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spin [16.1K]
3 years ago
11

Graph the function f(x)=x^2+4x-12

Mathematics
1 answer:
poizon [28]3 years ago
4 0

Use those coordinates (x,y) x negative left side of coodinate plane y negative down side of the coordinate plane positive x is right side and positive y is up

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The area of a triangle is 14 square units it has a side length of a and b what is the value of b if a is 1/5
Ilia_Sergeevich [38]

Answer:

140 ft

Step-by-step explanation:

Given data

Area= 14 square feet

Height a = 1/5 ft

Base b=????

We know that the area of a triangle is given as

Area= (1/2)B*H

substitute

14= 1/2* B* 1/5

14= B/10

cross multiply

B= 140

 

Hence the base is 140 ft

7 0
3 years ago
What is the range of the function y = StartRoot x + 5 EndRoot?
Aleks [24]

Answer: y≤0

Step-by-step explanation:

Looking at the question, I'm assuming the equation is y=\sqrt{x+5}.

To find the range if this equation, it would be best to know that the graph of a square root looks like. Knowing that x=-5, the graph starts at -5 and then increases slowly to the right. Since there are no restrictions to this equation, the graph goes towards infinity.

8 0
3 years ago
Read 2 more answers
A student identification card consists
denis23 [38]

Answer:

\frac{1}{30240}

Step-by-step explanation:

Given

ID Card of 5 digits

Possibly Digits = {0,1...,9}

Required

Probability that a card has exact number 94213

First, we have o determine the total possible number of ID card numbers

Let the card number be represented by ABCDE

Given that repetition of digits is not allowed;

<em>A can be any of 10 digits</em>

<em>B can any of the remaining 9 digits</em>

<em>C can be any of the remaining 8 digits</em>

<em>D can be any of the remaining 7 digits</em>

<em>E can be any of the remaining 6 digits</em>

<em />

Total number of cards = 10 * 9 *8 * 7 * 6

Total = 30240

Provided that the card number is generated at random; each card number has the same probability of \frac{1}{30240}

Hence, the probability of having 94213 is \frac{1}{30240}

6 0
3 years ago
Molly earned $160 for walking her neighbors dog. If she walked the dog five hours each week for eight weeks how much did she mak
hichkok12 [17]

$4 an hour


5 hours per week times 8 weeks is 40 hours


$160 divided by 40 hours is $4/hr.

7 0
3 years ago
Read 2 more answers
If $5000 is invested at 7.8% interest compounded monthly, how much would you have after 54 months?
Nuetrik [128]

5000 x (1+0.078/12)^54

5000 x (1.0065)^54

$7094.37

6 0
3 years ago
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