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natali 33 [55]
2 years ago
7

Help me pleaseeeeeeeeeeeeeeeee

Mathematics
1 answer:
galina1969 [7]2 years ago
5 0

Answer:

see below

Step-by-step explanation:

are you finding r?

if it is then this is the answer

r/10 = 4

4 x 10 = r

40 = r

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8=3a-4 please help quickly plssssssss
Bad White [126]

Answer:

a = 4

Step-by-step explanation:

3 0
2 years ago
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1. Find the time required for an investment of $1000 to grow to $5000 at an interest rate of 8%
Tju [1.3M]
Idk what is but $100
8 0
3 years ago
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Maile is walking around a circular track. if the radius is 100m, how far did she walk if she is 1/3 the way around
Stolb23 [73]
The full length of the circumference is
  C = 2πr
  C = 2π*100 m ≈ 628.32 m

1/3 that distance is (628.32 m)/3 ≈ 209.44 m

Maile walked about 209.4 m.
7 0
2 years ago
Mark and Julio are selling flower bulbs for a school fundraiser. Customers can buy bags of windflower bulbs and packages of croc
ikadub [295]

Answer:

Bag of windflower bulbs costs $8.50

Package of crocus bulbs costs $17.60

Step-by-step explanation:

Let $x be the price of one bag of windflower bulbs and $y be the price of one  package of crocus bulbs.

1. Mark sold 2 bags of windflower bulbs for $2x and 5 packages of crocus bulbs for $5y. In total he earned $(2x+5y) that is $105. So,

2x+5y=105

2. Julio sold 9 bags of windflower bulbs for $9x and 5 packages of crocus bulbs for $5y. In total he earned $(9x+5y) that is $164.50. So,

9x+5y=164.50

3. You get the system of two equations:

\left\{\begin{array}{l}2x+5y=105\\ \\9x+5y=164.50\end{array}\right.

From the first equation

5y=105-2x

Substitute it into the second equation:

9x+105-2x=164.50

7x=164.50-105

7x=59.5

x=$8.50

So,

5y=105-2·8.5

5y=105-17

5y=88

y=$17.60

5 0
3 years ago
The endpoints of a side of rectangle ABCD in the coordinate plane are at A(1,4) and
andrew-mc [135]

Answer:

<em>y = - x + 5 </em>

Step-by-step explanation:

A(1, 4)

B(4, 1)

m_{AB} = \frac{1-4}{4-1} = - 1

y - 1 = - 1 ( x - 4 )

<em>y = - x + 5</em>

6 0
2 years ago
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