Solve the equation.
3+ 4.5(2d – 3) = 7.5

Answers

Answer 1

Answer:

d=2

Step-by-step explanation:


Related Questions

Calculate the quotient below and give your answer in scientific notation.
2.64*10^-3\8.0*10^0

Answers

Answer:

The quotient of: [tex]\frac{2.64\cdot 10^{-3}}{8.0\cdot 10^0}[/tex] is: [tex]\mathbf{3.3\times 10^{-4}}[/tex]

Step-by-step explanation:

We need to find quotient of: [tex]\frac{2.64\cdot 10^{-3}}{8.0\cdot 10^0}[/tex]

We know that [tex]10^0=1[/tex]

Now solving:

[tex]\frac{2.64\cdot 10^{-3}}{8.0\cdot 10^0}\\=\frac{2.64\cdot 10^{-3}}{8.0}\\=\frac{0.00264}{8}\\=0.00033[/tex]

Writing it in scientific notation

[tex]0.00033\\=3.3\times10^{-4}[/tex]

So, the quotient of: [tex]\frac{2.64\cdot 10^{-3}}{8.0\cdot 10^0}[/tex] is: [tex]\mathbf{3.3\times 10^{-4}}[/tex]

Find the value of x. (6x - 3)º с 75° d The value of x is​

Answers

answer: x = 18

have:

75 + 6x - 3 = 180

<=> 6x = 180 +3 -75 = 108

<=> x = 108/6 = 18

Somebody help me plz

Answers

Answer:

1/3

Step-by-step explanation:

What is the y-intercept of the line y + 11=2(x+1.5)

Answers

Answer:

-8

Step-by-step explanation:

Turn the equation into slope intercept form [ y = mx + b ]

y + 11 = 2(x + 1.5)

~Distribute right side

y + 11 = 2x + 3

~Subtract 11 to both sides

y = 2x - 8

"b" represents the y-intercept, so, the y-intercept is -8.

Best of Luck!

We spotted two
during our hike through the park.
A. deer
B. deers
C. deeres
D. deered

Answers

Answer:

deer

Step-by-step explanation:

daffy + duck = Daffy Duck :)

scrie toti multiplii de trei cifre distincte ai numarului 5, care se pot forma cu cifrele: a) 5, 7 si 8; b) 0, 3 si 5. repede va roggg

Answers

Answer:

I will answer in English.

Here, we want to find all the 3-digit multiples of 5, that can be formed with the digits:

a) 5, 7, and 8. (i suppose that we can not repeat the digits)

First, we know that all the multiples of 5 end with a 5 or a 0, then the possible ones here are:

875

785

(the five must always be at the end)

b) 0, 3, and 5.

Now we have two options, if the 5 is at the end, we have:

305

(035 is not an option, because is a 2-digit number).

if 0 is at the end, we have:

350

530

What is 63/4 as a decimal?

Answers

Step-by-step explanation:

15.75 very easy.......

A dining set is priced at $785. If the sales tax is 7 percent, what is the cost to purchase the dining set? Round to the nearest cent if necessary.


A. $54.95
B. $792.00
C. $839.95
D. $1134.50

Answers

Answer:

B is the correct answer

x

1
3
=
6

Give your answer as an improper fraction.

Answers

Answer:

x=19

Step-by-step explanation:

Basic Algebra.

x - 13 = 6

Simply move the 13 to the right side.

This involves changing the sign to positive, due to it being a negative integer.

The resulting outcome is

x = 13+6

Which concludes to

x=19

Resolve into factors: 81a3 + 3b3

Answers

Answer: (3a+b)⋅(9a  2 −3ab+b2 )

Step-by-step explanation:

Brianna bought a sandwich, apple, and cookie for lunch. The total was $5. if a sandwich costs six times more than the cookie, and an apple costs three times more than the cookie, how much does each item cost?

Answers

Answer:

Cookie=0.5, Apple=1.5, sandwich= 3

Step-by-step explanation:

Lets say cookie = x, then sandwich = 6x since sandwich is 6 times more expensive, apple = 3x. function: 6x+3x+x =5

                                                                 10x=5

                                                                    x=0.5

Answer:

The cookie costs $0.50, the apple costs $1.50, and the sandwich costs $3.

Step-by-step explanation:

I multiplied 0.50 by 3 (for the apple) and got 1.50, then I multiplied 0.50 by 6 (for the sandwich) and got 3. I then added them all together and got 5.

Is she correct or incorrect Explain why she is correct or incorrect?

Answers

we need more stuff sorry but we can't awnsers it doesn't give enough instructions but from that I would say incorrect

Answer:

She is correct

Celina measured the height of a window frame as 5.55 feet, but the actual height was 6 feet. What is the percentage of error in Celina's measurement? (1 point) Question 11 options: 1) 6.45% 2) 7.50% 3) 9.12% 4) 13.33%

Answers

Is this Dolli Buchannan Its Alexis!!!!

What is the slope for the equation -12y = -10x + -24

Answers

Answer:The slope is 5/6Hope this helps!!

should be 5/6 if not well take a kiss muah

A 20 cm
B
Find the area of an equilateral triangle of each side 12 cm.
a)
4
*
Glidef​

Answers

The answer is nearly 124 cm square

Sally left the city for vacation. Sandy left six hours later going 82 miles faster to catch up. After 5 hours Sandy caught up. What was Sally's average speed?

Answers

Answer: It took Sandy 11 hours to travel the same distance that Sam took 5 hours. {{{R[s]*11=5*75}}}

{{{R[s]=(5/11)*75}}}

{{{R[s]=34.9}}}{{{mph}}}

Don't ask sometimes i don't make sense...

