Answer:
y = x + 8
Step-by-step explanation:
8/x = 2x+1 Solve this pls
Solve for the volume of this irregular polygon. Show your work
16 cm
16 cm
5 cm
6 cm
24 cm???? HELP
Answer:
36,864
Step-by-step explantion:
joyce is y years old.she is 10 years older than peter . what will be the sum oftheir ages ij 5 years time?
Two lighthouses are located 75 miles from one another on a north-south line. If a boat is spotted S 40o E from the northern lighthouse and N 21o E from the southern lighthouse, how much closer is the closest lighthouse to the boat than the lighthouse furthest away? The northern lighthouse is 51.3 miles closer than the southern lighthouse. The northern lighthouse is 24.4 miles closer than the southern lighthouse. The northern lighthouse is 79.9 miles closer than the southern lighthouse. The northern lighthouse is 17.0 miles closer than the southern lighthouse.
Answer:
The northern lighthouse is approximately [tex]24.4\; \rm mi[/tex] closer to the boat than the southern lighthouse.
Step-by-step explanation:
Refer to the diagram attached. Denote the northern lighthouse as [tex]\rm N[/tex], the southern lighthouse as [tex]\rm S[/tex], and the boat as [tex]\rm B[/tex]. These three points would form a triangle.
It is given that two of the angles of this triangle measure [tex]40^{\circ}[/tex] (northern lighthouse, [tex]\angle {\rm N}[/tex]) and [tex]21^{\circ}[/tex] (southern lighthouse [tex]\angle {\rm S}[/tex]), respectively. The three angles of any triangle add up to [tex]180^{\circ}[/tex]. Therefore, the third angle of this triangle would measure [tex]180^{\circ} - (40^{\circ} + 21^{\circ}) = 119^{\circ}[/tex] (boat [tex]\angle {\rm B}[/tex].)
It is also given that the length between the two lighthouses (length of [tex]\rm NS[/tex]) is [tex]75\; \rm mi[/tex].
By the law of sine, the length of a side in a given triangle would be proportional to the angle opposite to that side. For example, in the triangle in this question, [tex]\angle {\rm B}[/tex] is opposite to side [tex]\rm NS[/tex], whereas [tex]\angle {\rm S}[/tex] is opposite to side [tex]{\rm NB}[/tex]. Therefore:
[tex]\begin{aligned} \frac{\text{length of NS}}{\sin(\angle {\rm B})} = \frac{\text{length of NB}}{\sin(\angle {\rm S})} \end{aligned}[/tex].
Substitute in the known measurements:
[tex]\begin{aligned} \frac{75\; \rm mi}{\sin(119^{\circ})} = \frac{\text{length of NB}}{\sin(21^{\circ})} \end{aligned}[/tex].
Rearrange and solve for the length of [tex]\rm NB[/tex]:
[tex]\begin{aligned} & \text{length of NB} \\ =\; & (75\; \rm mi) \times \frac{\sin(21^{\circ})}{\sin(119^{\circ})} \\ \approx\; & 30.73\; \rm mi\end{aligned}[/tex].
(Round to at least one more decimal places than the values in the choices.)
Likewise, with [tex]\angle {\rm N}[/tex] is opposite to side [tex]{\rm SB}[/tex], the following would also hold:
[tex]\begin{aligned} \frac{\text{length of NS}}{\sin(\angle {\rm B})} = \frac{\text{length of SB}}{\sin(\angle {\rm N})} \end{aligned}[/tex].
[tex]\begin{aligned} \frac{75\; \rm mi}{\sin(119^{\circ})} = \frac{\text{length of SB}}{\sin(40^{\circ})} \end{aligned}[/tex].
[tex]\begin{aligned} & \text{length of SB} \\ =\; & (75\; \rm mi) \times \frac{\sin(40^{\circ})}{\sin(119^{\circ})} \\ \approx\; & 55.12\; \rm mi\end{aligned}[/tex].
In other words, the distance between the northern lighthouse and the boat is approximately [tex]30.73\; \rm mi[/tex], whereas the distance between the southern lighthouse and the boat is approximately [tex]55.12\; \rm mi[/tex]. Hence the conclusion.
