Jack is two years older than bob. If bob is x years old, what is the sum of jacks age and bobs age

Answers

Answer 1

Expression 2(x+1) represents the sum of bob and Jacks age.

What is Expression?

An expression is combination of variables, numbers and operators.

Given,

Bob is x years old,

Jack is two years older than bob=x+2

we need to find the sum of jacks age and bobs age

x plus x plus two

x+x+2

Two times of x plus two

2x+2

Take two as common, two times of x plus one

2(x+1)

Hence expression 2(x+1) represents the sum of bob and Jacks age.

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Related Questions

which statement best describes the range of f(x)=-2

Answers

The range is -2,infinite

Samir usually drink 3 cups of coffee in the morning how many liters of coffee does he drink round

Answers

Answer:

0.709765 liters

Step-by-step explanation:

5 / 6 = x / 24 . What is the number for the letter x ?

Answers

Answer:

20

Step-by-step explanation:

5      X

6     24

6*4=24

so... 5*4=x

x=20

brainlisn’t please

Answer: 20

Step-by-step explanation:

Set up a proportion:

[tex]\frac{5}{6} = \frac{x}{24}[/tex]

Divide the larger denominator by the smaller one.

[tex]24[/tex] ÷ [tex]6 = 4[/tex]

Now, multiply 4 by the numerator we already have.

[tex]\frac{5}{y}[/tex] times [tex]\frac{4}{y}[/tex] = [tex]\frac{20}{y}[/tex]

Now, add the denominator back.

You get [tex]\frac{20}{24}[/tex]. Hope this helps you!


PQR is a right-angled triangle.
Work out the size of angle PQR.
Give your answer correct to 1 decimal place.
Total marks: 3​

Answers

Answer:

67.4

Step-by-step explanation:

In picture listed above.

Brainliest Appreciated.

The measure of the angle PQR will be 67.4 degree.

What is mean by Triangle?

A triangle is a three sided polygon, which has three vertices and three angles which has the sum 180 degrees.

Given that;

Sides of a triangle are 13 cm , 5 cm, and 12 cm.

And, The angle PRQ = 90 degree.

Now,

Find the measure of angle PQR as;

The triangle PQR is a right triangle and PQ = 13 cm and PR = 12 cm.

Let measure of an angle PQR = θ

So, We can formulate;

sinθ = PR/PQ

sinθ = 12/13

θ = 67.4 degree.

Thus, The measure of the angle PQR will be 67.4 degree.

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What is the slope of the line?answer

Answers

Answer:

1

Step-by-step explanation:

the rise is 1

and the walk is 1

How to silver (10 points)

Answers

Answer:

there

Step-by-step explanation:

10.

TP = 20-12

TP = 8

SP = SQ

SP = 20

RQ = TP

RQ = 8

S-------15.5

20------12

12s = 310

s = 310/12

s =~25,8

11.

75--------46

100-------b

75b = 4600

b = 4600/75

b =~ 61,3

l² = 61,3² + 46²

l² = 3757,69 + 2116

l² = 5873,69

l = [tex]\sqrt{5873,69}[/tex]

l =~ 76,7

Approximately 18% of the population of California is 70 years or older. In a random sample of 4, what is the provability for 3 of these people to be older than 70 years old.\

Answers

Answer:

The correct response will be "0.01913".

Step-by-step explanation:

According to the question,

p - P(70 years or older)

= 0.18

n = 4

X = no. of individuals who are older than 70 years

Now,

∴ [tex]P(X=r)=n_C_r \ p^r(1-p)^{n-r}[/tex]

∴ [tex]P(X=3)=4_C_3(0.18)^3(1-0.18)^{4-3}[/tex]

                   [tex]=4\times (0.18)^3(0.82)^1[/tex]

                   [tex]=0.01913[/tex]

 

Yasir is saving up to buy a new phone. When he first decided to start saving, he had 25% of the cost already. After saving $90 more, he has 40% of the cost. Write and solve an equation to find ​c​, the cost of the phone.

Answers

I think you add subtract then find the domain and multiple it by the domain and add subtract and try to multiple it again

P and q are integers that are multiple of 5. Which of this

not true about p and q

(a) P + q is divisible by 5

(b) P –q is divisible by 10

(c) P + q is divisible by 20

(d) P + q is divisible by 25​

Answers

Answer:

we conclude that the only option (a) is true.

Step-by-step explanation:

As we know that the multiples of 5 are the numbers which we get when we multiply by 5.

i.e.

