Joanna works in a marina. Boat servicing costs $70.00, plus $4.50 for each litre of oil. Joanna serviced a boat and made out a bill for $88.00. How many litres of oil did she use?(use equations)
Select the correct answer.
In the form gluti
0().
13 + 10.12 + 13.1 + 39
Rewrite the expression
12 + 2.1 + 1
41 + 31
A.
(r + 8) +
12 + 2 + 1
OB. (-4r + 31) + 12 + 25 + 1
1 + 8
-41 + 31
oc. (x + 8) + 13 + 10+2 + 131 + 39
1 + 8
D.
(4x + 31) +
13 + 1012 + 131 + 39
Answer:
B
Step-by-step explanation:
Is the answer
If a man walks at the rate of 3 feet per second, how many minutes will it take him to walk 5760 feet?
Answer:
32 minutes
Step-by-step explanation:
There are 60 seconds in a minute
That means we will need to know how many feet he walks in a minute
So we would do 3 x 60 which equals 180 so he walks 180 ft per miute
Now we need to figure out how many minutes it took for him to walk 5760 ft.
So we would do 5760 ÷ 180 which equals 32
So the aswer is 32 minutes for him to walk 5760 ft.
Hope this helps
Find the total cost, to the nearest cent, for a meal at a restaurant that cost $19.74 with
an additional sales tax of 7.5%
Can someone help me with both of these? You can answer only one, however, If you answer both that is who gets brainliest. don't answer just to take my points or you will get reported.
Answer:
1. true
2. Associative
Step-by-step explanation:
Type the next number in this sequence:
6, 14, 32, 60, 98, 146, 204,
Answer: 272 I believe
In how many ways can a quality-control engineer select a sample of3 transistors for testing frm a batch of 100 transistors?
Answer:
161700 ways.
Step-by-step explanation:
The order in which the transistors are chosen is not important. This means that we use the combinations formula to solve this question.
Combinations formula:
[tex]C_{n,x}[/tex] is the number of different combinations of x objects from a set of n elements, given by the following formula.
[tex]C_{n,x} = \frac{n!}{x!(n-x)!}[/tex]
In this question:
3 transistors from a set of 100. So
[tex]C_{100,3} = \frac{100!}{3!(100-3)!} = 161700[/tex]
So 161700 ways.
please i need help with #12 and #13!!!
9514 1404 393
Answer:
12. median: AD; altitude: CE; midsegment: none
13. x = 2
Step-by-step explanation:
12. The median joins a vertex with the midpoint of the opposite side. Point D is identified as the midpoint of BC, so AD is the median.
An altitude is a segment from a vertex that is perpendicular to the opposite side. CE is an altitude of this triangle.
A midsegment joins midpoints of adjacent sides of the triangle. Only one midpoint (D) is identified in this triangle, so no midsegment can be named.
Additional comment: BF is an angle bisector. Perhaps that is what is intended in part (c). You may want to report this question to your teacher.
__
13. The base segment is twice the length of the midsegment:
2(5x -3) = x +12
10x -6 = x +12 . . . . . eliminate parentheses
9x = 18 . . . . . . . . . . add 6-x
x = 2 . . . . . . . . . . . . .divide by 9
3 +17 p + 2 - P
Simply each expression by combing like terms
Help please!! I will mark brainlest
Answer:
Step-by-step explanation:
My brother, they would add to 180 :D
You can see, QTS is an obtuse angle, and the PTQ is smaller, but no matter what, if you add them, they will always add up to 180
PLEASE HELP WILL GIVE BRAINLEST
SOLVE THE PROBLEMS WITH SUBSTITION
x=-3y+3
x-3y=-15
Answer:
x = -6
y = 3
Step-by-step explanation:
Since we are given what x equals, we will plug that in first to the second equation.
(-3y+3) - 3y = -15
Solve by combining like-terms and isolating y.
-6y + 3 = -15
-6y = -18
y = 3
Now plug in y to the first equation to solve for x.
x = -3(3) + 3
x = -9 + 3
x = -6
WILL MARK BRAINLIEST ONLY HAVE 10 MINUTES AND DOUBLE POINTS
A)
0.60B=B-0.40B
0.60B+0.40B=B
B=B
Can someone please help me pleaseeee
Answer:
1. 50 miles
2. 100 miles
3. 300 miles
4. 400 miles
5. 35th day
Step-by-step explanation:
HELP PLEASEEEEEEEEEEE!!!
Answer:
The graph under the "U" graph
Step-by-step explanation:
A student read the clock at 12:00. Then she read it again at 12:15. How many one degree turns has the minute hand made?
Answer
about 15
Step-by-step explanation:
Which is equivalent to 3/8 1/4
Answer:
Step-by-step explanation:
what is equivalent to
1/4: 2/8, 4/16, 8/32....... and etc-
3:8: 6/16, 9/24 and etc.......-
i was listening to rhinestone eyes while typing this-
ty :P
Each side of a cube is 4 inches long. What surface area of the cube
Answer:
96 in^2
Step-by-step explanation:
This is because u have to multiply the two bases and the lateral sides to get your area
Answer:
96
Step-by-step explanation:
Surface area is the sum of the areas of all faces (or surfaces) on a 3D shape. A cuboid has 6 rectangular faces. To find the surface area of a cuboid, add the areas of all 6 faces.
