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3 years ago

Help please!!!!!!!!!!!!!!!

Mathematics

1 answer:

iris [78.8K]3 years ago

6 0

Answer:

I didn't know it was possible to create tables on here.

Step-by-step explanation:

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Bianca has a stamp collection of 5 cent stamps and 7 cent stamps. She has 3 less 7 cent stamps as 5 cent stamps. If the collecti

amm1812

Answer:

She has 9 5 cent stamps and 6 7 cent stamps.

Step-by-step explanation:

Let the number of five cent stamps be represented by F and the number of seven cent stamps be represented by S.

The difference between the number of five cent and seven cent stamps is 3

F-S=3

The sum of the collection from each type of stamp is 87 cents

5F+7S=87

Let us solve the equations simultaneously.

F-S=3

5F+7S=87

Using substitution method,

F= 3+S

5(3+S)+7S=87

15+5S+7S=87

12S=87-15

12S=72

S=6

F=3+S

=3+6=9

Therefore the number of five cent stamps is 9 and seven cent stamps is 6.

7 0

3 years ago

Read 2 more answers

Find compound amount annually of p=4000,time=3/2 and rate =10% solve it step wise.

Natalka [10]

Step-by-step explanation:

Hey, there!!

Principal (p) = 4000

Time = 3/2= 1.5 yrs.

rate = 10%

Now, we have formula,

$c.a = p \times {(1 + \frac{r}{100}) }^{t}$

Putting their values,

$ca = 4000\times {(1 + \frac{10}{100} )}^{1.5}$

$ca =4000 \times {(1 + 0.1)}^{1.5}$

$ca = 4000 \times 1.153689$

Simplifying them we get,

C.A = 4614.75

Hope it helps...

4 0

3 years ago

3.45 divide by 1.2 find the remainder also

Ainat [17]

Answer:

2.875 is the answer

Step-by-step explanation:

I thinkk soo

8 0

3 years ago

Read 2 more answers

Which number is the additive inverse of –5?

vitfil [10]

The additive inverse of -5 is 5 I know because ive learned it.
Here to help!!

3 0

3 years ago

Read 2 more answers

Tyler and Elena are on the cross country team.

romanna [79]

Answer:

Tyler ran 0.06 miles farther than Elena

Step-by-step explanation:

From the graph we can find the distance ran by Tyler in 10 minutes is approximately 1.24 miles

Given the equation for Elena's distances and times is

y=8.5x, where x is the distance in miles and y is the time in minutes, we can know the value of x when y = 10 minutes

$x=\frac{y}{8.5} =\frac{10}{8.5}=1.18$ miles

With this numbers at hand, we can infer Tyler ran 1.24 - 1.18 = 0.06 miles farther than Elena

5 0

4 years ago