Simplify these expressions a) 5 x x b) 6 xxxy c) 2 x x x 3 xy​

Answers

Answer 1

The simplified forms of the expressions are;

a.5x²

b.6x³y

c.6x⁴y

What are index forms?

Index forms are described as mathematical forms that makes numbers or values in too small or too large forms appear in a more convenient manner.

Other names for index forms are standard forms and scientific notation.

These index forms are formed by taking the exponents of numbers or variables inside of their usually repetitive forms in an expression.

From the information given, we have that;

a. 5 x x

Since the variable appeared twice, it is represented as;

5x²

b. 6 xxxy

One variable appeared three times

6x³y

C.  2 x x x 3 xy​

Multiply the numbers as well as the variables

6x⁴y

Hence, the expressions are simplified to index forms

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Related Questions

for the function R(x)= x+4/x-3, find the values of x that make the function less than or equal to 0

Answers

Answer:

-4[tex]\leq[/tex]x<3

Step-by-step explanation:

1)Break this into 2 case, equal to 0 and and less than 0.

2)The number equals zero if its numerator is 0 which happens when x=-4.

3) A fraction is less than 0 it is negative. Negative fractions are either +/- or -/+,  so we have two subcases.

3a) For +/- the numerator is positive when x>-4 and denominator is negative when x<3. Putting those two together we have -4<x<3.

3b)For -/+ the numerator is negative when x<-4 and the denominator is positive when x>3 however those two values don't overlap.

4) Putting this together we have -4[tex]\leq[/tex]x<3

what is the value of the 4 in 53.42

Answers

Answer:

The value of four is tenths. If you are stuck in a question like this, just draw a place value grid.

Answer:

tens so 4*10 = 40

Step-by-step explanation:

53.42

the value of 4 is 4*10=40

Complete the truth table for the given statement by filling in the required columns.

Answers

Answer:

-P is true.

Step-by-step explanation:

q v-p is false.

what does variable represent ​

Answers

Answer:

A variable represents an unknown, numerical value that can vary, taking on different values.

Step-by-step explanation:

In algebra/math, a variable stands for an unknown quantity that can vary, taking on different values. It is often represented by the letter x, but it can be different kinds of symbols such as a, b, z, etc.

Answer:

A variable is a quantity that may change within the context of a mathematical problem or experiment.

Step-by-step explanation:

PLS mark me as brainliest :)

If the measure of angle ACB is 15 degrees, what is the measure of arc AB?

Answers

I don’t know why doesn’t have 90° because that’s what I got but probably 15°

The sum of three numbers is 88. The first number is 8 more than the second. The third number is 3 times the second. What are the numbers?

Answers

Answer:

The numbers are 24, 16 and 48

Step-by-step explanation:

For this equation you need to use all the information you have to add in 3 variables, use the information you have to connect them, so you only use one number. You’ll have the second number (x), the first number (x+8) and the third number (3x) now we use all of that to make an equation.

88=x+(x+8)+3x

Now you simplify the equation,

88=5x+8

Now get the x and it’s coefficient alone on one side

80=5x

Now divide both sides so the x is alone

x=16

Since the second number was x you know the second number

the first number is x+8 since x is 16 the first number is 24

The third number is 3 * x so the third number is 48.

So the numbers are 24, 16 and 48

A pair of Jeans cost $88 A jeans jackets cost twice as much What is the cost of a Jean jacket and 4 pairs of jeans

Answers

Answer:

$528

Step-by-step explanation:

$88 x 4 to find the cost of total amount of jeans

$88 x 2 for total cost of jean jacket

Add both together to find total amount

You already found what jeans cost. Now all you have to find is the cost of the jean jacket

88*2 = 176.

Now you have to multiply 4 onto the 88. Your answer is 352.

Solve the word problems.
Show your work clearly.

1. Ryan started watching a movie at 20 25. The movie lasted 2 hours 25 minutes. What time did the movie end?

____h ___min
⬇️

20:25 21:25 22:25 ?

______ hours after 20:25 is _______ minutes after ______ is.

The movie ended at _____​

Answers

2 hours after 20 25 is 22 25

25 minutes after 22 25 is 22 50

The movie ended at 22 50

Two rules for creating a pattern are given below.

Rule 1: Multiply x by 5 to get y.

Rule 2: Add 12 to x to get y.

Which ordered pair, (x,y), works for both rules?

Choose 1 answer:

(Choice A)

(5,25)

(Choice B)

(3,15)

(Choice C)

(0,12)

Answers

Choice B

First make an equation for both rules.
Rule 1: y=5x
Rule 2: y= x+12

Then plug in each ordered pot to find which one works

Choice A (5,25)
Rule 1: 25=5(5)
25=25
Rule 2: 25=5+12
25=17
Choice a works for rule 1 but not rule 2 therefore it does not work

Choice b (3,15)
Rule1: 15=3(5)
15=15
Rule 2: 15=12+3
15=15
Choice be works works for both equations therefore it is the answer

Choice c (0,12)
Rule 1: 12=5(0)
12=0
Rule 2: 12=12+0
12=12
Choice c works for rule 2 but not 1 do it cannot be the answer.

