Janine is running at 10 kilometers per hour. How long will it take Janine to travel 15 kilometers?
Step-by-step explanation:
janine is running 10 kilometer per 60 minutes
means janine runs 1 km in
=60/10
=6
since,Janine runs 1 km per 6 minutes
how much time does janine takes to run 15 km
=15 ×6
=90
Therefore Janine takes 90 minutes to run 15 km ie1 hour 30 minutes
A circle is centered at the point (-7, -1) and passes through the point (8, 7).
The radius of the circle is____ units. The point (-15,___ ) lies on this circle..
I will give Brainliest
Answer:
Step-by-step explanation:
radius =( (8+7)^2 + (7+1)^2 )^1/2 = 17 unit
Equation of the circle = (x + 7)^2 + (y+1)^2 = 17^2
= (-15+7)^2 + (y+1)^2 = 17^2
=14
(-15, 14) lies on this circle
What is the value of the expression below? (9 divided by 3)+4(6-7)
Answer:
-1
Step-by-step explanation:
(9 divided by 3) + 4 (6 - 7) =
(9 ÷ 3) + 4 (6 - 7) =
( 3 ) + 4 ( -1 ) = Multiply 4 by -1
( 3 ) ( -4 ) = Subtract
-1
Some values of a linear function are shown in this table:
х
y
2
4
3
6.5
4
4
9
5
11.5
What is the rate of change of this function?
O A. -2.5
O B. 2.5
O C. 1.625
D. -1.625
the function of this answer b
Question 4 of 11
One way to find the equation of a line is to look at some points on it and try to
find the relationship between the coordinates.
A. True
B. False
Please help me it’s important for me i will give brainlest
Answer:a c f
Step-by-step explanation:
Given the sequence {-1, 3, 7, 11, ...}, find a25
here,
a1=-1
a2=-1+4 =3
a3= 3+4=7
a4=7+4=11
using the general formula for nth term of an ap
[tex]an = - 1 + (n - 1)d \\ here \: a = - 1 \: and \: d = 4 \\ \\ an = - 1(n - 1)(4) = - 1 + 4 - 4 \\ 4n - 5 \\ \\ hence \: a25 = \\ 4(25) - 5 = 100 - 5 = 95[/tex]
Answer= a25 = 95
CDE is reflected over the x axis . what are the vertices of c'd'e
please help!! <3
Answer:
last option is correct
Step-by-step explanation:
use formula of reflection over x axis .
The coordinates of C , D , E are (-8 , -1) , (-6 , -5) , (-2 , -4) respectively.
formula :
(x , y) = (x -y)
C(-8 , -1) = C'(-8 , 1)
D(-6 , -5) = D'(-6 , 5)
E(-2 , -4) = E'(-2 , 4)
Answer: Choice D (aka 4th option)
C ' (-8, 1)
D ' (-6, 5)
E ' (-2, 4)
===========================================================
Explanation:
The x axis reflection rule is [tex](x,y) \to (x,-y)[/tex]
x stays the same while y flips in sign (positive to negative, or vice versa).
A point like C(-8, -1) will reflect to C ' (-8, 1)The point D(-6, -5) reflects to D ' (-6, 5)Lastly, the point E(-2, -4) reflects to E ' (-2, 4)All of this points to Choice D as the final answer.
What does, 0.201 L x 1000 mL, equal?
Answer:
2.01 × 10-7 m6
Step-by-step explanation:
THANKS
PA MARK
Solve for r (will give Brainliest)
64pi = 1/3 pi r^2 x 3
Answer:
Step-by-step explanation:
64pi = (1/3)pi r^2 *3 = pi r^2
r^2 =64
r = sqrt(64) = 8
Solve for A.
-11 + a/15= -13
Please show work.
Answer:
A/15 = -13+11
A/5=-2
A= -2*5
A = -10
Answer:
-30
Step-by-step explanation:
-11+a/15=-13
a/15=-13-(-11)
a/15=-13+11
a/15=-2
a=-2*15
a=-30
Name two lines that contain point K. *
Answer:
sf and st
Step-by-step explanation:
Which function does this graph represent?
Answer:
B. f(x)= -3(x+2)²+2
Explanation:
when you plug 0 in for x
-3(0+1)²+2
-3(1)+2
-3+2
= -1
the coordinate would be (0,-1)
Graph the first six terms of a sequence where a1 = -3 and r = 1.5
one minute I'm doing the math
What is 240 divided by 21?
Step-by-step explanation:
11.42
Can I get some help with this?
Using the quadratic formula to solve 2x^2 = 4x - 7, what are the values of x?
Answer:
Is C.
Step-by-step explanation:
Consider,
2x² = 4x - 7
2x² - 4x + 7 = 0
using Quadratic Formula
Therefore, Option C is correct.
identify the postulate (if any) that can be used to show the two triangles are congruent.
