Answer:
(a) 2 degree celsius per hour
(b) 3 degree celsius per hour.
Step-by-step explanation:
From the question,
(a) Avearge rate of rise in temperature per hour(T') = Rise in temperature(T)/Time required for the rise(t).
T' = T/t.................... Euqation 1
Rise in temperature (T) = 4 degree celsius, t = 10.00 am to noon = 2 hours.
Substitute into equation 1
T' = 4/2
T' = 2 degree celsius per hour.
(b) Also,
Average rate of fall in temperature per hour (T') = Fall in temperature (T)/Time(t)
T' = T/t
Given: T = 6 degree celsius, t = 3:00 pm to 5:00 pm = 2 hours
T' = 6/2
T' = 3 degree celsius per hour
Angles 1 and 2 are supplementary. Angle 2 is 1/5 the size of angle 1. What are the degree measurements of each angle?
Answer:
the stated ratio means that of the 180 degrees involving two supplementary angles, the smaller angle is one sixth of that whole. Thus the smaller angle measures 30 degrees & the larger measures 150 degrees.
Step-by-step explanation:
The number of bacterial cells, B, in a container after t hours is given by B=25x2t After how many hours will there be 400 bacterial cells in the container?
Answer:
8 hours
Step-by-step explanation:
We have that;
B = number of bacterial cells, B, in a container after t hours
t = time taken in hours
The function is;
B=25x2t
Where B = 400 bacterial cells
400 = 25x2t
t = 400/25x2
t = 8 hours
solve the inequality.
-7/6 x -4 < -18 2/3
Answer:
x > 88/7
Step-by-step explanation:
i hope this helps :)
NEED HELP
Work out the value of 4y+3x when x=5 and y=-3
Thanks
Hey there!
“4y + 3x”
If x = 5 and y = -3, then substitute it into the equation
4(-3) + 3(5)
4(-3) = -12
-12 + 3(5)
3(5) = 15
-12 + 15
= 3
Answer: 3
Good luck on your assignment and enjoy your day!
~Amphitrite140:)
What pair of integers have a product of -24 and a sum of -10?
Answer:
-12 and 2
Step-by-step explanation:
Select all the expressions that are equivalent to 3x−4+2x−6.
Answer:
5x-10
Step-by-step explanation:
3x-4+2x-6
group like terms
3x+2x -4--6
5x-10
The expressions that are equivalent to 3x - 4 + 2x - 6 are:
5x - 2 - 6
5x - 16
To determine which expressions are equivalent to 3x - 4 + 2x - 6, we can simplify the given expression:
3x - 4 + 2x - 6
Combining like terms, we have:
(3x + 2x) + (-4 - 6)
Simplifying further:
5x - 10
Now, we can compare this simplified expression to the provided options:
a) 3x + 2x - 10
b) 5x - 2 - 6
c) 5x - 16
d) 6x - 10
By comparing the simplified expression 5x - 10 to the options, we find that options b) (5x - 2 - 6) and c) (5x - 16) are equivalent expressions.
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A licorice rope is 7 inches long. If four 5th graders share the licorice equally amongst themselves, what length of licorice will each student get?
Answer:
1.4 Inches Each
Step-by-step explanation:
This problem is fairly simple. Just divide 7 by 5 and put the correct units(inches) with the answer.
length of licorice each student will get is 1.875 inches.
What is simplification?A mathematical expression gets simpler when it is transformed into an equivalent, frequently shorter statement. One strategy for promoting uniformity in job effort, cost, and time is procedure simplification. It lessens diversity and variation that is harmful, unwanted, or unneeded.
Given, A licorice rope is 7 inches long. If four 5th graders share the licorice equally amongst themselves.
Since every 5th grader is sharing the rope equally.
Thus everyone will get = 7/4
Every 5th grader will get = 1.875 inches
Therefore, every 5th grader will get 1.875 inches length of licorice.
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Can someone please help me on this problem?