Triangle HEF is the image of triangle HGF after a reflection across line FH. Write a congruence statement for the 2 congruent triangles.

Answers

EF= FG
EH= HG
Angle G= angle E

The required statement for the 2 congruent triangles is 1. EF = FG, 2. EH = GH, and ∠E = ∠G.

Given that,
Triangle HEF is the image of triangle HGF after a reflection across line FH. To determine a congruence statement for the 2 congruent triangles.

What is congruent geometry?

In congruent geometry, the shapes that are so identical. can be superimposed to themselves.

Here,
Since triangle HEF is the image of triangle HGF after a reflection across line FH.
Implies,
1. EF = FG
2. EH = HG
3. ∠E = ∠G


Thus. the required statement for the 2 congruent triangles is 1. EF = FG, 2. EH = GH, and ∠E = ∠G.

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-4b - 5 > -25
please show work

Answers

Answer:

b<5

Step-by-step explanation:

-4b -5 > -25

add 5 to both sides

-4b>-20

divide by -4

flip the greater than sign

b<5

Find: 11/3 divided by 2/3
The quotient is 5 and ______

Answers

Answer:

1/2

Step-by-step explanation:

11/3 divided by 2/3

=5.5

11/3 divided by 2/3 , the quotient is 5 and remainder is 1.

The divisor is the integer that divides a given number. The resultant number is sometimes referred to as the quotient. The residual is the number that the divisor leaves after partially dividing the original integer.

Let,  first number is x and second number is y

On dividing given two number

Division=x/y

[tex]x/y=\frac{11/3}{2/3}[/tex]

[tex]x/y=11/2[/tex]

It is given that the quotient for dividing two numbers is 5.

Using,

Dividend = Divisor x Quotient + Remainder

Here,

Dividend =11

Divisor =2

Quotient =5

On, substituting these values to get Remainder

11=2 x 5+ Remainder

Remainder=1

Thus, remainder is 1.

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35 kg 22 g - 21 kg 75 g

Answers

Answer:

Loading,please wait...

Step-by-step explanation:

A machine can blow up 20 balloons in 4 min.
How many balloons can it blow up in 60 min?

Answers

Answer:

120

Step-by-step explanation:

all you have to do is multiply 20*60

Answer:

The machine can blow up 300 balloons in 60 min.

Step-by-step explanation:

60 ÷ 4 = 15. 15 x 20 = 300. We know it takes 4 minutes to blow up 20 balloons. 4 minutes is only 1/15 of 60, so that means you have to blow up 20 balloons 15 times, which will take 60 minutes, and in that 60 minutes, you blew up 300 balloons.

Hope it helps!

This size running track is usually called a 400-meter track. However, if a person ran as close to the "inside" as possible on the track, they would run less than 400 meters in one lap. How far away (in meters) from the inside border would someone have to run to make one lap equal exactly 400 meters?

Answers

Answer:

its 0 because its -400-400=0

Step-by-step explanation:

I'll give brainliest if you answer this question

Answers

Answer:

y-intercept: 2

x-intercept: -7

Step-by-step explanation:

help me pleaseee , i need help i have to pass

Answers

First we need interest annually

P=150000R=6.6%T=1

[tex]\\ \sf\longmapsto I=\dfrac{PRT}{100}[/tex]

[tex]\\ \sf\longmapsto I=\dfrac{150000(6.6)}{100}[/tex]

[tex]\\ \sf\longmapsto I=1500(6.6)[/tex]

[tex]\\ \sf\longmapsto I=9900[/tex]

Now monthly interest

[tex]\\ \sf\longmapsto \dfrac{9900}{12}[/tex]

[tex]\\ \sf\longmapsto 825[/tex]

Monthly principal=150000/12=12500

Monthly payment=12500+825=13325$

Which sum does the model below represent?
04+ (-7)= -3
0 4+ 7 = 11
8 + (-3) = 4
11+ (-4) = -3

Answers

Answer:

It represents that it is false

Step-by-step explanation:

Priya can bike 150 meters in 20 seconds At this rate how long would it take her to bike 3,000 meters

Answers

Answer: 400 seconds

Step-by-step explanation:

3,000/150=20

20*20=400

150:20 = 3,000:400

Find intercepts of: 3x-3y+9=0
X-intercept as a ordered pair
Y-intercept as a ordered pairr

Answers

3x - 3y + 9 = 0

The y-intercept is the point on the graph where it crosses the y-axis, and has coordinates of (0, b). It is also the value of y when x = 0.

