Answer:
y=-5/2x+4
Step-by-step explanation:
find the slope by using y2-y1/x2-x1
-1-19/2-(-4)
simplify
-20/8
simplify
-5/2
use slope-intercept form, y=mx+b
since we know the slope, find b
plug in one of the ordered pairs into the equation
-1=(-5/2)(2)+b
simplify
-1= -10/2+b
simplify
-1=-5+b
add 5 to both sides
b=4
plug b into y=-5/2x+b
y=-5/2x+4
shopkeeper sells tins of the same dog food in packs of four or packs of six.
Packs of four tins cost £1. Packs of six tins cost £1.20
Which is the best value for money?
You must show your working.
Answer:
Pack of 6
Step-by-step explanation:
Pack of 4 = £1
Packs of 6 = £1.20
Price per unit of each pack:
Pack of 4 ;
Unit price : cost / units
Unit price = £1 / 4 = £0.25
Pack of 6 ;
Unit price : cost / units
Unit price = £1.20 / 6 = £0.20
Pack of 6 is the best value for money as it has a lower unit price
Use properties of operations to complete the equivalent expression. 5(y+9)=___y+___ 5(y+9)=nothingy+nothing
Answer:
5y+45
Step-by-step explanation:
I need help pls...ty :)
Answer:
132
Step-by-step explanation:
because area is when you multiply 2 numbers and if you multiply 12 and 11 you will get 132 u welcome
I really need help. Pleeease. I'm begging you!
the answer is totally numbers
(Equivalent Expressions) Which expression is equivalent to 3 + 2x + 6y + 6x + 2 – 2y?
What is the domain. How do I find it?
Answer:
All real numbers
Step-by-step explanation:
Here, we want to get the domain
The domain refers to the possible x values of the function
As we can see, the plot extends thoroughout the entirety of the graph
This extends from positive infinity to negative infinity
This means that the domain is all real
numbers
A paperweight in the shape of a rectangular prism is shown: A right rectangular prism is shown with length 10 cm, width 4 cm, and height 4 cm. If a cross section of the paperweight is cut diagonal to the base, which shape describes the cross section?
Answer:
Square
Step-by-step explanation:
CHECK THE ATTACHMENT FOR THE FIQURE OF THE QUESTION
✓We were given the dimension of the rectangular prism as 10cm × 4cm × 4cm,
✓The cross section of the paperweight can be cut into half to it's base. Then the new dimension will be 4cm × 4cm which is a quadrilateral.
✓ Then width= 4cm, and height=4 cm are of the same values, hence the shape it forms is a SQUARE. and also the their angles is 90° each.
PLEASE HELP!!
The choices are...
A) 4
B) 3
C) 2
D) 1
Answer:
C) 2
Step-by-step explanation:
The points from the second line are 2 times the amount of the coordinates of the first line
La suma de las edades de los hermanos Carlos y Felipe es igual a la edad de su tía María; Si María tiene 29 años y Carlos tiene 13 años, ¿Cuántos años tiene Felipe?
Answer:
16 años
Step-by-step explanation:
Si la suma de la edad de Carlos y Felipe es igual a la de Maria, y en la pregunta nos dan la edad de Maria (M) y Carlos (C), entonces tenemos que encontrar la edad de Felipe. Para calcular esto necesitamos restar la edad de Carlos de la edad de Maria. Esto nos dara la edad exacta de Felipe (f).
M - C = f
29 - 13 = f
16 = f
Finalmente, vemos que la edad de Felipe es de 16 años
Help guys I really need it
Answer:
yes it does
Step-by-step explanation:
Answer:
yes
Step-by-step explanation:
Is (2,-1) a solution of 2x-y=5? Explain and solve please and thank you.
Answer:
YES
Step-by-step explanation:
2x-y=5
2(2)-(-1)=5
4-(-1)=5
4+1=5
5=5
Answer:
first replece x and y , 2(2)-(-1)=5
4 +1=5 correct
Step-by-step explanation:
A customer wants to tip 25% on a restaurant bill that is $55. What will be the tip that should be left?
Answer:
$13.75 as the tip
Step-by-step explanation:
25% of 55$ = $13.75
Which of these is the smallest and largest number?
Answer:
a) A -> 7.51
b) C -> 1.21
Step-by-step explanation:
First, you compare the units digits of the nos., then you compare the tenths place digits, then the hundreths place digits, and so on.
a) A -> 7.51
b) C -> 1.21
Hope it helps :)
Please mark my answer as the brainliest
When placed near a second charge, a 60-μC charge experiences a force of 0.30 N. What is the electric field strength at the location of the 60-μC charge? What is the strength of the electric field at the location of the test charge?