5×1=5

5×2=10

Here, 5 and 10 are multiples of 5.

Let p and q are integers that are multiples of 5.

Let us consider

p=5

q=10

so

p+q=5+10

     = 15

A number is divisible by 5 if it ends in 5 or 0.

i.e. 15/5 = 3

so p+q is divisible by 3 as there is no remainder left.

Therefore, option (a) is true.

Checking the other options:

(b) P –q is divisible by 10

As

p=5

q=10

so

p-q=5-10

     = -5

Numbers that are divisible by 10 need to be even or divisible by 2 and divisible by 5.

As -5 is not divisible by 2.

So, option b is NOT true.

(c) P +q is divisible by 20

As

p=5

q=10

so

p-q=5+10

     = 15

Divisibility rule of  20  implies that the last two digits of the number are either  00  or divisible by  20 .

Therefore, P + q= 20 is not divisible by 20 as we don't get the whole number.

(d) P + q is divisible by 25​

As

p=5

q=10

so

p-q=5+10

     = 15

p+q=15 is not divisible by 25 as it does not end with 00, 25, 50, or 75.

so, option d is NOT correct.

Therefore, we conclude that the only option (a) is true.

please help will give brianliest

Answers

Answer:

I helped

Step-by-step explanation:

you okay do can I get some points cuh

Answer:

with what?? >_>

Solve the inequality -5(x-7)<15 algebraically for x

Answers

Answer:

x>4

Step-by-step explanation:

trust

What is the value of X? GIVING BRAINLIEST FOR WHO ANSWERS BY 5 MINUTES.

Answers

Answer:

15

Step-by-step explanation:

triangle is isosceles

1
y
X
E
21
Which equation matches the graph?
OA. y = kx + 4
OB. y = 3.5 - 4
Oc. y = ks - 4

Answers

Answer:

B. [tex] y = 3x - 4 [/tex]

Step-by-step explanation:

First, using two points (0, -4) and (3, 5), find slope:

[tex]  m = \frac{y_2 - y_1}{x_2 - x_1} = \frac{5 -(-4)}{3 - 0} = \frac{9}{3} = 3 [/tex]

Slope, m = 3

Next, determine the y-intercept, b.

The y-intercept is the value of y when x = 0. It is the point where the line intercepts the y-axis.

From the graph given, y-intercept, b, is -4.

Substitute b = -4 and m = 3 into [tex] y = mx + b [/tex].

The equation would be:

✔️[tex] y = 3x - 4 [/tex]

Who is the most powerful undertale character

Answers

Answer:

Asriel Dreemurr

Step-by-step explanation:

Answer:

clearly the gay robot

hes my favorite <3

A statistic is a characteristic of a sample while a parameter is usually an unknown population parameter?
True

False

Answers

This should be Correct-Answer:

True

Explanation:

A statistic is a characteristic of a sample, a portion of the target population. A parameter is a fixed, unknown numerical value, while the statistic is a known number and a variable which depends on the portion of the population.

Parameter Definition: a quantity or statistical measure that, for a given population, is fixed and that is used as the value of a variable in some general distribution or frequency function to make it descriptive of that.

Population: The mean and variance of a population are population parameters.

Statistic Definiton: A statistic or sample statistic is any quantity computed from values in a sample that is used for a statistical purpose. Statistical purposes include estimating a population parameter, describing a sample, or evaluating a hypothesis. The average of sample values is a statistic.

The answer is: true

Hope this helps! Happy holidays;)

Last year at a certain high school, 12 students sought the nomination for president of the student body. In how many ways could the voters (student body) rank their first 4 choices?

Answers

Answer:

495 different ways

Step-by-step explanation:

This question bothers on combination. Combination has to do with selection. When selecting r objects from a pool of n objects, this is expressed as;

nCr = n!/(n-r)!r!

For us to choose rank the first 4 choices from 12 students nominated, this can be done in 12C4 number of ways;

12C4 = 12!/(12-4)!4!

12C4 = 12!/8!4!

