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3 years ago

A vase contains r roses and 6 tulips. Write two equivalent expressions for the total number of flowers in the vase.

Mathematics

2 answers:

katrin2010 [14]3 years ago

8 0

V=r+6 V= number of flowers in the vase

v-6=r

Margaret [11]3 years ago

5 0

Two equivalent fractions equations are
r + 6
6 + r <span />

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LaToya has $113.94 in her checking account. During the week she goes to an ATM and withdraws $40. She is charged a usage fee of

Scilla [17]

113.94-42.50+189.73-22.50-70.18= $168.49

LaToya has $168.49 in her checking account

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3 years ago

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A researcher at the Centers for Disease Control and Prevention is studying the growth of a certain bacteria. He starts his exper

steposvetlana [31]

The population of the bacteria after 8 hours is 1639 bacteria.

An exponential function is given by:

y = abˣ

where y, x are variables, a is the initial value of y and b is the multiplier.

Let y represent the population of bacteria after x hours.

Given that he starts his experiment with 500 bacteria, hence

a = 500

The bacteria grow at a rate of 16% per hour, hence:

b = 100% + 16% = 1.16

The exponential equation becomes:

y = 500(1.16)ˣ

After 8 hours:

y = 500(1.16)⁸ = 1639

The population of the bacteria after 8 hours is 1639 bacteria.

Find out more at: brainly.com/question/12490064

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2 years ago

There are 26.2 miles in a marathon. Write the number of miles using a fraction.

uranmaximum [27]

Proper fraction: 26 1/5
improper fraction: 131/5

7 0

3 years ago

What happens to the value of the expression 20 + a, a as a increases?

Yuri [45]

Answer:

With the increase of the value of a ,the value of the expression 20+a will also increase.

Step-by-step explanation:

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2 years ago

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Kaya's family spends $105 to rent a boat for 7 days. The total cost, c, of the boat rental is proportional to the number of days

Elza [17]

Answer:

$c=15d$

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form $k=\frac{y}{x}$ or $y=kx$

Let

c ----> the total cost of the boat rental

d ---> is the number of days, the family rents the boat

we know that

Kaya's family spends $105 to rent a boat for 7 days

For d=7 days, c=$105

Find the value of the constant of proportionality k

$k=\frac{c}{d}$

substitute the given values

$k=\frac{105}{7}=\$15\ per\ day$

therefore

The linear direct equation is equal to

$c=15d$

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3 years ago