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ASHA 777 [7]
3 years ago
9

Susan solved this problem. She says the answer is hours. Susan spent hours babysitting on Monday and hours babysitting on Tuesda

y. How much time did Susan spend babysitting on the two days? Solve the problem. Is Susan’s answer reasonable?
A. Susan’s answer is reasonable. She spent almost 3 hours babysitting on Monday and a little more than 4 babysitting hours on Tuesday (3 + 4 = 7). That is a little more than 7 hours in all.
B. Susan’s answer is not reasonable. She spent a little more than 4 hours babysitting on Tuesday and about hours babysitting on Monday . That is a little more than hours in all.
C. Susan’s answer is not reasonable. She spent about 2 hours babysitting on Monday and about 4 hours babysitting on Tuesday (2 + 4). That is about 6 hours in all.
D. Susan’s answer is not reasonable. She spent almost 3 hours babysitting on Monday and more than 4 hours babysitting on Tuesday (4 – 3). That is a difference of more than 1 hour. 50 PTS!
Mathematics
2 answers:
lyudmila [28]3 years ago
7 0
<span>Susan solved this problem. She says the answer is hours. Susan spent hours babysitting on Monday and hours babysitting on Tuesday. How much time did Susan spend babysitting on the two days? Solve the problem. Is Susan’s answer reasonable? 
</span><span>
A. Susan’s answer is reasonable. She spent almost 3 hours babysitting on Monday and a little more than 4 babysitting hours on Tuesday (3 + 4 = 7). That is a little more than 7 hours in all. 

Mark branliest, Need it</span>
grandymaker [24]3 years ago
6 0
Susan answer = 7 1/4

Approximate spent hours on monday = 3
Approx. spend hours on Tuesday = 4 

So, In total, it is approx. 7

In short, Your Answer would be Option <span>A. Susan’s answer is reasonable. She spent almost 3 hours babysitting on Monday and a little more than 4 babysitting hours on Tuesday (3 + 4 = 7). That is a little more than 7 hours in all. 

Hope this helps!</span>
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The volume of an object is given as a function of time by V = A + B t + C t4 . Find the dimension of the constant C
aksik [14]

Answer:

The dimensions of constant C are of [L^{3}T]^{-4}

Step-by-step explanation:

It is given that

V(t)=A+Bt+Ct^{3}

Since the dimensions of volume are [L^{3}]

Each of the term shall have a dimension of [L^{3}] since they are in addition.

Thus for third term we can write

Thus we have

[L^{3}]=[C][T^{4}]\\\\\therefore [C]=[L^{3}][T^{-4}]

5 0
3 years ago
Elimination method<br> x+4y=1<br> -3x-5y=-10
nevsk [136]

Answer:

x = 5 and y = 1 is the answer.

Step-by-step explanation:

(-5)(x+4y=1)

(-4)(-3x-5y=-10)

-5x + -20y = -5

12x + 20y = 40

———————

7x + 0 = 35

7x= 35

7x/7 = 35/7

x = 5

subtitution:

x= 5

x + 4y = 1

5 + 4y = 1

4y = 1 - 5

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4y/4 = 4/4

y = 1

3 0
2 years ago
6 mg of 20 mg is what​
Effectus [21]

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idk

Step-by-step explanation:

6 0
3 years ago
4/5(2x+5)−4=1<br><br> x = 1 1/4<br> x = 1 2/5<br> x = 5/8<br> x = 3 1/5
tia_tia [17]
The answer is x=5/8. The reason for this is when you divide it equal 0.625 then when you multiply that by 2 it equals 1.25. After you do that you add 5 which is 6.25. Now we divide 4/5 which is 0.8. Now, we multiply 6.25x0.8=5. 5-4=1. Therefore your answer is 5/8. Hope this helps :)
5 0
3 years ago
Please help with the question 2 to 18
vladimir1956 [14]
Since these questions all require similar methods of solving, I will only completely work out the first question of each type.

2. To find \frac{7}{10}as a decimal, all we need to do is complete the fraction by dividing the numerator by the denominator.

\frac{7}{10} = 7 / 10 = 0.7

\frac{7}{10} as a decimal is 0.7.

3. To write a fraction as a percentage, we must first convert it into a decimal, the way we did in problem 2.

\frac{13}{20} =0.65

Then to change that number into a percentage, we can either multiply it by 100, or (my personal shortcut) just shift the decimal point over two places to the right.

0.65 = 65%

which is the answer to question 3.
\frac{13}{20} written as a percent is 65%.

4. Writing a percentage as a fraction is a bit easier than writing a fraction as a percentage. All you need to do is place the percentage in the numerator's place of a fraction with 100 as the denominator and simplify.

2%5 = \frac{25}{100}

Since 25 goes into 100 four times, we can simplify this fraction.

\frac{25}{100} = \frac{1}{4}

which is our answer.

25% written as a fraction is \frac{1}{4}.

5. This is the same as problem 3, so I won't show my work for the sake of time.

\frac{2}{5} as a percentage is 40%.

6. This is the same as problem 1, so I will not show steps again.

\frac{3}{20} as a decimal is 0.15.

7. Done similar problems in past. No work shown.

\frac{21}{50} as a percent is 42%.

8. Same as last problem.

\frac{1}{25} as a percent is 4%.

9. Same as number 4.

 6% as a fraction is \frac{3}{50}.

10. Similar in past.

\frac{3}{5} as a percentage is 60%.

11. Same as 6.

\frac{12}{25} as a decimal is 0.48.

12. Done a lot of these so far.

\frac{3}{10} as a percentage is 30%.

13. Just did one like this.

\frac{3}{4} as a percentage is 75%.

14. Same as 4 and 9.

65% as a fraction is \frac{13}{20}.

15. Plenty of these done in past.

\frac{1}{5} as a percentage is 20%.

16. Last problem, and it's just like the one just before this.

\frac{9}{10} written as a percent is 90%.

So there are the results.
Hope that helped! =)
6 0
3 years ago
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