The final answer is 11 hours... Hope this helps... Stay safe and have a great weekend!!! :D

Answer:

68 1/3

Step-by-step explanation:

Going 82 mph faster for 5 hours, Mary closed a (82 mi/h)×(5 h) = 410 mile gap. That gap was created in 3 hours by Sandy going.

 (410 mi)/(6 h) = 68 1/3 mi/h

please mark me as brainliest. l am bagging you please.

Find the x-intercept(s) and the coordinates of the vertex for the parabola =y−x2−4x5. If there is more than one x-intercept, separate them with commas.
x-Intercept(s):
Vertex:

Answers

Answer:

x-intercepts -1, 5.

Vertex is at (2, -9).

Step-by-step explanation:

y = x^2 - 4x - 5

Completing the square:

y = (x - 2)^2 - 2^2 - 5

y = (x - 2)^2 - 9   which is vertex form.

So the coordinate of the vertex are (2, -9).

Finding the x-intercepts:

(x - 2)^2 - 9 = 0

(x - 2)^2 = 9

x - 2 = +/- 3

x =  3 + 2  or -3+2

= 5, -1.

Which equation is represented by the graph below?

Answers

Answer: 2/3 x +6

Step-by-step explanation:

slope is 2/3 and y intercept is 6

PLEASE ANSWER I GIVE POINTS:

A clothing store is advertising t-shirts on sale for (x-3) dollars and skirts for (x + 6) dollars. Write an expression that represents the cost of 5 t-shirts and 3 skirts.

Answers

Answer:

8x + 3

Step-by-step explanation:

The cost of 5 t-shirts and 3 skirts

= 5(x - 3) + 3(x + 6)

= 5x - 15 + 3x + 18

= (5x + 3x) + (-15 + 18)

= 8x + 3

Answer:

5(x-3)+ 3(x+6)

Step-by-step explanation:

5 (x-3)+ 3(x+6)

PLEASEE HELP MEEEE !!!!!

Answers

Answer:

False

Step-by-step explanation:because 2:2 dont line up.

Jude researched the prices of several different models of cell phones and made a scatter plot of his data. The equation of the line of best fit for Jude’s data is p = -2.76t + 99.05 , where p is the price of the phone and t is the number of months that the phone has been available. What is the real-world meaning of the slope of this line?

a:A phone’s price increases by about $2.76 each month that it is available.
b:The original price of each phone was $2.76.
c:A phone’s price decreases by about $2.76 each month that it is available.
d:The original price of each phone was $99.05.

Answers

Answer:$4.76 each month

Step-by-step explanation:

A phone's price decreases by about $4.76 each month that it is available.

what is the diffrince between 200,000 - 124,35

Answers

Answer:

76,650

Step-by-step explanation:

Answer: 187, 565

Step-by-step explanation:can i have brainliest?

Simplify the following expression by combining like terms:
- 2 +63 +2 - 2x + 8 - 4:

Answers

Answer:

6+4x-3z

Step-by-step explanation:

-2+6x+z-2x+8-4z

6+6x+z-2x-4z

6+4x+z-4z

6+4x-3z

The volume of a cube is 1.5 m3. Find the length of its edge to the nearest tenth of a meter.

Answers

Given:

Volume of a cube = 1.5 m³

To find:

The length of its edge to the nearest tenth of a meter.

Solution:

Let a be the length of its edge.

We know that, volume of a cube is

[tex]V=a^3[/tex]

where, a is edge.

Volume of a cube = 1.5 m³

[tex]a^3=1.5[/tex]

Taking cube root on both sides, we get

[tex]a=\sqrt[3]{1.5}[/tex]

[tex]a=1.14471424[/tex]

Approximate the value to the nearest tenth (one decimal place) of a meter.

[tex]a\approx 1.1[/tex]

Therefore, the length of the edge of the cube is about 1.1 meters.

what is the full from of math​

Answers

Answer:

the full form of math is mathematics

hope it helps

Answer:

full form of mathematics. Explanation: M-miracle of nature. A-art of arithmetic. T-tool of knowledge.

Hope this helps, have a great day/night, and stay safe!

Which of the following has the same value as the expression below? 4−4⋅4−64−2

Answers

Answer:

0

Step-by-step explanation:

that what goggle told me

Determine the slope between (2, 10) and (5, 19)

Answers

Answer:

m=3

Step-by-step explanation:

(y2-y1)/(x2-x1)=m

9/3

3

HTH :)

The answer is
3
That’s the slope

find the zero of the linear funtion;
f(x)=5x -10

Answers

Answer: (2, 0)

When y hits zero, that's where you can find the zero thing

A warehouse store sells 4.5​-ounce cans of tuna in packages of 3. A package of 3 cans costs ​$4.32. The store also sells 3.5​-ounce cans of the same tuna in packages of 4. A package of 4 cans costs ​$3.92. The store sells 6.5​-ounce cans in packages of 5 cans for ​$9.75. Which package is the best​ buy?

Answers

Answer:

The 6.5​-ounce cans offer the largest size at a fair cost and is the best to buy.

Step-by-step explanation:

Size of the 4.5​-ounce cans of tuna in package = 4.5 × 3 = 13.5 ounce

Cost of the package= ​$4.32

Size of the 3.5​-ounce cans = 3.5 × 4 = 14 ounce

Cost of the package= ​$3.92

Size of the 6.5​-ounce cans = 6.5 × 5 = 32.5 ounce

Cost of the package= ​$9.75

The 6.5​-ounce cans offer the largest size and is the best to buy.

can you help me pls it math slop

Answers

Answer:

Hi i am sorry but i can not seem to open the picture it say that there is not a file

Step-by-step explanation:

The answer you have is correct! It is 3.

Explanation: y increases by 3 and x increases by 1. 3 divided by 1 is 3
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