 = 84

Step-by-step explanation:

the lines are parelle meaning you will get the same agles

we know that all the even angles are equal to 96 degrees

we need to do 180- 96= 84

so know we know that 84 equalls all the odd numbers

what is bigger 3.14 or 3.1 repeating

Answers

Answer:

3.14

Step-by-step explanation:

compare 3.4 to 3.111111111111111111...

4 is bigger than 1

3.14 is bigger than 3.1 repeating.

The number 3.1 repeating (or 3.1 with an infinite number of decimal places of 1) is equivalent to the mathematical concept of the number 3.1111..., where the digit 1 repeats indefinitely.

When comparing 3.14 and 3.1 repeating, we can consider the decimal places:

3.14 has a hundredth place digit of 4, which is greater than the repeating decimal of 3.1, where the hundredth place digit is 1.

Therefore, 3.14 is bigger than 3.1 repeating.

Learn more about Comparison here:

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whats the property for x ⋅ 4y = 4x ⋅ y

Answers

I believe the answer is Symmetric property

Given the quadratic equation ² + + = 0 where , , are real numbers and ≠ 0, which of the following is the sum of its roots? *
A.) a
B.) c
C.) -b/a
D.) c/a

Answers

Answer:

Here is a more clearer version of the same question ;

29 1.2. Constructing Direct Proofs 1. Let a, b, and c be real numbers with a 0. The solutions of the quadratic equation ax 2 + bx + c = 0 are given by the quadratic formula, which states that the solutions are xi and x2. where and x2 2a 2a (a) Prove that the sum of the two solutions of the quadratic equation ax2 + bx + c = 0 is equal to -b/a . (b) Prove that the product of the two solutions of the quadratic equation ax2 + bx + c = 0 is equal to c/a.

The proving of both a) and b) has been done

Step-by-step explanation:

The step by step explanation has been given in the attachment below.

Step-by-step explanation:

five less than the qouicent of number of a number and 3 is -7

Answers

Sorry. Had to redo this with the correct answer.

Here it is...

Solve for x by simplifying both sides of the equation, then isolating the variable.

Exact Form:

x = - 2/5 (fraction)

Decimal Form:

x = - 0.4 (decimal)

After a pizza party there are 4 2/3 pizzas left over. If the pizzas are divided so that party goers can take home 1/6 of a pizza, how many guests can take home pizza? *
1 point
8 guests
26 guests
28 guests
33 guests

Answers

Answer:

26 guests

Step-by-step explanation:

what..................

Answers

Answer:ni

Step-by-step explanation:

A baby can crawl at a speed of 10 feet per minute. About how many feet per hour is this?

Answers

Answer: 600 feet per hour

Because there are 60 minutes in an hour and 10 times 60 is 600

Hayley and Maxwell are jogging on a track. Hayley jogs 3/4 mile in 1/6 hour. Maxwell jogs 2/3 mile in 2/15 hour. Who is faster?

Answers

Maxwell runs faster than Hayley

In order to determine who runs faster, the average speed has to be determined

Average speed is total distance travelled divided by total time travelled.

Average speed = Total distance / Total time

Hayley's average speed = [tex]\frac{3}{4}[/tex] ÷ [tex]\frac{1}{6}[/tex]

=  [tex]\frac{3}{4}[/tex] x 6 = [tex]\frac{9}{2} = 4\frac{1}{2}[/tex] miles / hour

Maxwell's average speed = [tex]\frac{2}{3}[/tex] ÷ [tex]\frac{2}{15}[/tex]

[tex]\frac{2}{3}[/tex] x [tex]\frac{15}{2}[/tex] = 5 miles / hour

Maxwell runs faster because he has a higher average speed when compared with Hayley

A similar question was solved here: https://brainly.com/question/7381435?referrer=searchResults

b
It takes 4 workers 6 days to build a shed.
How many sheds could 2
of the workers make in 36
days, if all of the workers
work at the same rate?

Answers

Two workers can only make 3 sheds in 36 days

Janet bought same bars of choclate to share equally with her friends. she bought between 35 and 50 bars altogether. if she shares the bars of chocolate equally with 7 friends, she will have 7 bars left over. If she shares the bars equally with 6 friends she will have 5 bars left over. How many bars of chocolate did she buy?
a.47
b.45
c.46
d.48

Answers

Its letter d.48 hope i helped you , but im not sure..

For the conditions to be fulfilled number of chocolate bars Janet bought is 35.

What is an equation?

An equation is a statement in form of numbers and variables that both sides are equal.

Janet bought the same bars of chocolate to share equally with her friends and it is between 36 and 50.

There are two possible cases,

Let the number of chocolates be 'N' and no. of chocolates each friend gets be 'A'.

(i)  If she shares the bars of chocolate equally with 7 friends, she will have 7 bars left over,

∴ N = 7A + 7...(i).

(ii) If she shares the bars equally with 6 friends she will have 5 bars left over,

Let the number of chocolates be 'N' and no. of chocolates each friend gets be 'B'.

∴ N = 6B + 5...(ii)

Now, we have to equate these two equations,

7A + 7 = 6B + 5.