To solve for the y-intercept, set x = 0:

3(0) - 3y + 9 = 0
3(0) - 3y + 9 = 0

Subtract 9 from both sides:
- 3y + 9 - 9 = 0 - 9
- 3y = -9
Divide both sides by -3 to solve for y:

-3y/-3 = -9/-3
y = 3

Therefore, the y-intercept is (0, 3).

The x-intercept is the point on the graph where it crosses the x-axis, and has coordinates of (a, 0). It is also the value of x when y = 0.

To solve for the x-intercept, set y = 0:

3x - 3(0)+ 9 = 0
3x -0 + 9 = 0

Subtract 9 from both sides:
3x + 9 - 9 = 0 - 9
3x = -9

Divide both sides by 3 to solve for x:

3x/3 = -9/3
x = -3

Therefore, the x-intercept is (-3,0).

The correct answers are:
Y-intercept = (0, 3)
X-intercept = (-3, 0)

Find the slope of the line.

Answers

Answer:

0.75

Step-by-step explanation:

I hope this helps!

We must do rise over run to find the slope.

First find 2 points that cross the corner of the grid as shown in the attached image.

Then count how many units up and over it takes to connect the 2 points. For this example, there are 3 up and 4 across.

ΔX = 0 – -4 = 4

ΔY = 1 – -2 = 3

Slope (m) = ΔY/ΔX = 3/4 = 0.75

To solve for slope, it would be [tex]\frac{rise}{run}=\frac{3}{4} =0.75[/tex] is the slope.

Hey can anyone help with this question please and thank you

Answers

Answer:

(7x-4)°= (3x+28)°. ( :. m || n, so it is alternate angle)

7x° - 4° = 3x° + 28°

4x° = 32°

x = 32/8

x = 4°

Answer:

x = 8

Step-by-step explanation:

< (7x - 4)° and < (3x + 28)° are Alternate interior angles that do not have a common vertex on alternate sides of the transversal, t. Therefore, they have the same measure.

We can establish the following equality statement to solve for x :

< (7x - 4)° = < (3x + 28)°

Subtract 3x from both sides:

7x -3x - 4 = 3x - 3x + 28

4x - 4 = 28

Add 4 to both sides:

4x - 4 + 4 = 28 + 4

4x = 32

Divide both sides by 4 to solve for x:

4x/4 = 32/4

x = 8.

To verify whether the value of x is correct, substitute x = 8 into the equality statement:

< (7x - 4)° = < (3x + 28)°

< [(7(8) - 4]° = < [3(8) + 28]°

< (56 - 4)°  = < (24 + 28)°

< 52° = < 52° (True statement. Therefore, the correct answer is x = 8).

Please mark my answers as the Brainliest, if you find this helpful :)

Need some help on this question please provide evidence on how you came up with the answer aswell.

Answers

15, this is because every time the pattern number goes up, the number of dots goes up by that same number, for example, pattern 4 has 10 dots, pattern 5 is next so 10+5=15. 15 dots in pattern 5.

0.234 is bigger or less than 0.76​

Answers

Answer: 0.234 is less than 0.76

Step-by-step explanation:

0.234 can be rounded out to 0

0.76 can be rounded out to 1

Answer:
0.234 is smaller than 0.76

i dont know the answer to this question

Answers

Answer:

- 9°C is less than -4°C

Step-by-step explanation:

The reason that why these temperatures are related because when we start counting the numbers from left, it becomes smaller. For ex- 3 is on the left of 5. So, 3 is smaller than 5. That's how when we start counting from the left in negative numbers, the negative numbers gets smaller.

17
48. Una excelente aproximación del número irracional V2 es la fracción
Comprueba este resultado y señala los errores absoluto y relativo.
12

Answers

Answer:

hi so im jeff wanna be my friends

Step-by-step explanation:

Help Please One Mixed Fraction

1/2 x 1 4/9

Answers

Answer:

13/2

Step-by-step explanation:

Answer:

13/18

Step-by-step explanation:

1/2 ×13/9

1×13 =13

2×9= 18

Don’t understand this

Answers

[tex]3.32×10^4[/tex]

Answer:

please mark me as brainlest

Step-by-step explanation:

3.32×10^4

76,860,001 in words ​

Answers

76, 860, 001 in words is Seventy six million, eight hundred and sixty thousand and one.

Hope this helps; please mark BRAINLIEST.

Answer:

seventy six million eight hundred and sixty thousandth and 1

Step-by-step explanation:

A wheel rotates 15 times each minutes. How many degrees will it rotate in 1 second of time?​

Answers

Answer:

In 1 second it Rotates 15× 360 / 60

Step-by-step explanation:

Wheel Rotates 15 times in 60 seconds

This implies that the wheel completes

15 × 360 degrees in 60 seconds

therefore,

In 1 second it Rotates 15× 360 / 60

=> 15×6 = 90 °

in 12 seconds , 12×90 = 1080°.

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