Answer:
a) 6 × (-3) = – 18
b) (-5) × 4 = – 20
c) (-9) × (-2) = 18
Step-by-step explanation:
** Note;
[tex]( - ) \times ( - ) = ( + ) \\ ( + ) \times ( - ) = ( - )\\ ( - )\times ( + ) = ( - ) \\( + ) \times ( + ) = ( + )[/tex]
I hope I helped you^_^
[tex]x/6=7/2x=[/tex]
Answer:
x = √21, x = -√21
y=6/13X is a proportional relationship
The equation, y = 6/13x, represents a proportional relationship.
What is a Proportional Relationship?A proportional relationship between two variables, x and y, can be represented as y = kx, where, the constant of proportionality is k.Given, y = 6/13x:
constant of proportionality is 6/13.
Therefore, the equation, y = 6/13x, represents a proportional relationship.
Learn more about proportional relationship on:
https://brainly.com/question/3202565
total cents is $4. there are 20 more nickels than quarters. how many nickels and how many quarters.
Answer:
Step-by-step explanation:
Help please!!!!!!!!!!!! I need help
Answer:
The slope of Function A is less than the slope of Function B.
Step-by-step explanation:
Using the slope formula:
m = (y2 - y1)/(x2 - x1)
and the following ordered pairs from Function A:
(x1, y1) = (-5, -3)
(x2, y2) = (-10, -8)
m = (y2 - y1)/(x2 - x1)
[tex]m = \frac{-8 - (-3)}{-10 - (-5)} = \frac{-8 +3}{-10+5} = \frac{-5}{-5} = 1[/tex]
Since Function A's slope = 1, and Function B's slope = 4, then it means that the slope of Function A is lesser than the slope of Function B.
Question
The formula for simple interest is I=Prt.
Solve the formula for t.
We can solve for t by making it the subject of the equation.
since I = Prt [divide both sides by Pr]
∴ I = t PrThe sides of a quadrilateral are the same length, q. The length of the fourth side is 7 inches. The perimeter of the quadrilateral is 40 inches. Write an equation that represents the situation
Answer:
3x = 33 in
Step-by-step explanation:
Please help me solve this!! I will give brainliest and this is due in 10 minutes
There's a big soccer game next month, and Juan has purchased 3 tickets for himself and his siblings. He spent 53 dollars.
Rosie wants to take her family also, but knows her parents and some cousins will want to attend as well. She knows she will have to purchase 9 tickets. Estimate approximately how much money Rosie will likely have to spend on the tickets. Explain your reasoning below.
Answer:
53 divided by 3 would be $17.66
so 17.66 times 9 would be $158.94
Answer:
158.4 dollars
Step-by-step explanation:
so first of all the three tickets were 53 dollars so we divide the dollars and the no of tickets like this 53÷3 = 17.6 dollars
so since each ticket is 17.6 dollars now we know that Rosie wants to purchase 9 tickets so we will multiply the no of tickets by dollars per ticket like this
9×17.6= 158.4 dollars
and 158.4 is your answer
If y=6 when x=2 over 3 find x when y=12
Answer:
4/3 or 1 1/3
Step-by-step explanation:
So if y = 6, when x = 2/3. Then, x would equal 1 and 1/3, because 12 is twice the amount of 6, so you'd also multiply 2/3 by 2.
(To multiply a whole number by a fraction, first multiply the whole number by the numerator and then divide that by the denominator. For example: 2 × 2 = 4, since you can't really divide 4 by 3 it would stay as is, but you can turn it to a mixed number. 4/3 is the same as 1 whole and an extra 1/3, or in other words 1 1/3).
Hope this helped :)
Work out the sum of 2/9 and 5/9 Give your answer in its simplest form.
Answer:
5 4/9
Step-by-step explanation:
Convert a mixed number 2 19
to a improper fraction: 2 1/9 = 2 19 = 2 · 9 + 19 = 18 + 19 = 199
Answer:
7 / 9
Step-by-step explanation:
You cannot simplify this fraction any more. The two fractions have the same denominator you can just add the numerators.
Compute the average rate of change of f(x)=(x+4)/(x-3) over the interval [5,7].
A)4/3
B)7/8
C)-7/8
D)-4/3
(Image attached below)
Answer:
C) - 7/8Step-by-step explanation:
Average rate of change is:
[f(7) - f(5)]/(7 - 5)Find the values and substitute into expression:
f(7) = (7 + 4)/(7 - 3) = 11/4f(5) = (5 + 4)/(5 - 3) = 9/2 = 18/4Find the rate of change:
(11/4 - 18/4)/2 = (-7/4)/2 = - 7/8Correct choice is C
-4(50x-20)=10x+15+23
Answer:
0.2 or 1/5
Step-by-step explanation:
-4(50x - 20) = 10x + 15 + 23
-200x + 80 = 10x + 38
80 = 210x + 38
42 = 210x
0.2 = x
Hope this helps! Pls give brainliest!
Answer: x = 1/5 or 0.2
Step-by-step explanation:
-4(50x-20)=10x+15+23
-200x +80=10x+38
-80 -80
-200x=10x-42
-10x. -10x
-210x = -42
/-42. /-42
= 5
PRE- CALC MATH HELP
100 Points and Brainlist.
if PDF doesn't work Follow the link in my comments
Follow the link for question
i cant see the pdf???????????????
Which expression is equivalent to 6m + (m – 2)(m + 7) + 3?
Answer:
m^2 + 11m - 11
Step-by-step explanation:
Step 1: Distribute.
[tex]6m + (m)(m) + (m)(7) + (-2)(m) + (-2)(7) + 3[/tex] [tex]6m + m^2 + 7m -2m -14 + 3[/tex]Step 2: Combine like terms.
