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Cerrena [4.2K]
3 years ago
11

The ratio of the number of boys to the number of girls in orchestra is 3 to 2. There are 40 girls in the orchestra, how many boy

s are in the orchestra? (GIVING BRAINLIEST!!)
Mathematics
1 answer:
postnew [5]3 years ago
7 0

Answer:

there are 30 boys in the orchestra

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Chicago Pizza charges $10.49 for a medium 14" pepperoni pizza and NY Pizza charges $20.99 for an x-large 18" pepperoni pizza.
UNO [17]

Answer:

A; The cost is $0.07 per  inch^{2}

Step-by-step explanation:

In this question, we are asked to calculate the cost of the Chicago pizza per square inch rounded to the nearest cent.

Firstly, we will need to calculate the area occupied by the 14 inch medium pepperoni pizza made by Chicago pizza

Since the pizza is circular in shape, we use the formula for the area of a circle to calculate its area in square inch

Mathematically, the area of a circle is equal to πr^{2} . Here, our r is half the size of the pizza as the 14 inch represents the full length of the pizza across the center of the pizza = 7 inch

The area is thus = 22/7 × 7 × 7 = 154 inch^{2}

Now, since the full pizza costs $10.49, the cost of the pizza per  inch^{2} is 10.49/154 = 0.068 = $0.07 per  inch^{2}

8 0
3 years ago
Are the two triangles below similar?
sammy [17]

Answer:

C

Step-by-step explanation:

Yes <em>because</em><em> </em><em>there</em><em> </em><em>are</em><em> </em><em>two</em><em> </em><em>pairs</em><em> </em><em>of</em><em> </em><em>congruent</em><em> </em><em>corresponding</em><em> </em><em>angles</em><em>.</em>

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guajiro [1.7K]
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4 years ago
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Please help thx :)))
fgiga [73]

Answer:

the answer is 78 degrees

Step-by-step explanation:

a acute angle is less than 90

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3 years ago
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Solve the equation for x.<br> 15 = -2x + 3
bekas [8.4K]

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<h2>x = -6</h2>

Step-by-step explanation:

-2x+3=15\qquad\text{subtract 3 from both sides}\\\\-2x+3-3=15-3\\\\-2x=12\qquad\text{divide both sides by (-2)}\\\\\dfrac{-2x}{2}=\dfrac{12}{-2}\\\\x=-6

6 0
3 years ago
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