Area = l x w
4 x 4 = 16
16 x 6 = 96
1/10 of the counters in a bag are blue. 1/2 of the counters are red. 2/5 of the counters are yellow. Which of the ratios below shows the ratio of blue to red to yellow?
Answer:
well 1/10 are blue, 5/10 are red, and 4/10 are yellow.
1/10 blue
5/10 red
4/10 yellow
I don't really know how to answer this question but I hope me converting the ratios helps :)
Step-by-step explanation:
The union representing the Bottle Blowers of America (BBA) is considering a proposal to merge with the Teamsters Union. According to BBA union bylaws, at least three-fourths of the union membership must approve any merger. A random sample of 2,000 current BBA members reveals 1,600 plan to vote for the merger proposal. What is the estimate of the population proportion
Answer:
The answer is "(0.782, 0.818)".
Step-by-step explanation:
computing the sample proportion:
[tex]p=\frac{x}{n}= \frac{1,600}{2000}=0.80 \\\\[/tex]
[tex]\text{Computing the} \ 95\% \ \ C.I \\\\[/tex]
[tex]C.I= p \pm Z_{\frac{\alpha}{2}}\sqrt{\frac{P(1-p)}{n}}[/tex]
[tex]= 0.80 \pm 1.96 \sqrt{\frac{0.80(1-0.80)}{2000}} \\\\= 0.80 \pm 1.96 \sqrt{\frac{0.80(0.20)}{2000}} \\\\= 0.80 \pm 1.96 \sqrt{\frac{0.16}{2000}} \\\\ = 0.80 \pm 1.96 \sqrt{0.00008} \\\\=0.80 \pm 0.18 \\\\= (0.782, 0.818)[/tex]
conclusion:
Since the interval calculation contains higher values than 75 percent of its union membership, the merger proposal is likely to pass.
3
Select the correct answer.
Emma starts a food blog. When the blog is launched, the number of site visits is 486. Every month, the number of site visits Increases by
one-third of the number of site visits in the previous month. At this rate, how many total site visits will there have been after 6 months?
OA. 6,734
OB.
2,731
Ос.
9,465
OD
728
Reset
Next
Answer:
6734
Step-by-step explanation:
1st month -> 486
2nd month->(1/3 x 486)+ 486
=648
3rd month->(1/3 x 648)+ 648
=864
4th month->(1/3 x 864)+ 864
=1152
5th month ->(1/3 x 1152)+ 1152
=1536
6th month ->(1/3 x 1536)+ 1536
=2048
486 + 648 + 864 + 1152 + 1536 +2048 = 6734
4x.5x³.2x⁵ find the product
Jesse rides his bike to school on most days. The school is 4.5 miles from his house. If it takes him 13.5 minutes to ride to school, what is his rate per mile?
Deanna says a common denominator for ¼ and ⅙ is 20. Do you agree? Explain why or why not
Answer:
no
Step-by-step explanation:
4 IS a factor of 20
BUT
6 IS NOT a factor of 20
a common denominator for 1/4 and 1/6 would be 12
A
B
-ific
What can be determined from the diagram?
A)
9
ACSBC
B)
АРСР
ACAP
D
ZACPSZCAP
Answer:
D. Zacpszcap. is probably the answer
Six and one-half ounce is
milliliters.
Joaquin can read one comic book in 15 minutes. Write and solve an equation to determine how many comic books he can read in 75 minutes.
of 24 maths teachers ,15 of them are left handed . what percentage of the teachers are right handed
Answer:
38%
Step-by-step explanation:
Percentage is 37.5% but you round up
:)
what equation can be formed to determine the two numbers.
Answer:
If one is given a quadratic equation in the form x2 + bx + c = 0, the sought factorization has the form (x + q)(x + s), and one has to find two numbers q and s that add up to b and whose product is c (this is sometimes called "Vieta's rule" and is related to Vieta's formulas).
Step-by-step explanation:
Answer:
what numbers?
Step-by-step explanation:
In trapezoid MNPQ shown below, MN || QP, m&M = 108°, m&P = 4x - 5, and
mxQ = 3x + 21. What is the number of degrees in m«N.
Answer:
Answer:
The answer is below
Step-by-step explanation:
A trapezoid is a quadrilateral (has four sides and four angles) with a pair of opposite parallel sides. The pair of opposite parallel side is known as the base. Also, the angles on the same leg of a trapezoid (adjacent angles) are supplementary (add up to 180°).
In trapezoid MNPQ:
∠M + ∠Q = 180° (angles on the same leg are supplementary)
108 + (3x + 21) = 180
3x + 129 = 180
3x = 51
x = 17
Also:
∠N + ∠P = 180° (angles on the same leg are supplementary)
∠N + (4x - 15) = 180
∠N = 180 - (4x - 15)
∠N = 180 - 4x + 15
∠N = 195 - 4x
substitute x = 17°:
∠N = 195 - 4(17)
∠N = 127°
1) Kayla is using mental math to find the given sum. Which equivalent
expression could she use?
A)
85 + 20
B) 90 - 13
C)
100 + 13
D) 105 - 2