the sum of twice a number and 13 is 75

Answers

Answer 1

Greetings!

"The sum of twice a number and 13 is 75."...

Let's translate this into an equation:
[tex]2x+13=75[/tex]
Solve for x:
Add -13 to both sides.
[tex](2x+13)+(-13)=(75)+(-13)[/tex]
Simplify.
[tex]2x=62[/tex]
Divide both sides by 2.
[tex](2x)/2=(62)/2[/tex]
Simplify.
[tex]x=31[/tex]

The variable is equal to 31.

Hope this helps.
-Benjamin

Related Questions

115 students are going on a field trip. How many buses do they need if each bus holds 30?

Question 2 options:

3

4

5

6

Answers

It will be 4 buses. In the 4th bus there will be 5 seats left.

asher recently bought the poster shown at the right. What is its area? Explain your reasoning to a classmate.

Answers

The area is = length x width
= 4ft x 3.2ft = 12.8ft
To calculate area of a rectangle you must multiply the length of the rectangle by the width to solve for the area of the shape

Whats the answer to this?

Answers

6^7
-----
6^5
===
answer would be
6^2

6^2 or 36 is the answer

26=8+v show your work in one step

Answers

26=8+v Subtract 8 from both sides
-8 -8

18=v

one table sale has 75 cookies. Another table has 60 cupcakes. which table allows for more rectangular arrangements when all the cookies and cupcakes are displayed?

Answers

60 cupcakes because u can put 5 rows with 12 in each or u can do 12 rows with 5 in each.

Is there a difference between (-1)^2 vs. -1^2 ?

Answers

The (-1)^2 means the your multiplying the understood one (-1^1)2 so it's actually like that and then -1^2 is -1*-1

well one would really come out as a positive(+) number and the other would come out as a negative(-) number
[tex] (-1)^{2} = 1[/tex] and [tex] -1^{2} = -1 [/tex]

Which diagram shows ∠1 and ∠2 as vertical angles?

Answers

When two line cross each othe vertical angles are formed

Which is bigger 1/3 or 0.33

Answers

They are the same because 1/3 is 1 divide 3 is equal to 0.33333333 which is like forever 3 so it would be 0.33

1/3. 1/3 is bigger because it is 0.33 repeated, while 0.33 = 0.330

Hope this helps!

P = W/t solve for W?

Answers

you have p = w/t

first, multiply both sides by t:

t*p = w/t
tp=w

then divide both sides by p and you get:

t/p = w / p
{T=W/P}
and you've solved for t

Step 1: Multiply both sides by t.pt=wStep 2: Flip the equation (just so it makes a little more sense and looks easier)w=pt

The rectangle below has an area of x^2-144 square meters and a length of x+12 meters. What expression represents the width of the rectangle?

Answers

Since length*width=area, (x+12)*width=x²-144. Dividing (x+12) from both sides, we get (x²-144)/(x+12)=width. One formula we can use is that
(a²-b²)=(a-b)*(a+b). Since 144=12², that means that x²-144=(x-12)*(x+12). Plugging that in, we get (x-12)*(x+12)/(x+12)=(x-12)=width

The expression for the width of the rectangle is W = ( x - 12 )

What is the Area of a Rectangle?

The area of the rectangle is given by the product of the length of the rectangle and the width of the rectangle

Area of Rectangle = Length x Width

Given data ,

We can use the formula for the area of a rectangle to find an expression for its width:

Area = length × width

The length of the rectangle is given as x + 12 meters, and the area is given as x² - 144 square meters.

We can substitute these values into the formula and solve for the width:

x² - 144 = (x + 12) × width

To solve for the width, we can divide both sides of the equation by x + 12:

width , W = (x² - 144) / (x + 12)

W = ( x + 12 ) ( x - 12 ) / ( x + 12 )

W = ( x - 12 )

Hence , the expression that represents the width of the rectangle is given by W = (x² - 144) / (x + 12) = ( x - 12 )

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Use the partial quotient strategy to solve 74 ➗ 3

Answers

Here you go. Attached a photo of the answer.
74 / 3 = 24.66

Final answer:

To solve 74 ÷ 3 using the partial quotient strategy, you repeatedly subtract multiples of 3 from 74 until you reach a number less than 3. The final quotient is 24 with a remainder of 2.

