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3 years ago

Hi! Please see the photo, I could really use some help!

Mathematics

2 answers:

Karo-lina-s [1.5K]3 years ago

7 0

X- intercepts is when x equals 0 and y- intercepts is when y equals 0. So, if the x is the time and the y is the height, the coordinates for the x- intercept is (0,3), and the y- intercept (7,0)

blsea [12.9K]3 years ago

3 0

X intercept = 0,3 and y intercept =7,0

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Write an exponential function in the form y = ab^x that goes through points (0,5)<br> and (4,6480).

tia_tia [17]

Answer:y=5(6)^x

Step-by-step explanation:

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3 years ago

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2 years ago

catering service offers 8 appetizers, 11 main courses, and 7 desserts. A banquet committee is to select 7 appetizers, 8 main

guapka [62]

Answer: The required number of ways is 46200.

Step-by-step explanation: Given that a catering service offers 8 appetizers, 11 main courses, and 7 desserts.

A banquet committee is to select 7 appetizers, 8 main courses, and 4 desserts.

We are to find the number of ways in which this can be done.

We know that

From n different things, we can choose r things at a time in $^nC_r$ ways.

So,

the number of ways in which 7 appetizers can be chosen from 8 appetizers is

$n_1=^8C_7=\dfrac{8!}{7!(8-7)!}=\dfrac{8\times7!}{7!\times1}=8,$

the number of ways in which 8 main courses can be chosen from 11 main courses is

$n_2=^{11}C_8=\dfrac{11!}{8!(11-8)!}=\dfrac{11\times10\times9\times8!}{8!\times3\times2\times1}=165$

and the number of ways in which 4 desserts can be chosen from 7 desserts is

$n_3=^7C_4=\dfrac{7!}{4!(7-4)!}=\dfrac{7\times6\times5\times4!}{4!\times3\times2\times1}=35.$

Therefore, the number of ways in which the banquet committee is to select 7 appetizers, 8 main courses, and 4 desserts is given by

$n=n_1\times n_2\times n_3=8\times165\times35=46200.$

Thus, the required number of ways is 46200.

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4 years ago

If B P ⊥ P C , what is m B C ^ ? 180 90 60

Andrei [34K]

The measure of angle BC (m ∠BC) is 90°

<h3>Perpendicular lines</h3>

From the question, we are to determine the measure of angle BC

From the given information, we have that

B P ⊥ P C

This means line BP is <u>perpendicular</u> to line PC

The angle between two perpendicular lines is 90°

Hence, the measure of angle BC (m ∠BC) is 90°.

Learn more on Perpendicular lines here: brainly.com/question/138956

#SPJ1

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2 years ago

What is -4/5 + (-1/3)

Eddi Din [679]

Answer:-17/15

Step-by-step explanation:

-4/5-1/3

-4/5+-1/3

=-17/15

3 0

4 years ago