Answer:
$5820.07
Step-by-step explanation:
Substitute 243 into the equation for n:
[tex]c=117\sqrt[3]{243^{2} }+1264\\c=117\sqrt[3]{59049}+1264\\c=117*38.9407384+1264\\c=4556.06639+1264\\c=5820.06639[/tex]
Round 5820.06639 to the nearest hundredth:
5820.07
$5820.07
I need help with number 9
Which triangle is congruent to the figure below?
Answer:B
Step-by-step explanation: because it is trust me
Answer:
The answer is B
Please help I WILL GIVE BRAINLIEST
Answer:
[tex]\triangle{XAZ} \cong \triangle{XBY}[/tex] by the SAS postulate (side-angle-side)
Step-by-step explanation:
This is an overlapping triangles problem. Try drawing them separately, essentially pulling them apart. Mark side XY and XZ as congruent (given).
Angle X is shared by the two triangles, so angle X in triangle XAZ is congruent to angle A in triangle XBY.
Pls help me, I get so confused with math TwT
Answer:
did u ask sir
Step-by-step explanation:
or googel first
Answer:2?
Step-by-step explanation:
The difference is two numbers between 0 and 2
DA is tangent to the circle at A and DC is tangent to the circle at C. Find m2D for m B = 59. (The
figure is not drawn to scale.)
A
B
D
O 60.5
0 121
O 62
O 124
Answer:
A
Step-by-step explanation:
m angle b equals 59 now we have to find the arc of angle b.
so use the equation arc AC = 2(59)
arcAC = 118
360 - 118
=242
121/2
= 60.5
A
T
R
C
CR-12 cm
RE
11
TI-
IV.
VE-
CE
EA
AT
Answer:
i think those are cord nits correct me if im wrong i might be
Step-by-step explanation:
13. Find KL.
J
K
72°
14
L
51°
M
Answer:
tan51 = JL ÷ 14
JL = 17,29
cos72 = KL ÷ 17,29
KL = 5,34
From the given information JLK = 72°, JM = 14 and JML = 51°. The distance of KL is 5.34.
What are the trigonometric ratios?Trigonometric ratios for a right-angled triangle are from the perspective of a particular non-right angle.
In a right-angled triangle, two such angles are there which are not right angled(not of 90 degrees).
The slanted side is called the hypotenuse.
From the considered angle, the side opposite to it is called perpendicular, and the remaining side will be called the base.
It is given that
JLK = 72°
JM = 14
JML = 51°
tan51 = JL / 14
JL = 17.29
cos72 = KL / 17.29
KL = 5.34
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Lines Line D E and Line A B are parallel. Lines D E and A B are parallel. Angles B and D are alternate interior angles. Which angles represent alternate interior angles
Answer:
Angles B and D
Step-by-step explanation:
Since Lines D E and Line A B are parallel hence
The angles that will represent alternate interior angles will be
Angles B and D
This is because when two parallel lines are cut through by a transversal, the corresponding angles are congruent .
Answer:
B
Step-by-step explanation:
2. The picture shows a feeding trough that is shaped like a right prism.
(a) Surface A and B are identical trapezoids. What are the lengths of the bases of the trapezoids? What is the height?
(b) Surfaces A and B will be painted blue. What is the total area that will be painted blue?
(c) The edges of the trapezoids need to be sanded. A piece of sandpaper advertises that it can sand up to 80 cm. Will one piece of sandpaper be enough to sand the edges of one trapezoid? Explain.
Answer:
B
Step-by-step explanation:
i don’t understand this
Answer:
Zoom in and I hope it helps you
What is the volume of the prism below?
A. 56 units 3
B. 144 units
C. 288 units
D. 180 units
Answer:
C ,288Step-by-step explanation:
hope this helpsWhat is the formula for the circumference using the radius below?
Answer:
2π(5)
Step-by-step explanation:
Circumference
C=2πr
Complete the table and then graph the function.
y = x + 1 look at photo
Is the square root of 65 rational or irrational?