[tex](m^2)+(6m+7m-2m)+(-14+3)[/tex] [tex]m^2 + 11m - 11[/tex]Therefore, the answer is [tex]m^2 + 11m - 11[/tex].
Multi step problem 4/7w = 4.2
Answer:
7.35
Step-by-step explanation:
4/7w=4.2
multiply both sides by 7
24/7w=29.4
simplify
4w=29.4
divide both sides by 4
w=7.35
Answer:
w equals 7.35
Step-by-step explanation:
7 times 4/7w = 4.2 times 7
4w = 29.4
Divide: 4w/4 = 29.4/4
w = 7.35
- 4х +4y +z= 24
2x – 4у +z= 0
- 3х + 6z =- 12
Answer:
here's the answer it's :
x=-28
y=-18
z=-16
What is the slope of a line perpendicular to the line whose equation is x-3y=12x−3y=12. Fully simplify your answer.
Answer:
(2+3y=12) that is the simplify form
9sin(2x) sin (x) = 9cos(x)
Answer:
[tex] \sin(2x) = 2 \sin(x) \cos(x) \\ 9( 2 \sin(x) \cos(x) ) \sin(x) = 9 \cos(x) \\ 18 { \sin}^{2} (x)9 \cos(x) - 9 \cos(x) = 0 \\ 9 \cos(x) (2{ \sin}^{2} (x) - 1) = 0 \\ 9 \cos(x) = 0 \: or \: 2{ \sin}^{2} (x) - 1 = 0 \\ \sin(x) = \pm \frac{1}{ \sqrt{2} } \\ \cos(x) = 0 \\ x = { \cos}^{ - 1} (0) \\ x = \frac{ \pi}{2} = 90 \degree \\ x = \frac{ \pi}{2} + 2\pi \: n \: \forall \: n \: \in \: \Z \\ = 90 \degree + 360\degree\: n \: \forall \: n \: \in \: \Z \\ = \pm\frac{ \pi}{4} \pm2\pi \: n \: \forall \: n \: \in \: \Z \\ x = \pm45\degree \pm 360\degree\: n \: \forall \: n \: \in \: \Z[/tex]
Identify the center and radius of the circle with equation x2 + y2 - 8x - 4y - 5=0.
center:
radius:
A paint store sells exterior
paint for $35.75 a gallon and paint rollers for $6.00 each. Write an equation in
standard form for the number of gallons x of paint and rollers y that a customer could buy with $190.
Find the range of the function f (x) = 2x - 1 with the given domain -1, 0, 1, 2
I will give Brainliest!
Answer:2x-1
Step-by-step explanation:
HELPPPPPPPPPPP!!!!!!!!!!!!!!!!!!!!
Answer:
1: 155
2: 222
3: 44
4: 132
5: 163
6: i dont know
7: 202
8:?
9: ?
hope this helped!
Step-by-step explanation:
1.)155
2.)222
3.)44
4.)132
5.)163
6.)93.92857142857142
7.)202
8.)112.9032258064516
9.)76.66666666666666
Step-by-step explanation:Sana po makatulong( ˘ ³˘)♥︎
I still need this question
Answer:
area is 52
Step-by-step explanation:
I need help asap!! ty
Answer:
17/5
Step-by-step explanation:
put the value of pi in 2/3p+3
now,
[tex] \frac{2}{3} \times \frac{3}{5} + 3[/tex]
3 cancels 3 and
2/5 +3
=
[tex] \frac{2 + 3 \times 5}{5} [/tex]
hence your answer will be 17/5
Solve by multiplying
digits of value and filling
in zeros:
700 x 102
Х
HELP PLEASE
What is the value of x if OB is
an angle bisector of
Answer:
x = 8
Step-by-step explanation:
Hi there!
We're given that OB is the angle bisector of angle AOC.
An angle bisector splits an angle into 2 equal halves. Therefore, angles AOB and BOC are equal.
We're given that angle AOB is 8x degrees and angle BOC is 16x-64 degrees.
Set up an equation:
[tex]8x=16x-64[/tex]
Combine like terms:
[tex]-8x=-64\\x=8[/tex]
Therefore, x = 8.
I hope this helps!
Can someone tell me the answer to this please?
Answer:
B
Step-by-step explanation:
what is 9x² -4 in factored form. i just need more help understanding how to do this.
Answer:
the factored form of 9x²-4 is (3x-2)(3x+2)
A basketball player made 12 out of 15 free throws she attempted.She wants to know how many consecutive free throws she would have to make to raise the percent of successful free throws to 85%. Write an equation to represent this situation.
Answer:
(12 + x)/(15 + x) = 85/100
Step-by-step explanation:
12/15 = 0.8
She currently has an 80% rate.
To raise it, she needs to make x shots. Since she makes all x shots, we add x to both the number of shots made and attempts.
She will make 12 + x shots in 15 + x attempts.
We want that rate to be 0.85 which is the same as 85%.
(12 + x)/(15 + x) = 85/100
(12 + x)/(15 + x) = 17/20
20(12 + x) = 17(15 + x)
240 + 20x = 255 + 17x
3x = 15
x = 5
Answer:
The equation is (12 + x)/(15 + x) = 85/100.
Help please.............................................................
Answer:
the third one
Step-by-step explanation:
The line passes through the point
Need answer asappppp
Answer:
y=4x+3
=)4x=y-3
=)x=(y-3)/4
Answer:
[tex]\frac{y - 3}{4}[/tex]
Step-by-step explanation:
To make x the subject, first, subtract 3 from both sides:
y = 4x + 3 → y - 3 = 4x
Next, divide both sides by 4 to get x on its own:
y - 3 = 4x → (y - 3)/4 = x
Hope this helps