Answers
Answer:
Step-by-step explanation:
[tex]7d + 3n = 85 \\ 7d = 85 - 3n\\d = \frac{85}{7} - \frac{3}{7}x\\\\[/tex]
The slope of the equation is -3/7 and the y-intercept is 85/7
Related Questions
find the value of x
The answer is 40.
I need to show my work
Answers
Answer:
(2x+7)° + (5x+4)° + 69° = 360°
=> 2x + 7 + 5x + 4 + 69 = 360
=> 7x + 80 = 360
=> 7x = 360 – 80
=> x = 280/7
=> x = 40
Answer:
x=40
Step-by-step explanation:
(2x+7)*+(5x+4)*+69*=360* (360* because its a circle)
7x+80=360 (combine like terms)
- 80 -80 (minus 80 both sides)
7x=280 (divide 7 both sides)
x=40
1.95 × 10^5 in standard form?
Answers
You may need to remove the comma
=============================================
Explanation:
Start with 1.95 and move the decimal point 5 spots to the right to get 195,000
Or you could have this as your steps maybe
1.95 × 10^5
1.95 × 100,000
195,000
The exponent over the 10 tells us how many spaces to move. If the exponent was negative, then we would move the decimal point to the left.
plz help ill give brainliest
Answers
Answer:
what do you need help with?
Please help me, I am, tired.
Show all work to solve 3x^2 − 5x − 2 = 0.
If you answer, please tell me the reason for your steps. I've fallen behind in Algebra and need visuals to finally understand.
Answers
Answer:
(2,0) and (-1/3,0)
x = 2
x = -1/3
Step-by-step explanation:
Hi there!
You'll notice that this equation is a quadratic. When graphed, this equation looks like a parabola that crosses the x-axis at two points, which can be written as ordered pairs with an x value and a y value.
We know that both of these points will have a y value of 0, but we don't know what the x values of the points are—these are what we want to find.
(Check out the graphing program Desmos—type in your equation and it will graph it out for you.)
Notice that your equation follows this structure:
[tex]ax^2+bx+c=0[/tex]
In our case,
[tex]a=3\\b=-5\\c=-2[/tex]
We can plug our values of a, b, and c into the quadratic equation to find the two x values.
I've attached a picture of my work. At the top is the quadratic equation. I substituted our values in and solved.
You'll notice that the answer I ended up with has a ± symbol. We have to simplify this down two different ways to get our two answers: once using the plus sign, once using the minus sign. This will give us two different values for x.
We'll start with the plus sign:
[tex]\frac{5+7}{6} \\=2[/tex]
So: one of our x values is 2.
Now the minus:
[tex]\frac{5-7}{6} \\=-\frac{1}{3}[/tex]
Our other x value is -1/3.
You can check to make sure these answers work by plugging them back into the original equation for x. If they work, the left side of the equation should boil down to 0.
Let me know if you have any other questions! Best of luck with getting caught up in Algebra!
A total of 4500 tickets to a concert were sold and the price for each ticket was either $59 or $85. If the
amount collected was $291, 500, how many tickets were sold at each price?
O (35, 10)
O (3500, 1000)
O (1000, 2200)
O (3000, 1500)
Answers
Answer:
3500 tickets were sold at $59
1000 tickets were sold at $85
(3500, 1000)
Step-by-step explanation:
x + y = 4500
59x + 85y = 291500
x + y = 4500
x = 4500 - y
59(4500 - y) + 85y = 291500
265500 - 59y + 85y = 291500
265500 + 26y = 291500
26y = 26000
y = 1000
x + y = 4500
x + 1000 = 4500
x = 3500
Check:
x + y = 4500
3500 + 1000 = 4500
4500 = 4500
59x + 85y = 291500
59(3500) + 85(1000) = 291500
206500 + 85000 = 291500
291500 = 291500
Which of these mappings is a function?? Plzzzz help <3333
Answers
Answer:
X
Step-by-step explanation:
Each input should have one output.
explain how you can use the answer to problem 2 to verify the unit rate is 40
Answers
Answer:
6ab+8a factor out 2 from the expression. Your answer will be (2ax(3b+4). I hope this helps you.
Step-by-step explanation:<!>BRAINLIEST APPERICATED<!>
Please help me!!!!!!!!!!!!!!!
