Answer:
16 months
Step-by-step explanation:
100-68=32
32/2=16
Task:
Engineers are digging a 3200-foot-long tunnel at a constant rate. After 5 months, the engineers still need to dig 1700 feet to finish the project. How much time does it take to complete the tunnel from start to finish?
Will the engineers have enough time if the project was started in December 2020 and the deadline to finish the project was in August 2021? Please explain your answer for yes or no.
Hint:
y=mx+b (slope-intercept form)
x=time
y=distance
b=3200
Start & Finish: ??
Total length=3200ft
Answer:
318 days or 10.6 months,
No, because the time between august and december is 8 months and it would take 10 to complete the tunnel
Step-by-step explanation:
start by determining the slope:
subtract the remaining distance from the total distance to determine distance so far, then divide by time.
m = (3200 - 1700)/5
m = 1500/5
m = 300
y = mx + b
Plug in to solve for x.
3200 = 300x + 0
3200 = 300x
divide y by m. This is x. (this is known as inverse operation if you didnt know already.)
3200 = 300(10.6_)
What is the fractional equivalent of 1.37?
Answer:
137/100
Step-by-step explanation:
1.37 ( to fraction)
divide by 100
137/100
1)What if you have two equations equal to y? How do you solve for x?
2)If you need to solve for a variable to substitute, what is your first step?
3)What does it mean to substitute for a value?
Answer:
Step-by-step explanation:
If you have two equations for y, eliminate y by setting these two equations equal to one another. Solve the resulting equation for x. Then substitute your x value into one of the equations for y. Write your solution as (x, y).
2) If you need to solve for a variable to substitute, what is your first step? Example: If you have two equations for y, eliminate y by setting the two equations equal to each other. This decides for you that you must solve for x.
3) What does it mean to substitute for a value? Example: If you have y = 3x and 2x + y = 17, replace y in the second equation with 3x. This eliminates y and allows you to solve for x.
A square has an area of 16 square millimeters. What is the length of each side of the square? [free brainliest!]
a) 2 mm
b) 4 mm
c) 8 mm
d) 12 mm
Answer:
4mm
Step-by-step explanation:
i took the quiz
help i will give 20 points!!
I dont know this. plz help
Answer:
[tex] \huge \colorbox{red}{y = x + 3}[/tex]Step-by-step explanation:
to understand thisyou need to know about:linear equationPEMDASgiven:b=3let's solve:linear equation slope intercept form:
[tex]y = mx + b[/tex]m is 1 in this question
therefore
substitute the value of m and b
y=x+3Answer:
y = x + 3
Step-by-step explanation:
The given graph indicates that the y-intercept of this line is 3 (that is, b = 3). The y-intercept is also represented by (0, 3). The graph also goes through (-3, 0). The 'run' is the jump of the x-coordinate from -3 to 0, and thus is 3; the 'rise' is the jump of the y-coordinate from 0 to 3, and is thus 3. Therefore, the slope of this line, m, is rise/run, which here is m = 3/3, or just 1.
The slope-intercept equation y = mx + b is therefore y = x + 3.
I would suggest you write out your objective before attempting problem solution. In this case, write out "find the equation of the line shown in this graph, in slope-intercept form."
Carlos designs a simulation to represent kicking 5 field goals in a single game with a 72% probability of making each one. A 1 represents making the kick and a 0 represents missing the kick. Carlos uses 25 blocks and labels each one with a 1 or a 0. How many of each block should he use to represent this situation? Explain.
NEED ANSWER ASAP WILL GIVE BRAINLIEST
eAnswer:
e
Step-by-step explanation:
The following cards are used in a game. If each of the cards is turned over and shuffled, then how much of a greater chance is there in drawing a spade over drawing a 7?
Answer:
1/6 of a chance aka 16.666?%
Step-by-step explanation:
The probability of drawing a card with number 7 is 0.166.
What is the probability?Probability can be defined as the ratio of the number of favourable outcomes to the total number of outcomes of an event.
We know that, probability of an event = Number of favourable outcomes/Total number of outcomes.
From the given set of cards,
Total number of cards =6
Number of spades = 3
Number of card with number 7 on it = 1
Probability of drawing a 7 = 1/6
= 0.166
Therefore, the probability of drawing a card with number 7 is 0.166.
To learn more about the probability visit:
https://brainly.com/question/11234923.
#SPJ3
Which net represents the figure? I'll Give Points If The Answer Is Right.
Answer:
B
Step-by-step explanation:
HELPPPPPPPPPPP!!!!!!!!!!
Answer:
(4, 9) and (7,343)
Find the value of y.
Answer:
155 - 13 = 142 -90 = 52
Step-by-step explanation:
How many times would you predict to roll a sum of 12 out of 180 rolls? Show your work.
Answer:
5.
Step-by-step explanation:
On 1 roll of 2 dices probabilty of 12 = 1/6 * 1/6 = 1/36
So the prediction ffor 180 rolls
= 1/36 * 180
= 5
Find the correct plugged in formula for each figure.