12C4 = 12*11*10*9*8!/8!*4*3*2

12C4 = 12*11*10*9/24

12C4 = 11880/24

12C4 = 495 ways

Hence this can be done in 495 different ways

25 POINTS! factor the trinomial:[tex]x^2-2x-2[/tex]

Answers

( x − 1 + i ) ( x − 1 − i )

Step-by-step explanation:

_____________ (x-1+i)(x-1-i)

50 points!
What is a quartic function with only the two real zeroes given? x = 5 and x = 1

y = -x4 - 6x3 + 6x2 - 6x + 5
y = x4 + 6x3 - 6x2 + 6x - 5
y = x4 - 6x3 + 5x2 - 6x + 6
y = x4 - 6x3 + 6x2 - 6x + 5​

Answers

Answer

y = x4 - 6x3 + 6x2 - 6x + 5​

Step-by-step explanation:

usually factor and set each factor = to 0 and solve for x...so we will unsolve it.

x=5 and x=1 If you meant quartic. Quartic is a function where the leading term has a forth power. So, you can multiply the quadratic function times any other quadratic function that only gives you complex answers...the easiest would be  

y = x4 - 6x3 + 6x2 - 6x + 5​

Answer:

y = x4 - 6x3 + 6x2 - 6x + 5​

Step-by-step explanation:

Hope this helps

Type the correct answer in each box Functions h and k are inverse functions, and both are defined for all real number Using this relationship, what is the value of each function composition? (h*k)(3) ​

Answers

The value of the given composite functions would be,

1) (h o k)(3) = 3

2) (k o h)(-4b) = -4b

How to interpret Inverse Functions?

When two functions are inverses, then each will reverse the effect of the other.

For the functions f and g, we can say that;

(f o g)(x) = x and (g o f)(x) = x

For the given example,

The functions h and k are inverse functions.

Thus, for any real input value 'x',

(h o k)(x) = x and (k o h)(x) = x

So, the value of the given composite functions would be,

1) (h o k)(3) = 3

2) (k o h)(-4b) = -4b

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BRAINLIEST if you get it correctly and fastest

Answers

Answer:

The third one

Step-by-step explanation:

IF THIS GETS TAKEN DOWN IMA SCREAM

Write the slope intercept form of the equation of each line. Help me plz

Answers

The equation of the line in slope-intercept for is y=-1/2x-2

Evaluate 13 + 6/y when y = 6

Answers

Answer: 14

Step-by-step explanation: According to PEMDAS you do division first so if y=6 then you do 6/6=1. Then add 13+1

Answer:

14

Step-by-step explanation:

13 + 6/y

13 + 6/(6)

13 + 1

14

Can Someone help a girlll outttt pleasee
364÷2853.76 < I will appreciate it !!! <3

Answers

Answer:

364 divided by 2853.76 = 0.13 or 0.128

Step-by-step explanation:

(HELP QUICK) You are most likely to encounter an irrational number when you’re
A budgeting with money.
B finding the area of a circle.
C finding the area of squares.
D buying food that has a cost per pound.

Answers

Answer:

B; finding the area of a circle

Step-by-step explanation:

You are most likely to encounter an irrational

number when you are finding the area of a circle

The reason is because, to find the area of a circle, we need the number pi

Mathematically as we all know, the number pi is a very popular irrational number

Since we cannot find the area of a circle without it, then we can conclude that we are most likely to come in contact with an irrational number when we find the area of a circle

18% of the cars in the parking lot are blue.If there are 150 cars in the parking lot,how many cars are blue

Answers

Answer:

Step-by-step explanation:

14

On the grid, draw the image of a shape R after the transformation represented by the matrix (0 -1
(1 0)

Answers

............ What!?!?!??

If you are self-employed, you don't have to pay FICA on all your salary, just on 92.35% of it. If your salary is $128,255 what is your total monthly contribution (FICA is 15.3%)?

Answers

Answer:$1,510

Step-by-step explanation:

Translate this phrase into an algebraic expression.
7 more than twice Jose's height
Use the variable ; to represent Jose's height.

Answers

Answer:

2x+7

Step-by-step explanation:

Let's mark Jose's height with x. Of course, you can use any other letter or symbol.

We now need to express another value through this x. That other value we can mark with y.

This y is said to be 7 more then twice Jose's height. Jose's height is x, as we've already said, so:

y = 7 + 2•x (seven more than twice x)

That means that y = 2x+7.

A supervisor records the repair cost for 14 randomly selected refrigerators. A sample mean of $79.20 and standard deviation of $10.41 are subsequently computed. Determine the 90% confidence interval for the mean repair cost for the mean repair cost for the refrigerators. Assume the population is approximately normal.

Answers

It’s will be 90.13$ I think I’m not sure): happy thanksgivings ): byeeee

4) On a 75-question multiple choice test, Niran answered 64 questions correctly. What was his percentage score?

Answers

I believe that his percentage was 85%
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