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nasty-shy [4]
3 years ago
14

Name

Mathematics
1 answer:
tia_tia [17]3 years ago
3 0

Answer:

1. 2

2. 3

3. 7

4. 2

5. 30

6. 18

Step-by-step explanation:

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The ratio of petunias to geraniums in the greenhouse was 15 to 2. Combined there was 1020. How many geraniums were in the greenh
Mrac [35]

in short, we simply split the total amount by the given ratio, so we'll split or divide 1020 by (15 + 2) and then distribute accordingly.

\bf \cfrac{petunias}{geraniums}\qquad 15:2\qquad \cfrac{15}{2}~\hspace{7em}\cfrac{15\cdot \frac{1020}{15+2}}{2\cdot \frac{1020}{15+2}}\implies \cfrac{15\cdot \frac{1020}{17}}{2\cdot \frac{1020}{17}} \\\\\\ \cfrac{15\cdot 60}{2\cdot 60}\implies \cfrac{900}{120}\implies \stackrel{petunias}{900}~~:~~\stackrel{geraniums}{120}

5 0
3 years ago
The solutions to a certain quadratic equation are x= -4 and X = 3. Write the equation in standard form below.
SCORPION-xisa [38]

Answer:

x² + x - 12 = 0

Step-by-step explanation:

If x = -4 and x = 3 are solutions to a quadratic equation, then

(x + 4)(x - 3) = 0

Expand the brackets:  x² - 3x + 4x - 12 = 0

Combine like terms:  x² + x - 12 = 0

8 0
2 years ago
I need lots of help so please help me
VARVARA [1.3K]

The painting's original price was $3,500.

Step-by-step explanation:

Step 1:

The price now is $500 lesser than 3 times the original price. So

The current selling price = (3 × original price) - $500.

If the current selling price is y and the original price is x, then

y = 3x-500.

Step 2:

For this question, we have y = 10,000. Substituting this in the equation, we get

10,000 = 3x - 500, 3x = 10,500, x = \frac{10,500}{3} = 3,500.

So the original price of the classic painting was $3,500.

7 0
3 years ago
What is the answer?<br><br> Help me please this is due today
k0ka [10]

Answer:

Write the number 12489 in words

4 0
3 years ago
How do I work this problem: -5y + 8 = -3y + 10 ?
viktelen [127]
To do this problem:

-5y + 8 = -3y + 10 (add 3y to both sides)
-2y + 8 = 10 (subtract 8 from both sides)
-2y = 2 (divide by -2)
y = -1

7 0
3 years ago
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