Answer: -1/2, 3/2, -1/3
Change in y over change in x
how do you add or subtract [-4]+6
Answer:
2
Step-by-step explanation:
(-4) + 6
remove the unnecessary parentheses
-4 + 6
calculate the sum which is
2
Answer:
2
Step-by-step explanation:
[-4] + 6 = 2
When two numbers are of different sign, subtract and the result will have the sign of bigger number.
Here the bigger number is 6 and it's sign is positive (+). So , the answer is +2
a biker can ride a bicycle 18 miles in 3 hours. the messenger estimates that it will take 7 hours to bike 22 miles. here is the messengers work:
step 1: 22-18=4
step 2: 3+4=7
what mistake did the messenger make?
• the messenger did not make a mistake. the estimate is correct
• the 3 and 4 should have been multiplied instead of added.
• the messenger used addition and Subtraction instead of multiplication and division
• the 22 and 18 should have been divided instead of subtracted
• the 22 and 18 should have been averaged instead of subtracted
Answer:
The messenger should use addition and Subtraction instead of multiplication and division
Step-by-step explanation:
It is given that,
A biker can ride a bicycle 18 miles in 3 hours. the messenger estimates that it will take 7 hours to bike 22 miles.
He has done two steps :
step 1: 22-18=4
step 2: 3+4=7
The steps done by the biker are wrong. The correct step should be :
In 1 hour, he should cover (18/3) miles i.e. 6 miles
In 7 hours, he will cover (6×7) miles i.e. 42 miles
It means he should use addition and Subtraction instead of multiplication and division. Hence, the correct option is (c).
The radius of a semi-circle measures 5
units. Find its area.
Answer:
≈39.27 units
Step-by-step explanation:
To find the area of a semi circle, you use the formula for finding the area of a circle, which is [tex]\pi[/tex][tex]r^{2}[/tex], and then you divide that by 2 since it is half of a circle.
In this case, [tex]\pi[/tex][tex](5)^{2}[/tex] ≈ 78.54
[tex]\frac{78.54}{2}[/tex] = 39.27
Ten baseballs weigh 1,417.4 grams. About how much does 1 baseball weigh? Round your answer to the nearest tenth of a gram. Round your answer to the nearest gram.. Which answer would you give if someone asked, "About how much does a baseball weigh?" Explain your choice.
Answer:
See explanation
Step-by-step explanation:
If all the ten balls weigh 1,417.4 grams
Then 1 ball weighs 1,417.4 grams/10 = 141.74
To the nearest tenth = 141.7
To the nearest gram= 142
If someone asks me the weight of one ball I will give the answer as 141.7 because it contains exactly the same number of decimal points as we have in the question.
If a ship travels north for 18 miles and east for 12 miles,
to the nearest tenth, approximately how far away is it
from it's starting point?
Answer:
The ship is approximately 21.6 miles away from its starting point
Step-by-step explanation:
∵ The North and the East are perpendicular
→ That means the distance between the starting position and
the ending position shows a hypotenuse of a right triangle which
its legs are the distances due to North and East
∵ The ship travels north for 18 miles
∴ leg1 = 18 miles
∵ The ship travels east for 12 miles
∴ leg2 = 12 miles
→ By using Pythagoras Theorem
∵ (hypotenuse)² = (leg1)² + (leg2)²
∴ (hypotenuse)² = (18)² + (12)²
∴ (hypotenuse)² = 324 + 144
∴ (hypotenuse)² = 468
→ Take √ for both sides
∴ hypotenuse = 21.63330765
→ Approximate it to the nearest tenth
∴ hypotenuse = 21.6 miles
∵ The hypotenuse of the right triangle represents the distance from
the starting position to the ending position
∴ The ship is approximately 21.6 miles away from its starting point
Graph the line.
y=-5x+4
15 points
Answer:
go up 4 on the y axis and then go up five and to the left 1. Also go to desmos and it will answer all out your graphing question.
Step-by-step explanation:
Brainliest pls
HELP PLS I NEED TO SOLVE THAT EQUATION NEED HELP ASAP
Please help asap!
i will give brainliest :)
Answer:
192
Step-by-step explanation:
so basically when a problem like this is given out and you do not understand the question or just don't want to the best thing you can do is pick B
please help I only have about a few minutes!
