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HEY GUYS I POSTED A QUESTION BASED ON HEALTH ON MY PAGE FOR 15 POINTS CAN SOMEONE GO CHECK IT OUT IM POSTING THIS FOR MATH BC MORE PEOPLE DO MATH OVER HEALTH TY MUCH LOVE!!!!!!!!
Answer:
ill look now and try and help!
Step-by-step explanation:
Answer:
I'll check
Step-by-step explanation:
Charlie estimates his dog weighs 17 lbs. When Charlie weighed his dog, he weighed 20 lbs. What is the percent error of the weight of Charlie’s dog?
15% error
33% error
2% error
10% error
Answer:
The 15% error
Step-by-step explanation:
Answer:15%
Step-by-step explanation:20 is the whole if he estimated 17 lbs then he was only 15% off
Compare using or =.
5/8 3/5
Answer:
5/8 is greater than 3/5
Step-by-step explanation:
you could also convert the fractions so they have the same denominator and then compare which numerator is larger.
Write the direct variation equation for the given table.
(y=kx)
NEED HELP ASAP
Answer:
7
Step-by-step explanation:
Answer:
y
=
5
x
Explanation:
given
y
∝
x
then
y
=
k
x
←
equation for direct variation
where k is the constant of variation
to find k use the given coordinate point
(
2
,
10
)
y
=
k
x
⇒
k
=
y
x
=
10
2
=
5
equation is
¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯
∣
∣
∣
2
2
y
=
5
x
2
2
∣
∣
∣
−−−−−−−−−−−
y
=
5
x
has the form
y
=
m
x
←
m is the slope
⇒
y
=
5
x
is a straight line passing through the origin
with slope m = 5
graph{5x [-10, 10, -5, 5]}
Part I – Simplifying Expressions
Simplify the following expressions:
13t (2+4)−5t + 15
-2 (3y + 5) – 2
Part II– Evaluating Expressions/Equations
True or False?
Each question below shows an equation and a value for x. Which of the following are true?
1. If 2(x−3)=−10 , then x=2.
2.
If 6x−2=20 , then x=− 3.
3. If 8(x+5)=48 , then x=1.
4.
If 2x+5=−5, then x=−5.
Page Break
Part III – Solving Equations and Inequalities
Solve the equation x – 23.25 = 22.4
Solve 23 - 3n = 26.
Solve −2 − 5x ≥ 28
Answer:
73t + 15 & -16y - 2 // 3 & 4 // x = 45.65 & n = -1 & x ≤ -6
Step-by-step explanation:
Part 1:
13t(2+4)-5t + 15
use the distributive property and multiply your variable through the parentheses
( (13t x 2) + (13t x 4) ) -5t + 15
multiply the coefficient through
(26t + 52t) -5t +15
add the like terms within the parentheses first
78t - 5t + 15
add like terms as a whole since parentheses is done and simplify
73t + 15
-2(3y + 5) -2
apply the distributive property and multiply the coefficient
( (-2 x 3y) + (-2 x 5) ) -2
multiply through and add terms within parentheses
(-6y - 10y) -2
add like terms together within parentheses and then simplify the final expression
-16y - 2
Part 2:
apply the distributive property and solve normally each equation and see if the value of x given is true or plug in the x value that they give you and see when plugged in if the output is the same as the one shown
3. is true
plug in technique
8(1 + 5) = 48 (add like terms)
8(6) = 48 (multiply)
48 = 48 (check)
4. is true
plug in technique
2(-5) + 5 = -5 (multiply given value of x with coefficient)
-10 + 5 = -5 (add like terms and simplify)
-5 = -5 (check to see if true)
Part 3:
for all 3 equations, follow the order of operations or PEMDAS and simplify and combine like terms and solve for the given variable
a) x - 23.25 = 22.4 (add 23.25 to the other side and same side to get x alone)
x = 45.65
b) 23 - 3n = 26 (subtract 23 to get 3n alone from 26)
-3n = 3 (divide by -3 to get n alone from 3 --> 3/-3)
n = -1
c) -2 -5x ≥ 28 (add positive 2 to the other side of the inequality sign to get -5x alone)
-5x ≥ 30 (divide by -5 but since you are dividing by a negative you have to flip the sign)
x ≤ -6
The table below shows the proportional relationship between the weight of cat food, in ounces, and the number of bags of cat food:
Number of Bags of Cat Food Number of Ounces of Cat Food
4 64
5 80
6 96
What is the constant of proportionality?
