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Varvara68 [4.7K]
2 years ago
11

What is the answer to this question? Y=x^2-1 with the input as 5

Mathematics
1 answer:
mixas84 [53]2 years ago
4 0

We can see that, when the input is 5, the output is 24.

<h3>How to evaluate an equation?</h3>

Here we have the equation:

y = x^2 - 1

Where y is the output and x is the input.

We want to evaluate it with the input as 5, so we need to replace the variable x by the number 5, we will get:

y = 5^2 - 1 = 24

Then we can see that, when the input is 5, the output is 24.

If you want to learn more about evaluating functions:

brainly.com/question/1719822

#SPJ1

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Jenna's family is going on a trip * after driving 72 miles they used 3.2 gallons of gas * After driving 72 miles, they used 3.2
guajiro [1.7K]

Answer:

2

Step-by-step explanation:

Given Data:

total distance= 850 miles

gas tank holds gas= 15 gallons

mileage = 72/3.2 miles/gallon

if

72 miles uses= 3.2 gallon

then

850 miles uses= x gallons

by cross-multiplication we get

72x=3.2(850)

x=37.778

i.e. 850 miles will use 37.7778 gallon of gas

Asgas tank holds 15 gallons

number of times gas tank is used up= 37.3/15

                                                            = 2.518

rounding off

number of times gas tank is used up=3

As they filled the gas tank at the start of the road trip, hence 3-1=2

ADDITIONAL STOPS FOR GAS WILL THEY NEED TO MAKE TO GET TO THEIR DESTINATION =2 !

7 0
3 years ago
i have to mins john made some brownies to share equllay among himself and 7 friends what fraction of brownie can each person hav
Scorpion4ik [409]

Answer:

They each get 1/8 of the brownie

Step-by-step explanation:

Hurry up! don't want you getting a zero!

3 0
2 years ago
Find the slope of the line that passes through (66, 85) and (4, 21).
Grace [21]

<em>The</em><em> </em><em>right</em><em> </em><em>answer</em><em> </em><em>is</em><em> </em><em>3</em><em>2</em><em>/</em><em>3</em><em>1</em>

<em>pl</em><em>ease</em><em> </em><em>see</em><em> the</em><em> attached</em><em> picture</em><em> for</em><em> full</em><em> solution</em>

<em>Hope </em><em>it</em><em> helps</em>

<em>Good</em><em> </em><em>luck</em><em> on</em><em> your</em><em> assignment</em>

8 0
3 years ago
Read 2 more answers
If the coordinates of the endpoints of a diameter of the circle are known, the equation of a circle can be
miskamm [114]

The equation of the circle would be (x - 1)² + (y - 3)² = 65.

<h3>What is the equation of a circle?</h3>

The equation of a circle with center (h,k) and radius, r in center radius form is given;  

(x - h)² + (y - k)² = r²

The coordinates of the center of the circle can be calculated by the formula

((x₁ + x₂)/2, (y₁ + y₂)/2).

The point (x₁,y₁) = (9, 2) and (x₂,y₂) = (-7, 4).

So, ((9 -7)/2, (4 + 2)/2) = (1, 3).

Now, r² = (x₂ - x₁)² + (y₂ - y₁)².

Let (x₁, y₁) = (1, 3) and (x₂, y₂) = (-7, 4).

So, r² = (-7 -1)² + (4 - 3)²

= -8² + 1² = 64 + 1 = 65.

With center (h,k) = (1, 3) and r² = 65, we have

Thus, the equation would be (x - 1)² + (y - 3)² = 65.

Learn more about the equation of circle;

brainly.com/question/14786372

#SPJ1

6 0
1 year ago
PLEEEEEEEEEEEASE HELP
Artemon [7]

Step-by-step explanation:

5f

5 + n times of a number

3 0
3 years ago
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