Step-by-step explanation:
[tex] \sqrt{65} [/tex]
As it can't be expressed in the form p/q, where q is not equal to 0,
Hence,
square root 65 is an irrational
Please help I’ll make you the brainiest
Answer:
Length of smaller side = 15 inches
Length of bigger side = 36 inches
Length of hypotenuse = 39 inches
Step-by-step explanation:
Given:
Length of smaller side = a
Length of bigger side = (a + 21) inches
Length of hypotenuse = (a + 24) inches
Find:
Length of all side
Computation:
Using Pythagorean theorem
Hypotenuse² = Base² + Perpendicular²
(a+24)² = a² + (a+21)²
a² + 576 + 48a = a² + a² + 441 + 42a
a² - 6a - 135 = 0
(a-15)(a+7)
So
a = 15 inches a = -7 inches
So,
Length of smaller side = a = 15 inches
Length of bigger side = (a + 21) inches = 15 + 21 = 36 inches
Length of hypotenuse = (a + 24) inches = 15 + 24 = 39 inches
what is 23456 × 79825
Answer:is 1,872,375,200
Step-by-step explanation:
Answer:
1872375200 answer is !!!
The radius of a circle is 14 m. Find its area in terms of pi
Answer:
615.44
Step-by-step explanation:
The area of the circle is 196π m².
What is a circle?A circle is a bounded figure which points from its center to its circumference is equidistant.
Area of a circle = πr²
Where :
π = pi = 22/7R = radiusπ14² = 196π m²
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In parallelogram HJKL if m<KLH=170 find m<LHJ
Answer:
bro what is even happening here
so confused but okay
Answer:
∠ LHJ = 10°
Step-by-step explanation:
Consecutive angles in a parallelogram sum to 180°
Then
∠ KLH + ∠ LHJ = 180°
170° + ∠ LHJ = 180° ( subtract 170° from both sides )
∠ LHJ = 10°
Ryan is riding his bike. He biked a distance of 12 miles at a rate of 4 miles per hour. Rearrange the distance formula, d = rt, to solve for Ryan's time in minutes.
CAN YOU VERIFY THAT THE ANSWER IS 180?? i think it is but I wanna make sure :)
480 minutes
180 minutes
8 minutes
3 minutes
Answer:
distance =12 miles
speed =4 miles per hour
Time=?
t =d/s
t= 12/4
time= 3 minutes
Find P (Horse/Female) Hint: P(A and B)/P(B)
the answer is 6 at the top and 9 at the bottom but the answer for that question is 6.
Answer:
1/13
Step-by-step explanation:
Step 1: Find the number of horses and divide it by the number of females.
2 Horses / 26 Females
Step 2: Simplify the fraction.
1 Horse / 13 Females
Final Answer:
1/13
GEOMETRY NEED HELP AS FAST AS POSSIBLE
In the given diagram, the value of x is 15
Pythagorean theoremThe Pythagorean theorem states that, in a right triangle, the square of the longest side (hypotenuse) equals sum of squares of the other two sides
From the question, we are to determine the value of x.
x is the radius of the circle
Recall: Radius is any line that runs from the center to any part of the circumference
Consider the right triangle formed, x is the hypotenuse
By the Pythagorean theorem,
x² = 9² + 12²
x² = 81 + 144
x² = 225
x = √225
x = 15
Hence, the value of x is 15.
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Which of the shapes below are quadrilaterals? Select all that apply.
A) rectangle
B) parallelogram
C) square
D) rhombus
Answer:
A, B, C, D
Step-by-step explanation:
Quadrilaterals are shapes that have a total of four sides. Rectangles, parallelograms, squares, and rhombuses all have a total of four sides. Therefore, they are quadrilaterals.
Rectangle, Parallelogram, Square and Rhombus are Quadrilaterals.
We know,
A quadrilateral is a polygon with four sides. It is a geometric shape that is characterized by having four straight sides and four vertices. The interior angles of a quadrilateral add up to 360 degrees.
As, Rectangle have four sides then it is a quadrilateral.
As, Parallelogram have four sides then it is a quadrilateral.
As, Square have four sides then it is a quadrilateral.
As, Rhombus have four sides then it is a quadrilateral.
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