3 years ago

What the perimeter of this

Mathematics

1 answer:

olga2289 [7]3 years ago

6 0

D) 142 (i can't make the square root symbol)

/18 = 3/2
(3/2 + 4/2) x 2 = 14/2

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The florist charges $31.75 for eight roses and five carnations. For one rose and three carnations, it cost $5.75. What is the co

Sedbober [7]

Cost for a carnation is $0.75

Step-by-step explanation:

Let,

Rose = x

Carnation = y

According to given statement;

8x+5y=31.75 Eqn 1

x+3y=5.75 Eqn 2

$Multiplying\ Eqn\ 2\ by\ 8\\8(x+3y=5.75)\\8x+24y=46 \ \ \ Eqn\ 3\\Subtracting\ Eqn\ 1\ from\ Eqn\ 3\\(8x+24y)-(8x+5y)=46-31.75\\8x+24y-8x-5y=14.25\\19y=14.25\\Dividing\ both\ sides\ by\ 19\\\frac{19y}{19}=\frac{14.25}{19}\\y=0.75$

Cost for a carnation is $0.75

Keywords: Linear equations, Addition

Learn more about linear equations at:

#LearnwithBrainly

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2 years ago

Evaluate -4a + 10 when a = -2

stiks02 [169]

Answer:

18

Step-by-step explanation:

replace a with -2

-4(-2) + 10

multiply the -4 and the -2, the negatives cancel out and leave you with 8

8 +10

just add

4 0

2 years ago

A number x divided by 36

drek231 [11]

Answer:

x/36 is what you're looking for my guy

7 0

1 year ago

Which is true about the completely simplified difference of the polynomials 6x6 − x3y4 − 5xy5 and 4x5y + 2x3y4 + 5xy5?

mart [117]

its D -The difference has 4 terms and a degree of 7.

3 0

3 years ago

Help me on this one for 10 points

nekit [7.7K]

Answer:

m ACG = 17

x = 24

Step-by-step explanation:

$1)\ m\ ACG = x - 7 = 90 - 73 = 17$

$2)\ x - 7 = 17 => x = 17 + 7 = 24$

6 0

2 years ago

Read 2 more answers