Group of answer choices
4
7
16
32
Answer:
It is 16 have a noice day :)
Step-by-step explanation:
Express 1start fraction 1 over 20 end fraction as a decimal.
A. 1.1
B. 1.05
C. 1.5
D. 1.2
Answer:
1.05
Step-by-step explanation:
Answer:1.05
Step-by-step explanation:
1/20 as a decimal is 1.05
How many fifths are in 1.8?
4 fifths
16 fifths
5 fifths
8 fifths
9 fifths
33.
How many thirds are in -3 2/3
9 thirds
2 thirds
5 thirds
11 thirds
34.
Write as a decimal. 2 7/100
-2.007
-2.7
-2.07
35.
Write as a decimal. 7/8
0.875
0.825
0.75
0.80
36.
Write as a decimal. 21/30
-0.75
-21.30
-0.30
-0.21
-0.7
Answer:
In 1.8 are 9 fifth, since 1 is 5 fifth and 0.8 is 4 fifth.
In - 3 2/3 are 11 thirds, since 3 is 9 thirds and 2/3 obviously is 2 thirds.
2 7/100 as a decimal is 2.07, since 2.7 would be 2 7/10 and 2.007 would be 2 7/1000.
7/8 as a decimal is 0.875, just type 7÷8 into a calculator and you got it.
21/30 as a decimal is 0.7, you can also just type 21÷30 into a calculator here.
solve. draw or write to show your work. I have 15 stamps. some are old. 6 are new. how many stamps are old?
Answer:
9
Step-by-step explanation:
15 - 6 = 9
plz give brainliest
HELP PLEASE !!!!!!!!!!!!!!!
Answer:
b
Step-by-step explanation:
Answer:b
Step-by-step explanation:
Translate the equation
WILL MARK BRAINLIEST
3(2n + 1) = 3n + 12
A. The quotient of two and a number increased by
one multiplied by three is equal to three times a
number increased by twelve.
B. The product of a number and two increased by
one is equal to twelve more than the quotient of
three and a number.
C. Three times the sum of twice a number and one
is equal to twelve more than the product of three
and a number.
D. Three times the sum of twice a number and one
is equal to twelve less than the product of three
and a number.
Answer:
C.) Three times the sum of twice a number and one is equal to twelve more than the product of three and a number.
Step-by-step explanation:
i hope this helps
Answer:
Its C
Step-by-step explanation:
For every $20 that Danika saves, her grandmother gives her $30. If Danika saves $150, how much money will her grandmother give her?
A nurse sees 24 patients in 5 hours. At this rate, approximately how many patients will the nurse be able to see in an 8-hour period?
Answer:
38 (because u can't have .4 of a person!)
Step-by-step explanation:
24 divided by 5 is 4.8 (4 because u can't have .8 of a person!) patients per hour
4.8 x 8 = 38.4 patients in 8 hours
please help me! i will give 10 points and brainliest to those who show their work!!
What is the answer? I need to know which one to select
Answer:
c is the answer for the question
Answer:
c is ans as the union of the sets X and Y denoted by X U Y, is the set that contains those elements that are either in X or in Y, or in both. ...
Evaluate 48 minus 16 divided by 4
Answer:
48 - 16 / 4 = 44
Step-by-step explanation:
PEMDAS
parenthesis, exponent, multiplication, division, addition, subtraction
16/4 = 4
48 - 4 = 44
Answer:
i think it is 44 i am not sure though so if there is another one do that one
Step-by-step explanation:
also pls tell me if i was wrong
Reid and Maria both play soccer. This season, Reid scored 4 less than twice the number of goals that Maria scored. The difference in the number of goals they scored was 6. How many goals did each of them score?
a.
Reid scored 8 and Maria scored 2.
b.
Reid scored 2 and Maria scored 8.
c.