Which equation best models the relationship shown in the table?
Answer:
i want to say the answer is C, i'm sorry if its incorrect, but i'm 50/50 that its C
what's the meaning of ode
An ode is a type of lyrical stanza. It is an elaborately structured poem praising or glorifying an event or individual, describing nature intellectually as nicely as emotionally. A basic ode is structured in three major parts: the strophe, the antistrophe, and the epode.
Answer:
An ode is a poetic form.
Step-by-step explanation:
A type of lyrical stanza. A classic ode is structured in three major parts: the strophe, the antistrophe, and the epode.
Which equation represents a line that passes through the two points in the table?
Answer: A
Step-by-step explanation:
(3,3) (6,5)
y2-y1/x2-x1 = 5-3/6-3 = 2/3
y-y1 = m(x-x1)
y-3 = 2/3(x-3)
How do you add integers with different signs?
Answer:
To add integers with different signs, keep the sign of the number with the largest absolute value and subtract the smallest absolute value from the largest.
Step-by-step explanation:
As of July 1, 2014, the population of India was about 1,267,000,000.
How can you write this number in scientific notation?
1. Move the decimal point to the right of the first digit. What is the first factor?
2. Count the number of digits after the decimal point. How many places did you move the decimal point?
3. Did you move the decimal point to the right or to the left? What does this tell you about the power of 10 in the second factor?
4. What is the second factor written as a power of 10?
5. Write the population of India in scientific notation
Answer:
1. The first factor is 1.267
2. 9 Places
3. i) The decimal point was moved to the left
ii) This indicates the value of the power of 10 in the second factor
4. The second factor is 10⁹
5. The population of India in scientific notation is 1.267 × 10⁹
Step-by-step explanation:
If you ride your bike 30 kilometers in 2 hours, what is your average speed?
Answer:
15 km/h
Step-by-step explanation:
help
me
do
this
im
about
to
fail
Answer:
4.89 the rounding of it is 5.00,
Area=(22 over 7) x5^2
=78.57cm^2
Hope that helps
Find the slope of the line that passes through the pair of points. (0, 5) and (6, 2)
-2
2
-1/2
1/2
Answer: the slope is
m = -1/2
Step-by-step explanation:
The volume of a box (v) varies directly with its length (l) if one of the boxes has a volume of 325 cubic inches and a length of 13 inches what is the costant of proportionality for the group of boxes
Answer:
The constant of proportionality for the group of boxes is: 25
Step-by-step explanation:
Proportion means that change in one quantity causes change in other quantity. Direct variation means that increase in one quantity causes increase in the other quantity.
Let l be the length and v be the volume
Then according to given statement
V∝l
Removing the proportionality symbol introduces a constant in the equation
[tex]V = kl[/tex]
Putting V = 325 and l = 13
[tex]325 =k(13)\\k = \frac{325}{13}\\k = 25[/tex]
Hence,
The constant of proportionality for the group of boxes is: 25
3. Rectangle ABCD is shown on the coordinate grid below.
у
10
8 units
12 units
- 10 -8
X
9 units
D
o
7 units
Which is closest to the length of diagonal
AC?
Answer:
A. 8 units
Step-by-step explanation:
Coordinates of A = (-2, -2)
Coordinates of C = (5, 2)
Use distance formula, [tex] d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2} [/tex] to calculate the length of diagonal [tex] \overline{AC} [/tex].
