Answer:
x = -6
Step-by-step explanation:
13x = 3(x - 20) {Use distributive method:a(b+c)=(a*b) + (a*c)
13x = 3*x - 3*20
13x = 3x - 60 {Subtract '3x' from both sides}
13x -3x = -60
10x = -60 {Divide both sides by 10}
x= -60/10
x = -6
Tell whether each proportion is true or false and prove your answer.
Answer:
the proportion is false
Step-by-step explanation:
5.5/7.5 = 11/15
3.5/7= 1/2
Just look at the pictures I really need help
Answer:
Step-by-step explanation:
It can be shown that all four sides of this figure have the same length. This, in turn, is the definition of a rhombus.
What is the answer to -2 3/4 ÷ 5/-9 ??
Answer:23 /180
Step-by-step explanation:
−23/ 4 /5 /−9= 23 /180
Answer: 99/20
Step-by-step explanation:
-2 3/4 / 5/-9
-11/4/5/9
11/4*5/9
99/20
Which graph represents 3x2 + 3y2 - 48x + 60y + 372 = 0?
Answer:
A. on edge 2021
Step-by-step explanation:
bruv
Answer:
graph (a) / first graph
Step-by-step explanation:
^u^
Write an equation for the line passing through (–6, 5) and (–6, –4).
Answer:
y = x + 11
Step-by-step explanation:
y = 9/0
Slope = 0
5 = -6 + b add 6 to both sides
11 = b
y = x + 11
Help I’m confused big points to who can solve this
Answer:
n = 2
Step-by-step explanation:
Given nx + y = 4, if we rearrange in slope-intercept form: y = -nx + 4
This means that the y-intercept is 4. Point "A" is the y-intercept, which would make OA = 4, and OB = 1/2(4) = 2.
We can now solve for n. The slope here is "-n", also represented by rise/run or OA/-OB = 4/-2 = -2.
-n = -2,
n = 2
The diameter of a circle is 14 m. Find the circumference to the nearest tenth to the nearest tenth.
Answer:
43.98
Step-by-step explanation:
You have to multiply 14 times Pi which is approximately 3.14 and then round to the nearest ten.
ayudaaa plis
7-4=
6-2=
-3-2=
-8+9=
-9+5=
1+10=
Answer:
7-4=3
6-2=4
-3-2= -5
-8+9=1
-9+5= -4
1+10=11
Step-by-step explanation:
No es tan difícil, puedes g0oglearlo
Answer: 3, 4, -5, 1, -4, 11
Step-by-step explanation:
Please help me answer this last question.
The function shown describes f(x), the cost (in hundreds of thousands of dollars) of making x bicycles (in thousands).
f(x)= 1.25 + 0.35x
B. What is the cost to make 4,000 bicycles? Show your work.
Answer:
1401.25
Step-by-step explanation:
F(4000)= 1.25+0.35(4000) = 1401.25
HELP ME 7th grade math
What is the total amount of cardboard needed to manufacture this polyhedron? (Find the surface area)
Plz answer
A rope weighs 800 grams per meter of length. What is the weight in kilograms of 12.2 meters of the rope?
Answer: the weight in kilograms is 9.76kg
Step-by-step explanation:
1 meter of length of rope = 800 g
12.2 meters of the rope= (12.2meters x 800g)/ 1 meter=9760grams
We know that 1000 g = 1kg
9760 grams = 9760/1000=9.76 kilograms
5 The area of a rectangular lawn is 255 m². If its length is 15 m, find its perimeter.
Please answer this !!!!!!!!
Then maybe you will be the Brainlist!!!!
Answer:
A. 60
B. 50
C. 5
Hope this helped :3
ANSWERS
A THE INITIAL SPEED OF CAR IS O KM/H
B THE HEIGEST SPEED OF VAN IS 50 KM/H
C FOR 10 sec THE VAN IS TRAVELING FASTER THAN CAR
PLEASE MARK ME AS BRAINLIEST
On a test Darra scored 36 points. If there were 40 points posible what grade did she get?