Answers
Answer:
7) (f+g)(x) = 4^x +5x -5
8) (f-g)(x) = 4^x +x +5
Step-by-step explanation:
7) add the two expressions.
(f+g)(x) = f(x) +g(x) = (4^x +3x) +(2x -5)
(f+g)(x) = 4^x +5x -5
__
8) subtract g(x) from f(x).
(f-g)(x) = f(x) -g(x) = (4^x +3x) -(2x -5) = 4^x +3x -2x +5
(f-g)(x) = 4^x +x +5
A scuba diver descended to an elevation of 250 feet, examined some coral, and then ascended 14 feet to observe a school of clownfish. At what elevation was the school of clownfish
Answers
Answer:
236
Step-by-step explanation:
Answer:
who ever gave you that needs help
Step-by-step explanation:
Find the slope of the line passing through the points (-8, 2) and (-8, - 7).
slope:
Answers
Write the equation of the line that passes through the points (4, -3) and (3, 2). Put your answer in fully reduced point-slope form, unless it is a vertical or horizontal line.
Answers
Answer:
Use the slope equation to find the slope of the 2 points. Then substitute the values given and the slope into the point slope equation.
Step-by-step explanation:
Point slope equation: y − y1 = m(x − x1)
Slope: y2-y1/x2-x1
According to most medical doctors, a person’s normal body temperature should remain within 0.5 degrees Fahrenheit of 98.6°F. Which equation below can be used to determine the lowest and the highest body temperature that would be considered normal?
A. |t−0.5|=98.6
B. |t−98.6|=0.5
C. |t+0.5|=98.6
D. |t+98.6|=−0.5
Answers
9514 1404 393
Answer:
B. |t−98.6|=0.5
Step-by-step explanation:
You want the equation that says the positive difference from 98.6 is equal to 0.5. That equation is ...
|t−98.6| = 0.5
A car is traveling down a highway at a constant speed, described by the equation d=75t, where d represents the distance, in miles, that the car travels at this speed in t hours. Use this information to answer all the questions below.
A. What does 75 tell us about this situation?
B. How many miles does the car travel in 2.5 hours?
C. How long does it take the car to travel 50 miles at this speed?
Answers
Answer:
A 75 represents speed.
B 187.5 miles
C about 40 mins
Step-by-step explanation:
A distance is calculated by multiplying speed by time.
B 75 * 2.5
C 50/75 = 0.67 0.67 of an hour is about 40 mins.
Study the map of religions in Europe.
A map of Religion in Europe. Christianity is marked in shades of purple. Islam is marked in shades of green. Italy is 75 to 90 percent Christian. Spain is over 90 percent Christian. Germany has no data. The United Kingdom is 50 to 75 percent Christian.
In which country does more than 90 percent of the population practice Christianity?
Italy
Spain
Germany
United Kingdom
Answers
Answer:
b: spain
Step-by-step explanation:
ot it right on edg 2020
Answer:
Yea its B- Spain
Step-by-step explanation:
Which expression is equivalent to 6423?
Answers
I need help ASAP PLEASE HELP ME AND FAST
Answers
Answer:
Scale factor: 1/3 X=4
Scale factor: 5 X=20
Step by step explanation:
give brainliest please lol
(2x + 35)=(5x-22) what’s x
Answers
Answer:
x=19
Step-by-step explanation:
PLEASE HELP ME
I really really really need help
Answers
Answer:
c
Step-by-step explanation:
if f(x)=3x-1,find f(3)
Answers
F(3)=3(3)-1
F(x)=9-1
F(x)=8
Answer:
f(3) = 8
Step-by-step explanation:
f(x) = 3x - 1
f(3) = 3(3) - 1
f(3) = 9 - 1
f(3) = 8
Developing spiritual wellness includes:
A.
Finding an inner peace
B.
Participating in self-nurturing activities
C.
Respecting other people
D.
All of the above
Answers
Answer:
The answer is D all of the above
Step-by-step explanation:
Being spiritually well means to be clean and pure thus meaning having inner peace, participating in self nurturing activities and being respectful of others.
