Answer:
-94.5
Step-by-step explanation:
7.5 less 102 is equivalent to the negative of 102 less 7.5: -(102 - 7.5) = -94.5.
It is not strictly necessary to reverse the order of the numbers as shown above, but 102 - 7.5 is more famliar (and thus easier to deal with) than
7.5 - 102.
Divide 28 bottles of water into two groups so the ratio is 3 to 4. Be sure to show your work.
Answer:
12:16
Step-by-step explanation:
28 split into two groups could be 12 : 16. To check the work, see if 3/4 is equal to 12/16. It is, so this is the accurate ratio, as 12 + 16 = 28 and 12/16 = 3:4.
what is 4+4
This is for
ThomasBrennan1
Answer:
8
Step-by-step explanation:
1+1+1+1+1+1+1+1=8
take 4 ones and group them into 2 groups gives you 8
If a toy rocket is launched vertically upward from ground level with an initial velocity of 120 feet per second, then its height h after t seconds is given by the equation h(t) = -16t2 + 120t. How long will it take the rocket to return to the ground?
A) 7.5 seconds
B) 16 seconds
C) 3.75 seconds
D) 120 seconds
Answer:
A) 7.5 seconds
Step-by-step explanation:
Height of the ground is zero
-16t^2 + 120t = 0
Divide both sides by 16
-t^2 + 7.5t = 0
Factor out t
t(-t + 7.5) = 0
From the zero product rule
t = {0, 7.5}
0 would be time of launch
7.5 is time back to the ground
What is the number if 4 is subtracted from sum of 1 fourth of 5 times of 8 and 10
Answer:
Answer:18.5
Step-by-step explanation:
10+8=18
18*5=90
90/4
22.5-4=18.5
Have a happy day! <3Miss Hawaii
Answer:
16
Step-by-step explanation:
sum of 8 and 10=18
5 times of sum of 8 and
10= 18×5=80
1/4 of 5 times of sum of 8 and
10= 1/4×80=20
and then subtracted 4 from
20 =20-4=16
A Mars rover traveled from point A to point B at a speed of 4 cm/sec. Worsening conditions during the return trip caused the rover to travel at a speed of 2.5 cm/sec, and increased travel time by 15 minutes. What is the distance between point A and point B?
Using the speed - time relation, the distance between point A and B is 6000 cm
Recall :
Distance = speed × time Time = distance / speedLet ; the time taken = t ; distance = d
To trip :
d = 4t ----(1)Fro trip :
t is in seconds ; 15 minutes = (15×60) = 900 secondsd = 2.5(t + 900)
d = 2.5t + 2250 - - - - - (2)
Equating (1) and (2)
4t = 2.5t + 2250
Collect like terms
4t - 2.5t = 2250
1.5t = 2250
t = 2250 / 1.5
t = 1500 seconds
Hence, distance = 4(t) = 4(1500) = 6000 cm
Therefore, the distance between the points is 6000 cm
Learn more : https://brainly.com/question/25203683
8z + 6 = 7z + 4
I need help with it please show the steps
Which numbers can this composite number be divided by? Select all that apply.
9
Answer:
3
Step-by-step explanation:
What is an
equation of the line that passes through the points (3, 1) and (4,4)?
Answer:
y=-5x+16
Step-by-step explanation:
find the domain and range of the following functions
Answer:
Step-by-step explanation:
X values are the domain and y values are range.
Domain = {-1,8,1,-2 }
Range = {3,2,5}
Is light respiration beneficial or harmful to plants?
Answer: Even thought it’s the ultimate substrate it can be harmful to plants
Step-by-step explanation: it also reduces glucose for cellular respiration
What is the value of x in the equation 3(2x + 8) = 0? (4 points) Group of answer choices −8 −4 4 8
Answer:
-4
Step-by-step explanation:
Start with 3(2x + 8) = 0.
Distribute the 3 to the 2x and 8 in the parentheses.
That will give you 6x + 24 = 0.
Subtract 24 from both sides, which will get x by itself and leave you with 6x = -24.
Divide both sides by 6 to get x = -4.
That is your answer.
Hope this helped.
The price of a cup of coffee was $2.40 yesterday. Today, the price rose to $2.55. Find the percentage increase.
Answer:
16 percent
Step-by-step explanation:
Answer:
Step-by-step explanation:
2.40÷2.55=94%
what is the slope of the line through -7,-8 and (0,4)?