Answer:
Step-by-step explanation:
1) SSS
2) SAS
3) SSA
4) SSA
no, don't say Angle Side Side... :P
can someone plzz help . Write and solve an the equation to find the value of x and the missing angle measures
Answer:
x=8
Angles = 120
Step-by-step explanation:
The angles are corresponding angles and corresponding angles are equal when the lines are parallel
14x+8 = 16x -8
Subtract 14x from each side
14x+8-14x = 16x-14x -8
8 = 2x-8
Add 8 to each side
8+8 = 2x-8+8
16 =2x
Divide by 2
16/2 = 2x/2
8 =x
The angles are equal
14x+8 = 14(8) +8 = 120
Given:
2 angles,
14x + 8
16x - 8
To find:
The value of x
Steps:
Since the 2 lines are parallel and there is an intersecting line, then the angles are corresponding to each other. So,
14x + 8 = 16x - 8
Bringing the like terms together, we get
8 + 8 = 16x - 14x
16 = 2x
2x = 16
x = 16/2
x = 8
So,
14x + 8 = 14(8) + 8 = 112 + 8 = 120°
16x - 8 = 16(8) - 8 = 128 - 8 = 120°
Therefore, the value of x is 8 and the measure of the angles is 120° for both as both angles are corresponding angles
Happy to help :)
If you need any help, feel free to ask
According to the dimensions given on the right rectangular
prism, what is the volume? Fill in the blank with an answer
rounded to the nearest hundredth.
Just type the number. You do not need to type the units.
Answer:
26.67
Step-by-step explanation:
8 x 5 x 2/3 = 80/3 = 26.67
To which of the following sets of numbers does 725 belong?
Prime Number
Negative Number
Positive Number
The fraction 9/15 is an equivalent fraction of
6/20
1/2
3/5
Answer:
3/5
Step-by-step explanation:
3/5 is equal to 9/15.
[tex]\implies {\blue {\boxed {\boxed {\purple {\sf { C. \: \frac{3}{5} }}}}}}[/tex]
[tex]\large\mathfrak{{\pmb{\underline{\red{Step-by-step\:explanation}}{\red{:}}}}}[/tex]
➺[tex] \: \frac{9}{15} [/tex]
➺[tex] \: \frac{3 \times 3}{3 \times 5} [/tex]
➺[tex] \: \frac{3}{5} [/tex]
The fraction [tex] \: \frac{9}{15} [/tex] is an equivalent fraction of [tex] \: \frac{3}{5} [/tex].
[tex]\large\mathfrak{{\pmb{\underline{\orange{Mystique35 }}{\orange{❦}}}}}[/tex]
please help!!! i’ll give brainliest.
no links
do not comment random things
i need help asap!!
ill give as many points i can
ihgubhuybh g bh h ygv vgbj uv bu
Answer:
4
Step-by-step explanation:
The scale factor is 4
Solve for R.
3/4r-3 1/4=49/16
Answer:
101/12
Step-by-step explanation:
3/4r-3 1/4=49/16
3 1/4=13/4
3/4r-13/4=49/16
3/4r=49/16+13/4
3/4r=49/16+52/16
3/4r=101/16
r=(101/16)/(3/4)
r=(101/16)(4/3)
r=101/12
help me I have hard times in algebra
Write the equivalent percent for each fraction.
72
%
41,000
%
1025
%
38
%
72%=18/25
41000%=410/1
1025%=41/4
38%=19/50
Answer:
72% = 18/25
41000 = 410/1
1025 = 41/4
38 = 19/50
Step-by-step explanation:
I put into the calculator...if that makes sense
Find the missing length of the triangle.
Answer:
12 =c
Step-by-step explanation:
Since this is a right triangle, we can use the Pythagorean theorem
a^2+b^2 = c^2 where a and b are the legs and c is the hypotenuse
7.2 ^2 + 9.6 ^2 = c^2
51.84+92.16= c^2
144 = c^2
Taking the square root of each side
sqrt(144) = sqrt(c^2)
12 =c
Answer:
Let's find the hypotenuse.
7.2^2 + 9.6^2
51.84 + 92.16 = 144
√144(square root of 144) = 12, c = 12
Can someone pleaseeee help and if you’re correct i’ll give brainliest
Answer:
Hello! answer: c = 4
Step-by-step explanation:
triangle area formula: base × height ÷ 2 or base × height × 1/2
6 × 4 = 24
24 ÷ 2 = 12 therefore c = 4 Hope that helps!
Consider the function.
f(x) = x2 + 3
Which answer pairs a possible domain restriction that if placed upon f(x) would impact f–1(x) as shown?
Answer:
b
Step-by-step explanation:
edge 2021
The solution is:
B. f(x) domain: x ≥ 1
f–1(x) range: y ≥ 1
What is function?Function, in mathematics, an expression, rule, or law that defines a relationship between one variable (the independent variable) and another variable.
Here, we have,
Because the two functions are inverse to each other, so we all know that the domain of f(x) will be the range of f^-1(x) and the range of f(x) will be the domain of f^-1(x)
As can be seen from the attached photo,
f(x) extends to the right of x=1, so its domain is x ≥ 1.
<=> f^-1(x) range is y≥ 1.
Therefore, we choose answer B
To learn more on function click:
brainly.com/question/21145944
#SPJ3
complete question:
Which answer pairs a possible domain restriction for f(x) and its corresponding impact on f-1(x)
Given P(A)=0.34P(A)=0.34, P(B)=0.45P(B)=0.45 and P(A\text{ or }B)=0.517P(A or B)=0.517, find the value of P(A\text{ and }B)P(A and B), rounding to the nearest thousandth, if necessary.