Answer:
3
Step-by-step explanation:
I'm just guessing because you don't give any numbers or anything at all
Explain or Show Work for how to solve 10 > 2x - 6. Give your solution as an inequality. *
Answer:
X < 8
Step-by-step explanation:
I moved the numbers around to -2 >-6 -10
Then found the answer to -2x> -16 which then got me my answer of x < 8
Simplify: 26 • -5
Giving brainliest^^
A) 130
B) 21
C) -105
D) -130
The answer is D because 26*5 is equal to 130,amd b/c we have - 5 the answer we have should be minus.
Hope you understood
The grocery store has 2 1/3 times as many cashiers in late afternoon than in the morning. If there are 21 cashiers at 10:00 am, how many would there be at 4:00 pm?
Kelly drew the angle shown,
which value is closest to measurement of Kelly's angle?
Answer:
70°
Step-by-step explanation:
it's an acute angle so it couldn't be 110 since that would make it obtuse.
Dr. Molar is the best dentist in town. 60% of his paitents are female. He has 120 female paitents. How many paitents does he have in all?
Answer:
200 patients
Step-by-step explanation:
120 =60% means that
2=1%
1% x 100 = 100%
2 x 100 = 200
200 total patients
120 Female
80 Male
hey any answer please be quick
what is the sum of 16/100 + 6/10
MUST EXPLAIN OR NO BRAINLIEST :)
7) Write an expression which represents the difference when (7x-5y) is
subtracted from (-8x-8y) in simplest terms.
Answer:
-15x-3y
Step-by-step explanation:
Lets set it up first:
(-8x-8y)-(7x-5y)
now, remove the parenthesis while distributing the negative
-8x-8y-7x+5y
next, combine like terms
-15x-3y
True or False? A convenience sample is always valid and reliable.
Answer:
a convenience sample is always valid and reliable is true not false
Step-by-step explanation:
Expand the expression 3(5p+1) using the distribution property
PLEASE HELP
Answer:
15p + 3
Step-by-step explanation:
Multiply 3 by each number in the parentheses and keep the variable
Using the distribution property 3(5p + 1) is 15p + 3.
What are the basic properties of arithmetic laws of operations?There are three types of basic arithmetic laws of operation.
Commutative law for addition and multiplication states,
a + b = b + a.
a×b = b×a.
Distributive law states,
a(b ± c) = ab ± ac.
Associative law states,
a + (b + c) = (a + b) + c.
Given, An expression 3(5p + 1).
= 3×5p + 3×1.
= 15p + 3.
learn more about the distributive property here :
https://brainly.com/question/5637942
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help..............................
Answer:
w=22
Step-by-step explanation:
just get w by itself
3w=66
3w/3=66/3
w=22
Answer: 22
Step-by-step explanation:
3x22=33
ahhh i need so study this type of math but i suck at these help pls
Answer:
1482
Step-by-step explanation:
12x5=60
16x10=160
160+60=220
46x37=1702
1702-220=1482
Please can you explain
Answer:
its 3
Step-by-step explanation:
Help me plzzzz!!!! I can give brainlist to the first right person. You just need to do numbers 2, 4 and 5.
Answer number 4 is 171 cm and number 5 is 96 inch and number 2 is 72 cm
Step-by-step explanation:
You have to multiply length times width for 4 and 5 and 2 how I got the answer. pls mark brainliest if helped.
Answer:
2. 200.52 4. 212.67 5. 148.48
Step-by-step explanation:
for (2) you find the area of each shape first the square
12*12=144
then you find the area of the semicircle
the formula is A= (3.14)r^2/2
the (r) is 6 because that is half of the whole side of the semicircle
so... (3.14) 6^2/2
6*6= 36
(3.14)36/2
113.04/2
56.52
then add the 144 from the square to it
56.52+144
200.52
question (4)
-85.5 (area of the triangle)
-127.17 (area of the semicircle)
212.67
question (5)
-48( area of triangle)
-100.48 (area of semicircle)
148.48
i need help with dis math
what is the midpoint of 23.8 and 23.7?
Answer:
23.75
Step-by-step explanation:
Answer:
23.75
Step-by-step explanation:
1. 23.8 - 23.7 = 0.1
2. 0.1 ÷ 2 = 0.05
3. 0.05 + 23.7 = 23.75
this works because to find the middle of two numbers (in this explanation 10 and 20), you have to subtract the larger one from the smaller one (20 - 10 = 10) and take your sum and divide it by two (10 ÷ 2 = 5) and then add it back to the smaller number (5 + 10 = 15 = 1/2 the midpoint of 10 and 20)
write 1/3 as a power with an integer base
Answer:
[tex]3^{-1}[/tex]
Step-by-step explanation:
Using the rule of exponents
[tex]\frac{1}{a^{n} }[/tex] ⇔ [tex]a^{-n}[/tex]
Given
[tex]\frac{1}{3}[/tex] = [tex]\frac{1}{3^{1} }[/tex] = [tex]3^{-1}[/tex]