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lubasha [3.4K]
3 years ago
13

Mrs. Berry’s class organized the lunch orders for their upcoming party in the table below.Lunch Orders for the Class Party

Mathematics
2 answers:
OLEGan [10]3 years ago
8 0

Given:

Number  of Vegetarian Sandwich = 3

Number of Turkey Sandwich  = 7

Number  of  Pepperoni Pizza  = 8

Number  of  Cheese Pizza  = 10

To find:

The ratio which represents the number of orders for pepperoni pizza to cheese pizza.

Solution:

The ratio of number of orders for pepperoni pizza to cheese pizza is

\text{Ratio}=\dfrac{\text{Number of orders for pepperoni pizza}}{\text{number of orders for cheese pizza}}

\text{Ratio}=\dfrac{8}{10}

\text{Ratio}=\dfrac{4}{5}

Therefore, the required ratio is 4:5 and option A is correct.

cestrela7 [59]3 years ago
4 0

Answer:

4.5

Step-by-step explanation:

i did the quiz in edge 2020

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olga nikolaevna [1]

Answer:

1, 25c coin 2, 5c coins and 1, 10c coin!

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Find the constant difference for a hyperbola with foci (-3.5, 0) and (3.5, 0) and a point on the hyperbola (3. 5, 24).
Solnce55 [7]

Answer:

2a=1

Step-by-step explanation:

The constant difference for a hyperbola \dfrac{x^2}{a^2}-\dfrac{y^2}{b^2}=1 is  2a.

1. Since hyperbola has foci (-3.5, 0) and (3.5, 0), then c=3.5. Note that c=\sqrt{a^2+b^2}, then

\sqrt{a^2+b^2}=3.5\Rightarrow a^2+b^2=3.5^2.

2. Since point (3.5,24) lies on the hyperbola, then

\dfrac{3.5^2}{a^2}-\dfrac{24^2}{b^2}=1.

3. Solve the system of two equations:

\left\{\begin{array}{l}a^2+b^2=3.5^2\\\dfrac{3.5^2}{a^2}-\dfrac{24^2}{b^2}=1\end{array}\right.

From the 1st equation,

b^2=3.5^2-a^2,

then

\dfrac{3.5^2}{a^2}-\dfrac{24^2}{3.5^2-a^2}=1,\\ \\\dfrac{3.5^2(3.5^2-a^2)-24^2a^2}{a^2(3.5^2-a^2)}=1,\\ \\3.5^4-3.5^2a^2-24^2a^2=3.5^2a^2-a^4,\\ \\a^4-a^2(2\cdot 3.5^2+24^2)+3.5^4=0,\\ \\a^4-600.5a^2+150.0625=0,\\ \\D=(-600.5)^2-4\cdot 150.0625=360000,\\ \\a^2_{1,2}=\dfrac{600.5\pm 600}{2}=\dfrac{1}{4},600\dfrac{1}{4}.

For a^2=\dfrac{1}{4},\ b^2=3.5^2-0.25=12.

For a^2=600\dfrac{1}{4},\ b^2=3.5^2-600.25 this is impossible, then a^2=600\dfrac{1}{4} is extra solution.

Hence, a=\dfrac{1}{2} and 2a=1.

5 0
3 years ago
Please help<br> y∝1/√x If y=5<br> when x=36 find,<br> x when y=3
Fittoniya [83]

Answer:

<h3>x=60</h3>

Step-by-step explanation:

5=k×\frac{1}{36}

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3=180×\frac{1}{x}

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6 0
2 years ago
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Deffense [45]
I think D is the answer hope this helps
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