Explanation:

To solve 74 ÷ 3 using the partial quotient strategy, you repeatedly subtract multiples of 3 from 74 until you reach a number less than 3. Here are the steps:

Start with 74 and divide it by 3. The quotient is 0.Multiply 0 by 3 to get 0, and subtract it from 74 to get 74.Add 1 to the quotient, which becomes 1.Multiply 1 by 3 to get 3, and subtract it from 74 to get 71.Add 1 to the quotient, which becomes 2.Multiply 2 by 3 to get 6, and subtract it from 71 to get 65.Continue this process until you reach a number less than 3. The final quotient is 24 with a remainder of 2.

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Apply the distributive property to factor out the greatest common factor.
56+32=

Answers

factor both of the numbers first:

56 = 2x2x2x7
32 = 2x2x2x2x2

Take out the common factors: 2x2x2( 7 + 2x2)

Simplify: 8(7 + 4)

Hope this helps!
and May the Force Be With You

-Jabba

6+(w−10)=5 please show work!!!!!!!!!!!!!
6.51−9.32+h=1.02
2/3+y−1/9=7/9
2 1/2x−3/4(2x+5)=3/8
0.9(x+1.4)−2.3+0.1x=1.6

Answers

6+w-10=5
-4+w=5
w=5+4
w=9

i dont know the others but i know the second one is 3.83

6.51−9.32+h=1.02

6.51-9.32+h+9.32=1.02+9.32

6.51+h-6.51=10.34-6.51

h=3.83

what is f(0)+ g(0)??

please someone help me

Answers

You would need the equations of both the function f and g but if it is only a number and a variable, both solutions would be zero.

The answer would be just zero

A recipe for banana bread requires 3 cups of bananas for every 1 1/2 cups of sugar used. At this rate, how many cups of sugar should be used if 2 cups of bananas are used

Answers

The proportion will be
3 cups banana/1.5 cups sugar=2 cups banana/ x cups sugar.
How do you make 3 into a 2? You divide on a calculator which will get you 1.5. So what you do on top you do to the bottom as well.
Since 2*1.5=3, you have to multiply 1.5 by 1.5 which will get you 2.25. if you want it in fraction form it will be 2 1/4.
2 1/4 cups of sugar.

Answer:

4 cups of sugar will be added with 2 cups of banana in the banana recipe.

Step-by-step explanation:

A recipe for banana bread requires 3 cups of banana and [tex]1\frac{1}{2}[/tex] cups of sugar.

To calculate the cups of sugar used with 2 cups of bananas we will use unitary method.

∵ [tex]\frac{3}{2}[/tex] cups of sugar is used with amount of banana = 3 cups

∴ 1 cup of sugar will be used with banana = [tex]\frac{3}{\frac{3}{2}}[/tex]

∴ 2 cups of sugar will be used with banana = [tex]\frac{2\times 3}{\frac{3}{2} }[/tex] = [tex]6\times \frac{2}{3}[/tex]

= 4 cups

Therefore, 4 cups of sugar will be added with 2 cups of banana in the banana recipe.

could negative 2 be used as a base to rewrite 32 and 64 why or why not

Answers

Alright, finding the powers of -2, we get 4, -8, 16, -32, and 64. For the powers of 2, we get 4,8,16,32, and 64. Notice that for the even powers of both, they're the same, but the odd powers are different, such as 2^5=32 and -2^5=-32. The same applies for 64, but since it's to the power of 6 (even) they're the same

whats the value of 3 in .036

Answers

Hey there The value of the 3 is in the tens place hope this helped and have a great day!!

How to set up the problem

Answers

x is the amount of money per hour ie 40
plus the additional 1000 he made in the special project
and since he made 7420

the equation is 40x+1000=7420

An eight-month used stereo system was sold for $255.75. This was one third (1/3) the amount of what this system originally cost. What was the original cost of this set?

Answers

From the givens, we know that 1/3 of the original cost is $255.75

Assume that the original price of the stereo is y, therefore:
(1/3) y = 255.75
y = 3 x 255.75

The original price of the stereo is $767.25

what are the steps to get the answer

Answers

-1/4 x 2/7

multiply the 2 top numbers and then multiply the 2 bottom numbers

1*2 = 2+4*7 =28

so answer is -2/28 which can reduce to - 1/14

Find the mean of the integers 5, -15, 7, -13, 1

Answers

(5 - 15 + 7 - 13 + 1 ) / 5

= - 25/5

= - 5

To find mean simply add up the numbers and divide by the number of numbers as shown above.