Answer:
90%/A
Step-by-step explanation:
if this helped please mark brainiest.
Answer:
She got a 90%
Step-by-step explanation:
You have to divide the number you got with the number that you can get out of. (36/40=0.9) and then convert the decimal to a percentage
Challenge: Perla worked 4 hours at her job on Saturday and then spent $12.75, in the supermarket, on her way home. She worked 5 hours on Sunday and earned 1.5 times her normal hourly rate because it was a holiday. She spent $8.50, at the florist, on her way home on Sunday. If Perla had $70.75 after her spending, determine her normal hourly rate.
Write and solve an equation.
Note:
decide what your variable represents (example: x is number of hours)
only use 1 variable.
Work backward to check your final answer
If Amy has two apples and drops one, how many does she have now?
interest rate and time math
1: $2745
2: $8970
Ya just multiply the percent by the amount of years and add it to the original amount of money in the account.
I do not know how to find the x in this situation can anyone help?
Answer and Step-by-step explanation:
Essentially, the figure FEHG got scaled by a factor of 1.5, and turned into BADC
So 2.4 times 1.5 is 3.6
3.6 = x
Hope this helps! #teamtrees #WAP (Water And Plant)
Answer:
The x would be 3.6
Step-by-step explanation:
If you see the relation or ration between the ABCD triangle and the EFGH then we can see that the side 2 is multiplied by 1.5 to get to 3. so you do the same thing to 2.4 and multiple that by 1.5 and 3.6.
Preston and Horatio have 49 games in total. Horatio has 11 more games than Preston. How many games does Preston have?
Classify the pair of angles.
O adjacent
O complementary
O supplementary
Onone of these
The pair of angles are acute angles.
The correct option is none of these.
What is an angle?The angles between two lines are the angles formed by two intersecting lines, measured in degrees or radians.
Several different types of angles can be formed between two lines, including acute angles, right angles, and obtuse angles.
We have,
The pair of angles of 30 and 30 are equal in measure.
But they are not adjacent, as they do not share a common vertex and a common side.
They are also not complementary, as complementary angles add up to 90 degrees, and 30 + 30 = 60.
Similarly, they are not supplementary, as supplementary angles add up to 180 degrees, and 30 + 30 = 60.
Therefore,
The pair of angles are none of the given options.
Learn more about angles here:
https://brainly.com/question/7116550
#SPJ7
I need help please!!
Answer:
Each additional cup is 1 centimeter.
Step-by-step explanation:
We know this because we can see the height on the graph. For each number of cups increased (y-axis), 1 centimeter in height increases as well.
Therefore, we can say that each additional cup is 1 centimeter.
20 subtracted from the product of x and 10
Answer:
10x-20
Step-by-step explanation:
x times 10 is 10x
10x - 20 = 10x - 20
in conclusion you cannot subtract a number from a variable
20 subtracted from the product of x and 10?
answer : 10x-20
Solve 5(11x - 2) = 155
Answer:
5(11x-2) = 155
55x - 10 = 155
55x = 165
x = 165/55
x = 3
Step-by-step explanation:
hope it helps
Penny’s backyard contains a flower garden. The dimensions of the actual garden are 5 feet by 7½ feet. A scale drawing of the flower garden is shown below.
1. What is the scale factor from the actual flower garden to the scale drawing?
Be sure to express your ratio in simplest form.
2. If the drawing is enlarged by a scale factor of 5/2, what would be the dimensions of the flower garden in the new scale drawing? Express your dimensions in decimal form. Enter the smaller of your two lengths in the first answer box.
inches x
inches
3. What is the scale factor from the actual flower garden to the new scale drawing?
Be sure to express your ratio in simplest form.
Answer:
1.) Scale factor from the actual flower garden to the scale drawing = 20 : 1
2.) Dimensions of the flower garden in the new scale drawing = 7.5 inches × 11.25 inches
3.) Scale factor from the actual flower garden to the new scale drawing = 8:1
Step-by-step explanation:
Given - Penny’s backyard contains a flower garden. The dimensions of the
actual garden are 5 feet by 7½ feet. A scale drawing of the flower
garden is 3 inches by 4.5 inches.
