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3 years ago

14

Peyton has 2 pizzas each pizza is cut into 10 equal slices she and her friends eat 14 slices what part of the pizzas did they ea

t write your answer as a decimal

1 answer:

marysya [2.9K]3 years ago

7 0

Answer:

14/20 = 7/10 = .7

Step-by-step explanation:

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3 There are 4 quarts in a gallon. Which function models the number of quarts in x gallons? A h(x) = 0.25% B h(x) = 4x C h(x) = x

WINSTONCH [101]

Answer:

$h(x) = 4x$

Step-by-step explanation:

Given

$4\ qt \to 1\ gallon$

Required

Number of quarts in x gallon

This can be represented as:

$h(x) \to x\ gallon$

So, we have:

$4\ qt \to 1\ gallon$

$h(x) \to x\ gallon$

Cross Multiply

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3 years ago

Help me to solve this question

Lynna [10]

Answer:

$\left \{ {{\theta_1=\frac{\pi }{4} } \atop {\theta_2=\frac{3\pi }{4} }} \right. .$

Step-by-step explanation:

$2*cos^2\theta-1=0\ \ \ \ (0^0\leq \theta\leq 360^0)\ \ \ \ \ \theta=?\\2*cos^2\theta-(sin^2\theta+cos^2\theta)=0\\2*cos^2\theta-sin^2\theta-cos^2\theta=0\\cos^2\theta-sin^2\theta=0\\cos2\theta=0\\0^0\leq \theta\leq 360^0\ \ \ \ \Rightarrow\\\left \{ {{2\theta=\frac{\pi }{2}\ |:2 } \atop {2\theta=\frac{3\pi }{2}\ |:2 }} \right. \ \ \ \ \left \{ {{\theta_1=\frac{\pi }{4} } \atop {\theta_2=\frac{3\pi }{4} }} \right. .$

Good luck and have a nice day!

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2 years ago