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Darina [25.2K]
3 years ago
12

Yolanda bought a rose bouquet. The equation C = 1.5r+6 represents the cost, C, of a rose bouquet that has r roses. Yolanda's bou

quet
cost $30.
How many roses were in Yolanda's bouquet?
O A 16
B. 20
O c. 24
D. 26
O E 36
Mathematics
1 answer:
Deffense [45]3 years ago
7 0

Answer:

A. 16 roses

Step-by-step explanation:

30 - 6 = 24

24 divided by 1.5 equal 16

r = 16

hopefully this helps you :)

pls give me brainlest :)

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Pythagorean theorem 19^2 + 21^2=x^2
alexira [117]

Answer:

x = 28.32 units.

Step-by-step explanation:

Given:

Longer leg = 21

Shorter leg = 19

Hypotenuse = x

To Find:

Hypotenuse = x = ?

Solution:

Pythagoras Theorem States that

(\textrm{Hypotenuse})^{2} = (\textrm{Shorter leg})^{2}+(\textrm{Longer leg})^{2}

Substituting of the given value above equation we get

x^{2} =21^{2}+ 19^{2}\\ \\x^{2}=441 + 361\\\\x^{2}=802\\ \therefore x=\pm\sqrt{802} \\\textrm{as x cannot be negative}\\\therefore x=\sqrt{802}\\\\\therefore x=28.319\ units\\\therefore x=28.32\ units

7 0
3 years ago
Read 2 more answers
What is the answer ?
MrMuchimi
C is the correct answer
6 0
3 years ago
Read 2 more answers
Help me plz have a blessed day
iren2701 [21]

Answer:

b. (2,0)

Step-by-step explanation:

To find which ordered pair is a solution, we have to replace then into the equation, and the result has to be an identity, that is, 0 = 0.

Equation:

y = -5x + 10

Option a:

(-15,5), so x = -15, y = 5

y = -5x + 10

5 = -5(-15) + 10

5 = 75 + 10

5 = 85

Not an identity, so this ordered pair is not a solution.

Option b:

(2,0), so x = 2, y = 0

y = -5x + 10

0 = -5(2) + 10

0 = -10 + 10

0 = 0

Identity, and thus, the correct answer is given by option b.

6 0
3 years ago
The function f is defined by f(x)=2x+5/x+4 find f (3x)
Roman55 [17]

Answer:

\displaystyle f(3x) = \frac{6x + 5}{3x + 4}

General Formulas and Concepts:

<u>Algebra I</u>

  • Functions
  • Function Notation

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

\displaystyle f(x) = \frac{2x + 5}{x + 4}

<u>Step 2: Find</u>

  1. Substitute in <em>x</em> [Function f(x)]:                                                                              \displaystyle f(3x) = \frac{2(3x) + 5}{3x + 4}
  2. Simplify:                                                                                                             \displaystyle f(3x) = \frac{6x + 5}{3x + 4}
7 0
3 years ago
Please help me with these geometry questions.
sashaice [31]

Answer:

1)2(lb+bh+hl)

=2(17*12+12*8+8*17)

=2(204+96+136)

=2*436

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2)2*pi*r(r+h)

=2*3.14*14(14+29)

=6.28*14(43)

=6.28*14*43

=3780.56 mm^2

3)A=11*4.3+3*6 +3*8+11*3(Area of each plane figure -triangle and rectangle)

=47.3+18+24+33

=122.3cm^3

4)h*(sum of II sides)+14*8+19*8+14*8+25(Area of plane surface-trapezium,rectangle,square)

=12.1(19+5)+112+152+112+25

=12.1*24+401

=290.4+401

=691.4ft^2

7 0
3 years ago
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