7A = 6B - 2.

A = (6B - 2)/7.

From here we have to find such integer value of B which also makes the value of A an integer and also when we put the values of either A or B in our equations it should lie between 35 and 50.

So,

A = (6B - 2)/7.

When B = 5 then A = 4. Or when B = 12 the A = 10.

But the B = 12 and A = 10 is inadmissible.

Now, we'll put the value of A or B in eqn (i) or (ii).

Which results in N = 35.

So, the number of chocolate bars she bought is 35.

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−3 1/3÷9


I need help!!!

Answers

Answer:

- 10/27

Step-by-step explanation:

Answer:

-10/27

Step-by-step explanation:

-3 1/3 divided by 9 = -10/3 divided by 9/1= -10/27

Determine the value of y, if x is -2.
y= | x |– 9
Answer:

Answers

Answer:

y = -7

Step-by-step explanation:

Does Kerri's dot plot match the data in the tally
table? Yes or no?


Use kerri’s for plot to complete these statements

___classmates spent 3 hours at the park

___Classmates spent 4 hours at the park

___Classmates spent 5 hours at the park

____Classmates spent 6 hours at the park

Answers

Answer:

the answer is none

Step-by-step explanation:

because as you can see the dots dosent match the tally's on the chart

write an equation in point-slope form of the line that passes through the given point and with the given slope m. (-6,2);m=7​

Answers

Answer: y - 2 = 7(x + 6)

Explanation:

Point slope form:
y - y1 = m(x - x1)

Where y1 and x1 are the coordinate given And m is the slope.

Our coordinate is (-6,2) and slope = 7

y - 2 = 7(x -(-6))
y - 2 = 7(x + 6)

Please help! Explain step by step pls :)

(The question is on the image that i attached)

Answers

Answer:

3

Step-by-step explanation:

6(-8)/-12 -1

Multiply.

-48/-12=4

Divide.

4-1=3

Subtract.

Answer:

3

Step-by-step explanation:

6(-8)/-12 -1

Now, multiply

-48/-12=4

Now, divide.

4-1=3

and your last step should be subtracting.

2. Findf(g(x))andg( f(x)).

f(x) = 102; 9(1) = 1 + 3

Answers

Answer:

9=4

Step-by-step explanation:

9(1)= 1+3

9(1)=9

1+3=4

9:4

The results of a recent survey indicate that the average new car costs $23,000 with a standard deviation on $3,500. The prices of the car are normally distributed. a. If someone buys a car for $32,000, what proportion of cars cost an equal amount or more than this? b. If someone buys a car for $16,000, what proportion of cars cost an equal amount or more than this?

Answers

Answer:

(a) 0.0051

(b) 0.9773

Step-by-step explanation:

Let X = prices of the car.

It is provided that [tex]X\sim N(23,000, 3,500^{2})[/tex].

(a)

Compute the value of P (X ≥ 32000) as follows:

[tex]P(X\geq 32000)=P(\frac{X-\mu}{\sigma}>\frac{32000-23000}{3500})[/tex]

                       [tex]=P(Z>2.57)\\=1-P(Z<2.57)\\=1-0.99492\\=0.00508\\\approx 0.0051[/tex]

Thus, the proportion of cars cost an equal amount or more than $32,000 is 0.0051.

(b)

Compute the value of P (X ≥ 16000) as follows:

[tex]P(X\geq 16000)=P(\frac{X-\mu}{\sigma}>\frac{16000-23000}{3500})[/tex]

                       [tex]=P(Z>-2)\\=P(Z<2)\\=0.97725\\\approx 0.9773[/tex]

Thus, the proportion of cars cost an equal amount or more than $16,000 is 0.9773.

Charmaine cutaway 3.65 meters of rope. Before that, she had 9 meters of rope. How much rope does Charmaine have left?

Answers

Answer:

5.35

Step-by-step explanation:

9-3.65=5.35

what is the answer to 8(4h+5) ​

Answers

Answer:

32h+40

Step-by-step explanation:

8*4h=32h

8*5=40

whats the value of x if x2=10

Answers

Answer:5

Step-by-step explanation:

2x=10

10÷2= 5

x=5

Answer:

X = 5

Step-by-step explanation:

2x means x plus itself. if x + x is 10, what number fits that description?

5!

2.5 = 10, so X = 5

PO
Question 1
Maria took a taxicab from her home to the theater
downtown. The taxicab company charges a flat fee of $5.00
plus $0.25 per mile. Which equation represents C, the total
cost of her ride, in terms of m, the length of the trip in
miles?

Answers

Answer:

C=5+0.25m

Step-by-step explanation:

WILL GIVE BRAINLIEST
The image of the point (7, -2) under a reflection across the x axis is (-7,2) true or false

Answers

Answer:

no it is(7,2)

Step-by-step explanation:

anyone need help asap

Answers

I’m sorry I don’t see it clear can u put a clear pic of the graph or whatever

Answer:

x = -3

Step-by-step explanation:

x + 2/x = 4/3 - 1 (collect like terms)

The rest of the steps are in the screenshot.

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