Describe the nature of the roots for this equation.
x² – 2x+1=0
O A. Two complex roots
O B. Two real, irrational roots
O C. Two real, rational roots
O D. One real, double root
Answers
Answer:
its d ok make me brialyisyt plssssss
Please help I’m in a hurry
Answers
Answer:
c
Step-by-step explanation:
simplify:
3 (2x + 6) + 5x
Answers
Sarah has 36.8 oz of water. She wants to pour 0.4 oz into
different cups. How many cups can she fill?
Answers
Answer:
92 cups
Step-by-step explanation:
36.8/.4 or 368/4 is 92
92 cups
Answer:
92 oz
Step-by-step explanation:
36.8 ÷ 0.4 = 92 ozI hope this helps!
Solve 4x – 2(x + 1) = 3x + 10.
Answers
Answer:
x=-12
Step-by-step explanation:
4x−2(x+1)=3x+10
Step 1: Simplify both sides of the equation.
4x−2(x+1)=3x+10
4x+(−2)(x)+(−2)(1)=3x+10(Distribute)
4x+−2x+−2=3x+10
(4x+−2x)+(−2)=3x+10(Combine Like Terms)
2x+−2=3x+10
2x−2=3x+10
Step 2: Subtract 3x from both sides.
2x−2−3x=3x+10−3x
−x−2=10
Step 3: Add 2 to both sides.
−x−2+2=10+2
−x=12
Step 4: Divide both sides by -1.
−x/−1=12/−1
x=−12
Answer:
x=−12
Answer:
x=-12
Step-by-step explanation:
4x-2x-2=3x+10
2x-2=3x+10
2x-2+2=3x+10+2
2x=3x+12
2x-3x=3x+12-3x
-x=12
-x/-1 = 12/-1
x= -12
Susan can read 72 words in One-third of a minute. Which statement is correct? She can read 24 words per minute, because 72 divided by One-third is equal to 24. She can read 24 words per minute, because 72 times One-third is equal to 24. She can read 216 words per minute, because 72 divided by One-third is equal to 216. She can read 216 words per minute, because 72 times One-third is equal to 216.
Answers
Answer:
The answer is
"She can read 216 words per minute because 72 divided by One-third is equal to 216."
Step-by-step explanation:
Given the statement
Susan can read 72 words in One-third of a minute ....pause
Whats is one-third of a minute
it is expressed as 1/3*60=20sec
so Susan can read 72 words in 20 second
this means that in a minute she can read
72+72+72 words= 216 word since 20sec*3 is 1 minute
alternatively
[tex]=\frac{72}{\frac{1}{3} }[/tex]
we then multiply 73 with the inverse of the denominator
=[tex]72*\frac{3}{1}[/tex]
=216 words
Answer:
is c then
Step-by-step explanation:
12 out of 100 kids make it to the Houston Rodeo. How many kids will make it
out 750?
Answers
Answer:
90/750 or 8.33 round and it would be 9 kids or 45/375
Step-by-step explanation:
12/100 to ?/750
100 to 750 would be 7.5 *100
so 12 *7.5 = 90
90/750= 8.33
or 45/375
Ratio of 12:100
12 x 7 and 100 x 7
84:700
12:100 / 2 = 6:50
90:750
Out of 750 kids, 90 make it
I'm pretty sure anyway, hope this helps!
A number minus 8 is the same as a number
n divided by 2.
Answers
A number minus 8 is the same as a number divided by 2.
To Find :We have to find that number[tex].[/tex]
Solution :Let the number be x.
From the given question,
1. Number minus 8
x - 8 ..... (I)2. Number divided by 2
x/2 ..... (II)ATQ : (I) = (II)
⭆ x - 8 = x/2
⭆ 2(x -8) = x
⭆ 2x - 16 = x
⭆ 2x - x = 16
⭆ x = 16
#CarryOnLearningHELP ASAP PLZ !!!!!!
Solve this problem.
If it takes 4 hours to travel 240 miles in a car, what is the average speed of the car?
Answers
Answer:
48 mile/hours ????
Step-by-step explanation:
because you divided 240 by 4
A recipe calls for 3 cups of flour to make 7 cookies. If Nancy made 98 cookies, how many cups of flour did she use?
Answers
Answer:
42
Step-by-step explanation:
7 cookies : 3cups
98 cookies: more
98
--- × 3 = 42 cups
7