Let,
[tex] A(-2, -2) = (x_1, y_1) [/tex]
[tex] C(5, 2) = (x_2, y_2) [/tex]
[tex] d = \sqrt{(5 -(-2))^2 + (2 -(-2))^2} [/tex]
[tex] d = \sqrt{(7)^2 + (4)^2} [/tex]
[tex] d = \sqrt{49 + 16} = \sqrt{65} [/tex]
[tex] d = 8.1 [/tex] (nearest tenth)
Therefore, the closest to the length of diagonal [tex] \overline{AC} = 8 units [/tex]
What is a rule for
h
′
(
x
)
h
′
(x) space, h, prime, left parenthesis, x, right parenthesis, space if
h
(
x
)
=
−
1
x
h(x)=
sin
−1
x
Answer:
Step-by-step explanation:f(h(x))= 2x -21
f(x)= x^3 - 6
h(x)=\sqrt[3]{2x-15}
WE need to find f(h(x)), use composition of functions
Plug in h(x)
f(h(x))=f(\sqrt[3]{2x-15})
Now we plug in f(x) in f(x)
f(h(x))=f(\sqrt[3]{2x-15})=(\sqrt[3]{2x-15})^3 - 6
cube and cube root will get cancelled
f(h(x))= 2x-15 -6= 2 x-21
What is the slope of the graph of 5x-2y=20 ?
A:
-10
B:-2 over 5
C:5 over 2
D:
5
in △QRS, line QR≅line SQ and m∠Q=114∘. find m∠S
Answer:
prove that lines AK and AL divide BC into three equal parts. 1.30. Point O is the center of the circle inscribed in △ABC. On sides AC and BC points M and K, ...
Step-by-step explanation:
please help with this, i’m gonna fail this class lol
Answer:
1. x= -24
2. x= -16
3. x= 12
4. x= 12
5. x= -16
6. x= -24
Answer:
First one is x= -24
second one is x= -16
third one is x= 12
fourth one is x= 12
fifth one is x= -16
sixth one is x= -24
Step-by-step explanation:
hope this helps
I need help please thank you
Answer: The answer is 13,841,287,201
Step-by-step explanation:
You start with the equation that's in the parenthese which is 7^6, and the answer is 117,649. Then you're left with 117,649^2, so you solve for that which is 13,841,287,201. I'm not sure if this is what you're looking for but I hope this can help you.
# 4-15 Convert the given amount to the given unit
4. 63 yd; feet
5. 168h; days
6. 2.5lb; ounces
7. 200 cm; meters
8. 4 min; seconds
9. 5kg; pounds
Circle Q has a circumference of approximately 50 centimeters. Circle Q with diameter d is shown. What is the approximate length of the diameter, d? Use 3.14 for . Round to the nearest tenth of a centimeter. 4.0 centimeters 8.0 centimeters 15.9 centimeters 31.8 centimeters
Answer:
The answer is 15.9 centimeters. If you work backward with the formula 2pir = circumphrence, you get diameter *pi = 50. To find diameter, you divide 50 by pi and the answer is 15.9 centimeters.
Step-by-step explanation:
The diameter to the nearest tenth of a centimeter is mathematically given as
31.8cm, option D
What is the diameter?
Question Parameters:
Circle Q has a circumference of approximately 50 centimeters.
Generally, the equation for the circumference is mathematically given as
C=2\pir
Therefore
r=C/ \pi
r=50/3.14
r=15.9cm
Therefore,
d=2r
d=2*15.9
d=31.847
In conclusion, the diameter to the nearest tenth of a centimeter. is
31.8cm
Read more about Arithmetic
https://brainly.com/question/22568180
what dos this mean?????
HELP PLS..... tysm show the work
Answer:
a huge part of this question is missing
sorry no one can help you
The function y = 3x + 42 models the average number of dogs at an animal shelter, where x is the number of days after July 1. The
function y = 4x + 7 models the average number of cats at the animal shelter, where x is the number of days after July 1. After how many
days is the average number of cats and dogs at the shelter the same?
A. 35 days
B. 49 days
C. 7 days
D. 5 days
what is the slope and y intercept of y=3?
Answer:
m=0; y intercept=3
Step-by-step explanation:
The line is perfectly horizontal, which means that the slope is 0. Since it is horizontal, we can reason that the y intercept has to be 3.
HTH :)
Compare heterogeneous and homogeneous?
Answer: A homogeneous mixture has the same uniform appearance and composition throughout. Many homogeneous mixtures are commonly referred to as solutions. A heterogeneous mixture consists of visibly different substances or phases. The three phases or states of matter are gas, liquid, and solid.
Answer:
Just thnk of it this way: Hetero- Different. Homo- Same
Step-by-step explanation: