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Zigmanuir [339]
3 years ago
8

1. Five more than a number is eight.

Mathematics
1 answer:
kolezko [41]3 years ago
4 0

Answer

<u>3</u>, the number is 3

Step-by-step explanation:

work backwards, do 8-5 to get three. you can check to see if you're right by adding 5 to 3, which gives you 8.

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Use the DISCRIMINANT of the quadratic equation to determine HOW MANY and what TYPE of solutions it will have.
wel

Answer:

Step-by-step explanation:

4 0
3 years ago
Which graph represents the exponential function below f(x)=5(3)^x-1
castortr0y [4]

Answer:

Given Exponential Function is :

f(x)=5\times3^x-1

We have check which graph represent given Exponential Function,

let, y=5\times3^x-1

Put x = 0, we get

y=5\times3^0-1

y = 5 × 1 - 1 = 4

One of the passing through point = ( 0 , 4 )

Now, Put y = 0, we get

0=5\times3^x-1

3^x=\frac{1}{5}

log\,(3^x)=log\,(0.2)

x\:log\,3=log\,0.2

x=\frac{log\,0.2}{log\,3}

x=\frac{log\,0.2}{log\,3}

x = -1.465

Another passing through point is ( -1.465 , 0 )

So, Clearly No Given Option in attached is correct.

Correct Graph is attached.

8 0
3 years ago
Unit 3 : Piecewise Functions
MaRussiya [10]

Answer:

wheres the question. that's just a topic

6 0
3 years ago
PLEASE HELP! I'LL GIVE BRAINLIEST:)
Taya2010 [7]

Step-by-step explanation:

We know that if (h,k) is the center of any circle and whose radius is = r then its equation is :

{(x - h)}^{2}  +  {(y - k)}^{2}  =  {r}^{2}

Given, the equation of circle

{(x + 2)}^{2}  + (y - 3) ^{2}  = 25 =  {5}^{2}

By comparing, we will get,

h = -2

k = 3

So, center of the circle is ( -2,3)

\large \green{  \:  \:  \:  \:  \boxed{\boxed{\begin{array}{cc} \bf\:Mark\\\bf\:me\:as\\\bf brainliest \end{array}}}} \\

5 0
3 years ago
Read 2 more answers
Help&amp;EXPLAIN <br> •••••••••••••••••••<br> Help plz
Stolb23 [73]

Answer:

diameter = 2.5 feet

Step-by-step explanation:

Circumference of a circle is given as C = πd

Circumference of the tree trunk = 7.85 ft

π = 3.14

Diameter of the tree trunk = d

Thus:

7.85 = 3.14*d

Divide both sides by 3.14

7.85/3.14 = 3.14*d/3.14

2.5 = d

d = 2.5 ft

3 0
3 years ago
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