Reid scored 16 and Maria scored 10.
d.
Reid scored 10 and Maria scored 16.
Answer:
I think its D
Step-by-step explanation:
Because its asking for 4 less then twice the number 6 so it would be 10 and 16 btw im so sorry if im wrong
The ant teaches us a lesson about:
A. mischievousness
B. lying
C. pride
D. laziness
Answer:
C. pride
Step-by-step explanation:
it is showing pride
Answer:
c. pride
Step-by-step explanation:
help fast pls
What is the equation of the line? Points (1,2) and (-3,2)
Question 5 options:
y=-2
y=2
x=2
x=-2
Answer:
x=2
Step-by-step explanation:
Help Please
Write an equation for the line that has a rate of change (slope) of 2 and passes through the point (-1, -5).
Answer
Step-by-step explanation
Find the equation with a point and y-intercept.
y=(y/x−slope/x)x+slope
Which function has a greater rate of change?
Function A:
x 1.5 2.5 3.5 4.5 5.5
y –5 0 5 10 15
Function B:
y = –4.5x + 15
Function A has a rate of change of
and Function B has a rate of change of
, so Function
has a greater rate of change.
there are three answer boxes
Answer:
i think A it might not be tho-
80= 720 divided by what
Answer:
9
Step-by-step explanation:
8 times 9 is 72
80 times 9 is 720
720 divided by 9 is 80
the number we're looking for is 9. When we divide 720 by 9, the quotient is indeed 80.
To find the number that, when divided into 720, gives a quotient of 80, we need to set up a division equation. Let's represent the unknown number as "x". The equation would be:
720 ÷ x = 80
To solve for x, we can multiply both sides of the equation by x to isolate it on one side:
720 = 80x
Next, we divide both sides of the equation by 80:
720 ÷ 80 = x
Simplifying the division:
9 = x
Therefore, the number we're looking for is 9. When we divide 720 by 9, the quotient is indeed 80.
Learn more about division here
https://brainly.com/question/231633
#SPJ6
Select the expression that is the multiplicative inverse of n, where n is a non-zero number. A. 1/n B. -n C. -1/n D. 2n
Answer:
D. 2n
When you don't have an actual number, just think that the letter equals 1. In no way can this number be 0.
How was Cassie’s family different from the other families in the area? (A) They were originally from Illinois. (B) They were wealthy and educated. (C) They owned the land they lived on. (from Roll of Thunder, Hear Me Cry) just search up on google the tile and there's a pdf of the passage free brainiest for anyone who answers correct first
Answer:
C
Explanation: My brother has read this book and he said C was the correct answer.
Need helpp fastt plss will give brainliest to who is correct plss helpp
PLSSS HELPP I NEED THE ANSWER CORRECT
Pls explain in your answer
Qwik Stop Market’s five cash registers showed the following cash receipts for Saturday: cash register
#1. $3,497.22;
#2. $2,259.86;
#3. $4,178.40;
#4. $2,863.17;
#5. $4,888.33. What were the total cash
receipts for Saturday?
Martin took a math test last week. He answered 17 correctly and 3 incorrectly. What percentage of questions did Martin answer correctly?
The percentage of questions Martin answered correctly is 85%.
What is Percentage?
In mathematics, a percentage is a number or ratio expressed as a fraction of 100.
Given is Martin who answered 17 questions correctly and 3 incorrectly.
Number of Correct answers = n[C] = 17
Total Number of Questions = n[T] = 17 + 3 = 20
Percentage(%) of correct questions -
(n[C] / n[T]) x 100
(17/20) x 100
1700/20
85%
Therefore, the percentage of questions Martin answered correctly is 85%.
To solve more questions on Percentage, visit the link below-
https://brainly.com/question/908252
#SPJ2
Choose the expression that correctly compares 0.720 and 0.7200.
0.720 > 0.7200
0.720 = 0.7200
0.720 < 0.7200
The second one, 0.720=0.7200.
Please help due in 9 minutes! It’s urgent help! First answer gets brainliest
Answer:
385
Step-by-step explanation:
First you want to divide 105 by 3 then you get 35 so you times 11 by 35 and get 385 hope this helped. c
