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3 years ago

Write a word problem about equal grups and act it out to solve.

Mathematics

2 answers:

Mashcka [7]3 years ago

7 0

Yes they are correcy

Neko [114]3 years ago

3 0

If i had 6 red rocks and 6 blue rocks i would add them to get 12 rocks

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Of equations to answer the questions.

iren [92.7K]

2x + 3(8 - 3x) = 3
2x + 24 -9x = 3
-7x = -21
x = 3

y = 8 - 3x
y = 8 - 3(3)
y = 8-9
y = -1

Check the math:
2(3) + 3(-1) = 6 - 3 = 3

4 0

3 years ago

Harry has a part-time job as a babysitter. The table below shows the amount of money Harry earned for different numbers of hours

Dimas [21]

Answer:

Part A- The 1st box is 96 and the second box is 10.

PartB-

Part C-

Step-by-step explanation:

5x12=60

6x12=72

8x12=96

10x12=120

So the 1st box is 96 and the second box is 10.

5 $50

6 $60

8 $80

I know this because Harry receives $10 per hour so you have to multiply the number of hours by $10.

If Harry babysits for 5 hours, he would receive $60 but if he does yard work for 5 hours, he would receive $50. Harry would receive $10 more by babysitting than by doing yard work.

Hoped this helped.

4 0

4 years ago

Which of the following graphs represents the equation x >-3y+9

enot [183]

Hello,
Please, see the attached file.
Thanks.

5 0

3 years ago

Mrs steven is delivering flowers to a local flower shop she delivers the same number of flowers with each delivery the flower sh

jenyasd209 [6]

The answer is1612 after 4 trips

3 0

3 years ago

Read 2 more answers

A family wants to save for college tuition for their daughter. What continuous yearly interest rate r% is needed in their saving

sergey [27]

Answer:

The continuous yearly interest is 22.5% per year.

Step-by-step explanation:

Continuous yearly interest:

Continuous yearly interest is defined as the sum of the interest comes from principle and the interest comes from interest.

The formula for continuous interest yearly is

$A=Pe^{rt}$

where A = The final amount =$110,000

P= principle =$4,700

r= rate of interest

t= time (in year)= 14 years

$\therefore 110,000= 4,700e^{r\times 14}$

$\Rightarrow e^{14r}= \frac{110,000}{4,700}$

Taking ln both sides

$\Rightarrow ln e^{14r}= ln(\frac{110,000}{4,700})$

$\Rightarrow {14r}= ln(\frac{1100}{47})$

$\Rightarrow r=\frac{ln( \frac{1100}{47})}{14}$

$\Rightarrow r = 0.225$ (approx)

The continuous yearly interest is 0.225 = 22.5% per year.

4 0

3 years ago