Answer:
A: 12/7
Step-by-step explanation:
May I please receive help?
PLEASE ANSWER FAST IT WILL HELP ME SO MUCH
Answer:
I believe it's enlargement
Step-by-step explanation:
because you have a positive scale factor and it goes to the right 3 and up 4
Chu kỳ của hàm số y=sin 4 là:
What is the GCF of 14 and 16?
What is the slope and y intercept I’m really new to this and need help
Answer:
The y intercept is -1 and the slope is 4/1
Step-by-step explanation:
When you are trying to find the y-intercept, you look at where the line crosses over the y axis. In this case it was at -1.
The slope indicates how many units it is going up/down or left/right. In this case, the distance between each point is up 4, and right 1. so the slope would be 4/1.
I hope this helps :)
Help me with this question (will mark brainliest)
Answer:
What's the question?
what is the answer of this? 4x²-9y²+36y-36=0
Answer:
x = + - 3(y-2)
this it ut
Answer:
It will be the oval, yw :)
The length of a side of a square is given by the expression 2x + 1, and its perimeter is 56.
[I have the equation, 4(2x + 1) = 56 down but I want to make sure that x actually equals 6.5]
Answer:
Step-by-step explanation:in the picture
Answer:x=[tex]\frac{13}{2}[/tex] or x= 6.5 either way x equals to the number 6.5 .
Step-by-step explanation:The image below will explain how you solve the problem also thanks for the person above me for the idea of answering this question.
HOPE THIS HELPS
:)
Also website as seen in the photo is symbolab
helpppppppppppppppppppp
Answer:
[tex] \frac{x + 2}{x - 2} [/tex]
Step-by-step explanation:
This is much easier to solve actually since both expressions have the same denominator.
To solve it therefore,just sum the numerators
(x²-4x-2)+(8x+6)
x²+4x+4 Now divide by the common denominator
x²+4x+4/x²-4
Factorize both numerator and denominator
(x+2)(x+2)/(x-2)(x+2)
Cancel out common terms
x+2/x-2
Which statement is true?
A.
0.77 < 0.770
B.
15.04 = 15.40
C.
50.6 = 50.600
D.
1.249 > 1.942
Answer:
C is the correct answer
Step-by-step explanation:
50.6 and 50.600 are mathematically the same thing. Adding zeros at the end of a decimal does not increase its amount in this case.
Answer:
C
Step-by-step explanation:
50.6 is the same as 50.600
As a part of raising funds for an orphanage,you received $120.50 and wanted to split the money into
groups of food items; clothes and story books .
a)If you want the same amount for each group, how much money will you put into each group?
b)Imagine if you want to save same amount of the money for stationary items, then how will you split the money into various groups?Justify
c)If you receive an extra money of $9.50 from people, then how much will be saved for each group?(Include all the groups)
Answer:
a) there are three groups here
total cash = $120.50
each group takes = $120.50 / 3
each group have = $40.17
b) Total no of groups = 4
Total cash = $120.50
each group takes = $120.50 / 4
Each group have = $30.13
c) Total group =4
Total cash = $120.50 + $9.50
=$130
each group have = $130 / 4
=$32.5
maths help me form 1 maths
Answer:
(i. -15<-9)
II. is -3^2 is > then 2^3
Answer:
1 = <
2= >
Step-by-step explanation:
Jenna bought a package of 3 chicken drumsticks. If the package weighed 0.399 kg,
what is the average weight of each drumstick?
Find the equation for the line that passes through the points (1, 1) And (3, 5)
Answer:
y = 2x - 1
Step-by-step explanation:
Slope = (5-1) / (3-1) = 4/2 = 2
y-intercept = 1 - (2)(1) = - 1
y = 2x - 1
-54/87 simplified to a fraction
Answer:
-18/29
Step-by-step explanation:
54 ÷ 3 = 18 - numerator
84 ÷ 3 = 29 - denominator
-54/84 = -18/29
Point A is located at (-2,-1) on the coordinate plane. Point A is reflected over the x-axis to create point A′. What ordered pair describes the location of A'?
Answer: (-2,1)
Step-by-step explanation:
When reflecting over the x-axis, you keep the x-axis and invert the y-axis.
The distributive property simplify each expression. Question 3. 3(4+3r)
Answer:
12 + 9r
Step-by-step explanation:
3(4 + 3r)
= 12 + 9r
Answer:
12 + 9r
Step-by-step explanation:
just multiply 3 by 4 and then 3r.
