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2 years ago

Please answer this? tysvm!

Mathematics

2 answers:

Lapatulllka [165]2 years ago

3 0

Answer:

so i think its x i hope this helps

Step-by-step explanation:

aleksandr82 [10.1K]2 years ago

3 0

Answer:

it is Y

Step-by-step explanation:

i don't know how to explain this im sorry

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Which expression is equivalent to 4^7 x 4^-5

melisa1 [442]

please mark this answer as brainlist

3 0

3 years ago

Solve the following using the elimination or substitution method. Show all work.

ki77a [65]

Jim has 28 nickels and 37 dimes in his pocket. which is determined by the substitution method.

<h3>What is the equation?</h3>

The term "equation" refers to mathematical statements that have at least two terms with variables or integers that are equal.

Let the number of nickels would be n

Let the number of dimes would be d

As per the given question,

d + n = 65 ....(i)

0.10d + 0.05n = 5.10 ....(ii)

From equation (i),

d + n = 65

d + n - n = 65 - n

d = 65 - n

Substitute in for the equation(ii): d = 65 - n

0.10(65 - n) + 0.05n = 5.10

6.5 - 0.10n + 0.05n = 5.10

6.5 - 0.05n = 5.10

6.5 - 0.05n - 6.5 = 5.10 - 6.5

- 0.05n = -1.4

n = 28

This means there are 28 nickels

Substitute the value of n = 28 in the equation (i),

d + n = 65

d + 28 = 65

d = 37

So there are 37 dimes

Thus, Jim has 28 nickels and 37 dimes in his pocket.

Learn more about the equation here:

brainly.com/question/10413253

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3 0

1 year ago

Read 2 more answers

An Airplane travels about 1500km in a straight line between Toronto and Winnipeg . However, the plane must climb to 10 000 m dur

aleksandrvk [35]

it adds 227km more to the flight

7 0

3 years ago

Write the numbers in order from least to greatest

spayn [35]

C.) -4, -7/5, 1/6, 1.6, $\sqrt{6}$

$\sqrt{6}$ = 2.45

1.6

1/6 = 0.167

-7/5 = -1.4

-4

4 0

3 years ago

A city has a population of 280,000 people. suppose that each year the population grows by 4.5% . what will the population be aft

Anastasy [175]

Given that population of the city is 280000.

Rate of growth of the population = r = 4.5% = 0.045

We have to find population after 15 years so time

t = 15

We can use growth formula to find the required population which is given by :

$A=P(1+r)^t$

Where P= starting population = 280000

r= rate of growth = 0.45

t= time = 15

now plug these values into above formula.

$A=280000(1+0.45)^{15}$

$A=280000(1.45)^{15}$

$A=280000(263.34194176)$

$A=73735743.6928$

Hence population after 15 years will be approx 73735743.

8 0

3 years ago