The first one to answer gets brainy
If x = 4 and y = 7, evaluate the - following expression: 20 +2(3y - 4x)
Answer:
110
Step-by-step explanation:
Substitute x = 4 and y = 7
20 + 2 (3y - 4x)
= 20 + 2 [(3 x 7) - (4 x 4)]
= 20 + 2 (21 - 16)
= 20 + 2 (5)
= 22 (5)
= 110
Answer:
30 (always use .P.E.M.D.A.S.)
Step-by-step explanation:
20+2(3y-4x)
20+2(21-16)
20+2(5)
20+10
30
I need these ASAP………..
Step-by-step explanation:
1) 3x - 4 = 86 + 24
→ 3x - 4 = 110
→ 3x = 110 + 4 = 114
→ x = 114/3 = 38
therefore, value of x is 38.
2) -10x = 30 + 90
→ -10x = 120
→ x = 120/10 = 12
→ x = 12
therefore, value of x is 12.
3) -8x + 23 + 51 = 130
→ -8x + 74 = 130
→ -8x = 130 - 74
→ -8x = 56
→ x = 56/8
→ x = 7
therefore, value of x is 7.
4) -9 + 2x = 59 + 90
→ -9 + 2x = 149
→ 2x = 149 + 9
→ 2x = 158
→ x = 158/2 = 79
→ x = 79
therefore, value of x is 79.
hope this answer helps you dear...take care !
I NEED HELP
Line a and line c are perpendicular and m<26 = (5x+7). Find the value of x.
Answer in fraction form = 83/5
Answer in decimal form = 16.6
==================================================
Explanation:
All eight angles shown are 90 degrees since lines a and c are perpendicular to each other. Perpendicular lines form right angles.
Set 5x+7 equal to 90 and solve for x
5x+7 = 90
5x = 90-7
5x = 83
x = 83/5 is the fraction form of the answer
x = 16.6 is the decimal form of the answer
Answer:
83/5 = 16.6
Step-by-step explanation:
5x+7 = 90
5x = 90-7 subtract 7 from both sides.
5x = 83
x = 83/5 = 16.6
At 1 pm one day the temperature inside a freezer was -20°C
The freezer broke down.
The temperature inside the freezer went up by 4°C every hour after 1pm.
At what time did the temperature inside the freezer reach 0°C?
Answer:
6 p.m.
Step-by-step explanation:
You pay $80 for a game system. The monthly rental fee for games
is m dollars. Your cost for the year is $188. Using the equation
12m + 80 = 188, how much is your monthly fee?
Answer: 9
Step-by-step explanation:
12m + 80 = 188
-80 - 80
12m = 108
12m = 108
12 12
m = 9
What is the sample space for a spinner with four equal sections, numbered 1 to 4?
A. 1, 2, 3, 4
B. 4-1. 4-2. 4-3. 4-4
C. 1-1,1-2, 1-3, 1-4
D. 1, 2, 3, 4, 5
PLEASE HELP
Answer:
A. 1, 2, 3, 4
Step-by-step explanation:
I. When sample space means all possible case could happend.
In this case we have 4 equal sections numbered 1 to 4.
So from 1st section to 4th sections could happend fairly.
That makes 1, 2, 3, 4 is the right answer.
Hope that help :)
At a sale on winter clothing, Cody bought two pairs of gloves and four hats for $44.00. Tori bought two pairs of gloves and two hats for $28.00. Solve the system to determine the prices of the hats and gloves. Group of answer choices $8.50 for a pair of gloves and $5.50 for a hat $5.50 for a pair of gloves and $8.50 for a hat $8.00 for a pair of gloves and $6.00 for a hat $6.00 for a pair of gloves and $8.00 for a hat
Answer:
$6.00 for a pair of gloves and $8.00 for a hat
PLEASE HELP!! THIS IS CONFUSING!! Given f (x) = 2/3x -1, complete Parts A and B. Part A: Using the table provided, create five points to demonstrate that for the function f (x) = 2/3x -1, there is exactly one output value for each corresponding input value. In your final answer, include all calculations and the completed table. Part B: On a separate sheet of paper, use the points created in Part A to graph the function f (x) = 2/3x -1. Label the values on the x - and y-axes, and all points on the graph.