Answer:
[tex]E=5000N/C[/tex]
Step-by-step explanation:
From the question we are told that
Charge [tex]q= 60 \mu C[/tex]
Force [tex]F_=0.30N[/tex]
Generally the equation for electric field strength is mathematically given as
[tex]E=F/q[/tex]
[tex]E=\frac{0.30}{60*10^-^6}[/tex]
Therefore
[tex]E=5000N/C[/tex]
To find 40% of 75, Priya calculates 2/5⋅75. Does her calculation give the correct value for 40% of 75? Explain how you know.*
Answer:
Answer: Yes , priya calculated correctly . The value of 40% of 75 is 30
Step-by-step explanation:
solve the simultaneous Equation
3/x- 4/y= 1/3
Answer:
a simultaneous equation is a set of equations. you need at least another equation.
Answer:
Step-by-step explanation:
Let's solve for x.
3x−4y= 1/ 3
Step 1: Add 4y to both sides.
3x−4y+4y= 1/ 3 +4y
3x=4y+ 1/ 3
Step 2: Divide both sides by 3.
3x/ 3 = 4y+ 1/ 3
3 x= 4/ 3 y+ 1/ 9
Answer:
x= 4/ 3 y+ 1/ 9
Let's solve for y.
3x−4y= 1/ 3
Step 1: Add -3x to both sides.
3x−4y+−3x= 1/ 3 +−3x
−4y=−3x+ 1/ 3
Step 2: Divide both sides by -4.
−4y/ −4 = −3x+ 1/ 3
−4 y= 3/ 4 x+ −1/ 12
Answer:
y= 3/ 4 x+ −1/ 12
write an equivalent expression.
-2x + 7
Answer:
7-2x
Step-by-step explanation:
do i add 40 + 45? Or multiply
Answer:
you add 40+45
Step-by-step explanation:
40+45=85
then you subtract 180 - 85 = 95
then divide x into 95 that will give you x=95
Write the decimal as a percent. 0.0371 = %
Find the measure of angle b
Answer:
77
Step-by-step explanation:
180-103=77
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Which equation best represents the line? (4 points)
Factor the quadratic 27x2-3
(x2 is X squared) please help.
Answer:
3(3x-1)(3x+1)
Step-by-step explanation:
27x²-3
You can factor out a 3
3(9x²-1)
Now we can use the difference of perfect squares formula
x²-y²=(x+y)(x-y) which means that 9x²-1=
(3x-1)(3x+1)
put it all together and get
3(3x-1)(3x+1)
Choose the number line that represents the equation, 2/6 + 3/6 + 2/6 = 7/6
Answer:
B
Step-by-step explanation:
I hope this helped, please do tell me if the answer is wrong I will fix it with explanation check!
Can someone help me find 10% of 25
Answer:
2.5 is 10% of 25 you just move it back a placement for 10 percent
Answer:2.5?
Step-by-step explanation:
The normal price of a bicycle is £120
In a sale, there is 1/5 off the normal price of the bicycle.
Work out the price of the bicycle sale?
Answer:
76
Step-by-step explanation:
100% = 120
1/5 of 100% = 20%
20% = 120÷100×20
= 24
100-24= 76
If x = 2 and y = 5 , evaluate the following expression:
100 − 3 ( 3 y − 4 x )
Answer:
-59
Step-by-step explanation:
Answer:
e
Step-by-step explanation:
Find the volume of a cylinder with a height of 6 cm and a radius of 3 cm.
A. 108 pi cm^3
B. 36 pi cm^3
C. 18 pi cm^3
D. 54 pi cm^3
Answer:
D
Step-by-step explanation:
Step 1: (3)^2*6pi
Step2: 54 pi cm^3 Ans
Answer:
169.71
Step-by-step explanation:
FIRST PUT THE VALUES IN THE FORMULA OF VOLUME OF CYLINDER i.e. V= πr^2 h then evaluate the values as V=22/7(3)^2(6) =169.71cm^3
Find three consecutive integers with a sum of -45.
Answer:
-14 + -15 + -16 = -45
Step-by-step explanation:
These are three consecutive integers that equal -45
Find the length of the third side. If necessary, round to the nearest tenth.
Answer:
7.8
Step-by-step explanation:
1. 5^2 +6^2=x^2
2. 25+36 = x^2
3. 61=x^2
4. [tex]\sqrt{61}[/tex] = 7.8
16% of 23
please helpppppp
1% of the same number is 4.6
Answer:
3.68
Step-by-step explanation:
Make 16% a decimal then multiply by 23
.16*23=3.68