To find - 1. What is the scale factor from the actual flower garden to the
scale drawing?
2. If the drawing is enlarged by a scale factor of 5/2, what would
be the dimensions of the flower garden in the new scale
drawing?
3. What is the scale factor from the actual flower garden to the
new scale drawing?
Proof -
As we know that,
1 feet = 12 inches
⇒5 feet = 5×12 = 60 inches
7½ (= [tex]\frac{15}{2}[/tex]) feet = [tex]\frac{15}{2}[/tex]×12 = 90 inches
∴ we get
The dimensions of the actual garden is 60 inches by 90 inches.
1.)
As,
[tex]\frac{60}{3} = \frac{20}{1} = 20 : 1[/tex]
[tex]\frac{90}{4.5} = \frac{900}{45} =\frac{20}{1} = 20 : 1[/tex]
So,
Scale factor from the actual flower garden to the scale drawing = 20 : 1
2.)
As given, If the drawing is enlarged by a scale factor of 5/2
⇒Dimensions of flower garden = 3×[tex]\frac{5}{2}[/tex] inches by [tex]4.5 (\frac{5}{2})[/tex] inches
= 7.5 inches by 11.25 inches
∴ we get
Dimensions of the flower garden in the new scale drawing = 7.5 inches × 11.25 inches
3.)
Scale factor from the actual flower garden to the new scale drawing = [tex]\frac{60}{7.5}[/tex] = [tex]\frac{600}{75} = \frac{8}{1} = 8 : 1[/tex]
agree or desagree ? ..........
Answer:
Disagree.
If you rotate the octagon 90° it will look the same.
good luck, i hope this helps :)
Answer:
Disagree
Step-by-step explanation:
If you have any shape and you rotate it 90 degrees, it moves down and to the right, not onto itself.
Lin is solving the inequality 15−x<14. She knows the solution to the equation 15−x=14 is x=1 How can Lin determine whether x>1 or x<1 Is the solution to the inequality?
Answer:
x > 1
Step-by-step explanation:
Given the inequality ; 15 - x < 14
Since the solution to the equation 15−x=14 is x=1 ;
Then we obtain the value of x for which the inequality expression is true :
If x > 1 ; take x = 2
15 - 2 < 14
13 < 14 (true)
If x < 1 ; take x = 0
15 - 0 < 14
15< 14 (not true)
Hence, solution is x > 1
Plz help!!!!!!!!!!!!!!!!!!!
Answer:
1.
[tex]7x[/tex]
2.
[tex]x - 5[/tex]
3.
[tex]x \div 2[/tex]
4.
[tex]x + 4[/tex]
Hope it helped
PLS mark BRAINLIEST
If £25 = 450 rubles, how many £ are in 864 rubles?
Answer:
£48
Step-by-step explanation:
£25 = 450 rubles
We need to know how many rubles you can get from £1.
£25 = 450
£ = 450/25
£ = 18
So, with £1 you get 18 rubles.
To know how many £'s you would need for 864 rubles, you need to divide 864 by 18.
£ = 864/18
£ = 48
A group of friends met for lunch and shared 4 small pizzas. Each person got 1 1/3 pizzas. How many friends went for lunch?
Answer:
3 friends
Step-by-step explanation:
4 / 1 1/3 = 4 / 4/3 = 4 x 3/4 = 3 friends
Hope that helps!
Answer:
3 friends.
Step-by-step explanation:
Divide 4 pizzas by 1 1/3. This will get you 3. You can check your work by multiplying 3 by 1/13, which gets you 4 pizzas, therefore proving this answer as correct.
What inverse operation should be used to isolate the variable in the equation k − 9 = 10?
Answer:
+9
Step-by-step explanation:
k-9=10
the opposite of -9 is +9
k=19
hope this helps x
brainliest plzz