If anything is wrong and the answer to x-coordinate of vertex
Answer:
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plzzz help!!
Order the following from greatest to least.
Answer:
I think the answer is C
Step-by-step explanation:
Answer:
A
Step-by-step explanation:
122%=122% 49/29=169% 26/15=173%, 1.98=198%
Can someone please help me
The last option; intersecting, but not perpendicular
A female flea can consume about 1.4×10^-5 liter of blood per day .If a dog has 100 female fleas ,how much blood do the fleas consume per day? Write your answer in standard form.
whats x+10<6 as a inequality sign?
Answer:
x < -4
Step-by-step explanation:
x + 10 < 6
-10 < -10
x < -4
Pls Help
Use slope-intercept form, y = mx + b, to find the value for the y-intercept (b) of a line that has a slope of 6 and passes through the point (3, –5).
b=
a. -23
b. -14
c. 21
d. 33
What is the new equation written in slope-intercept form?
a. y=6x-23
b. y=6x-14
c. y=6x+21
d. y=6x+33
Answer:
y-intercept: -23
y = 6x - 23
Step-by-step explanation:
Slope: 6
Point (3, -5)
y-intercept: -5 - (6)(3) = - 5 - 18 = - 23
Dave ran 10km in 40 minutes. He rested for 5 minutes then ran a further 8 km in 35 minutes.Work out his average speed for the whole journey. (Give your answer in km/h)
Answer:
27/2 km/hr
Step-by-step explanation:
Help please!!!!!!!!!!!!
Answer:
your answer is as follows
Step-by-step explanation:
5x+20=3x+60
2x=40
x=20
(equating the slopes)
BRAINLIEST ASAP!!!!!!!!!! Please someone help
Tìm giá trị nhỏ nhất của hàm số: y = cos 2x + 4cos x - 3
Answer:
upp7fpfpzfpufpufpufpufpu
Step-by-step explanation:
uxcicicovovovovovvNC coordinatorby McKnight
Multifactorial factor: 5x^3-3x^2+3x
Answer: There are two solutions how to get the answer the factor solution and the factor by groupings solution.
Step-by-step explanation:
THE FACTOR SOLUTION
factor x out of 5x^3-3x^2 3x
X(5x^2 - 3x +3)
FACTOR BY GROUPINGS
Group of factors out the greatest common factor (GCF) then combined
X(5x^2 - 3x + 3)
I HOPE IT HELP YOU :)
Help pls I’ll mark as brainliest!!
(d) 2 and 3 because they each have three terms.
Can someone help me with this
Answer:
The answer is 6, I used PEMDAS do parenthesis first, exponents if there's any, them multiplication, division, addition, lastly subtraction. When using PEMDAS not all the problems you'll have to solve have subtraction addition multiplication, etc. But follow the order they are put in and skip the ones that aren't there.
A rental car agency charges $220 per week plus $0.15 per mile to rent a car. How many miles can you travel in one week for $340?
The number of miles you can travel in one week for $340 is ?.
Answer:
800 miles
Step-by-step explanation:
You would make the equation .15x+ $200 and put that equal to 340 to get the equation:
.15x+$200=340
-$200 (subtract the like term first)
.15x=120
.15x over 120
Your answer comes out to be x=800.
BRAINLIEST IF U ANSWER
Answer:
180 degrees
Step-by-step explanation:
Employees at a company are given £800 to spend on items for the office.
They decide to buy a coffee machine and as many bean bags as possible.
Bean bags cost £40 with an offer of "Buy at least 10 get 10% off the price."
The coffee machine costs £310.
How much will they have left over from the £800?
Answer:51273.816238
Step-by-step explanation:
Answer:
they have 490 to buy bean bags
If there is no discount, the amount they can buy is 490/40=12,25>10, so they will get a discount
call the bean bag is X we have: X*40*(100%-10%) ≤ 490
⇒X≤13,6
they can buy at most 13 bag and they will have left 490-40*13*90%=22
Step-by-step explanation:
(calculus) please help! will mark brainliest!
Hello friend,
The answer to your question is attached in the image uploaded by me. Please refer them.
✍️ By Benjemin ☺️