A mean is an arithmetic average of a set of observations. The mean of the integers 5, -15, 7, -13, 1 is -3.

What is Mean?

A mean is an arithmetic average of a set of observations. it is given by the formula,

Mean = (Sum of observations)/Number of observations

The mean of the given integers can be written as,

Mean = Sum of observations/Number of observations

= [5 + (-15) + 7 + (-13) + 1]/5

= (5 - 15 + 7 - 13 + 1) / 5

= -15/5

= -3

Hence, the mean of the integers 5, -15, 7, -13, 1 is -3.

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3(2b+4)=6(5b+2)

please step by step

Answers

A b=0 Subtract 12 from both sides 6b+12-12=30b+12-12

6.54 x 10 to the 7th power in standard notation

Answers

6540000000 just subtract two and then put zero

Given x is less than y compare the following expressions and determine which is greater 2 x - y or 2y - x explain your answer

Answers

2y-x is greater. x<y therefore 2x < 2y

To find a baseball pitcher's earned run average (ERA), you can use the formula Ei = 9r, in which E represents ERA, i represents the number of innings pitched, and r represents the number of earned runs allowed. Solve the equation for E. What is a pitcher's ERA if he allows 25 earned runs in 54 innings pitched? If necessary, round your answer to the nearest hundredth. The equation for E is E = . If a pitcher allows 25 earned runs in 54 innings, then the ERA = .

Answers

Ei=9r
E(54)=9(25)
E(54)=225
divide 54 from both sides
E=4.1666
the six repeats, but rounds up to 4.167, or 4.17

Answer: ERA = 4.17

Step-by-step explanation:

1. First, you need to identify the data you get from the sentence.

Earned runs: 25 (r)

Innings pitched: 54 (i)

Earned runs average: ? (ERA/E)

2. Replace your data in the formula.

Ei = 9r

E(54) = 9(25)

3. Solve the operations.

E(54) = 225

4. Now we use the transposing method to find E (ERA). 54 is

multiplying E, so it's going to move to the other side of the

equation dividing like this.

E(54) = 225 ⇒ E = 225/54

5. Calculate the result for E.

E = 4.1666666667

6. Finally, we round our answer.

E = 4.17

So, the earned runs average (ERA) is 4.17.

I NEED HELP WILL GIVE BRAINLIEST PLZZZ DON'T GET ME WRONG!
Which expression is equivalent to −2.1+(−5.9)+(−3.7) ?

S. −(2.1−5.9)+(−3.7)

T. (2.1+5.9+3.7)

F. −2.1−(5.9+3.7)

U. (2.1+5.9)+(−3.7)

Answers

i think it would be f but if you wsnt to check i have a really good calculator that can give tou the answer

The answer for this one is F. I'm 100% sure it's F because T is wrong, the answer can't be all positive numbers. S is wrong because if you distribute the negative sign from -(2.1-5.9), you will get -2.1+5.9, which is not the same as the original expression. U is also wrong because the first one, or the binomial (2.1+5.9), suppose to be negative, not positive. F is the correct answer.

The seventh grade class contributed $60 toward refreshments and the sixth grade contributed $50. How much money did the seventh grade class contribute for each dollar contributed by the sixth grade class

Answers

Seventh-grade contribution : sixth-grade contribution

$60 : $50

60/50 : 50/50

6/5 : 1

$1.2 : 1

The seventh graders donated $1.20 (one dollar and twenty cents) for every dollar donated by the sixth graders.

Adam is scuba diving he descends 5 feet below sea level he descends the same distance 4 more times what is Adams final elevation

Answers

negitive -20 good luck

The sum of the ages of Mr and Mrs Smith and their children is 100. in 5 years time it's 130. how many children do they have

Answers

Mr Smith + Mrs Smith + children = 100.

Members (x) = (130 - 100) / 5
x = 30/5
x = 6

Children = x - 2 (parents).
Children = 6 - 2
Children = 4

They have 5 children total.

Samantha says that (64)–3 = 6. Is she correct? Why or why not?

Answers

No, she is not correct. If you subtract 3 from 64, you will get 61.

She is wrong because 3 subtracted from 64 isn’t 6 it is 61.

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