tyler can shovel the driveway in 2 hours. dakota can complete the job in 90 minutes. if they work together, how long will it take

Answers

Answer 1
it would take 1minute and 10 seconds to complete the job because you have to subtract 2hours (2:00) by 90seconds (0:90)

Related Questions

A King cobra has a mass of 8.845 kilograms. Round the mass to the nearest tenth kilogram

Answers

The answer is 9 Kilograms.
8.8 because if you try to round the tenths you can't, because the number to the right is less. Little saying: 5 or more raise the score, 4 or less, let it rest!

Solve. Which number is equivalent to the expression below?
│ 12 – 8 │

A. 4

B. -4

C. 20

D. -20

Answers

A. 4
 
If it's an absolute value question then the absolute value of 12-8 is four
I would think A. Because think, what's 12-8? It's 4. Just take out the.... ummm... what ever those things are called...

Evaluate 2xy2xy when x=−14x=−14 and y=3y=3.

Answers

16x+y
i belive is your anwaser
good luch leave a thanks 

The answer should be 15x+y

The median of the values of the data set is h. If 625 were subtracted from each of the values in the data set what would be the median of the resulting data ?
A. H - 625
B.625 - h
C.h + 625
D.625 • h

Answers

Meanaverage: 
add everything & divide by how manyMedianmiddle value (medium): 
write data in order, find the middle value
if there are two middles, find their averageModemost frequent value: 
find the number you see the most number of timesRangespread (or span) of the data: 
max - min
subtract the maximum (biggest) value minus the minimum (smallest) valueVariationmeasures the spread of the data 
(how far apart the data points are from the mean)Symmetrical Graphthe data is close together: 
there is less difference from each data point to the mean valueNormal Distribution

Answer:

Hi!

The correct answer is A. h-625.

Step-by-step explanation:

If you have a dataset listed in ascending order:

[tex]A = \lbrace\ a_1, a_2, a_3,..., a_\frac{n}{2},..., a_n \rbrace[/tex]

[tex]median = a_\frac{n}{2}[/tex]

The value of the mean, if the dataset is even:

The value of that divides a data sample into two halves.

The value of the mean, if the dataset is odd:

The average of the two middle values that divide a data sample into two halves.

If we substract 625 to each value of the dataset:

[tex]A = \lbrace\ a_1 - 625, a_2 - 625, a_3 - 625,..., a_\frac{n}{2} - 625,..., a_n - 625 \rbrace[/tex]

[tex]median = a_\frac{n}{2} - 625[/tex]

The position of the middle value is the same before the subtraction of 625, then the median would be H - 625.

589=7 times 84 + n ?

Answers

7 times 84 is 588 so n equals 1
Isolate the variable by subtracting the product of 7 times 84, which is 587, from 588 and 589, leaving you with n=1

Estimate the number 78% of 112

Answers

I believe it is 87.36. You would take 78% and muiltply it by 112. I think. Hope I helped.
To find 78% of 112

find 10% which is 11.2 (divide by 10)
find 70% by multiplying 11.2 by 7 which is 78.4
find 1% by dividing it by 100 which would give you 1.12
find 8% by multiplying 1.12 by 8 which would be 8.96
78% is 78.4 + 8.96 which is 87.36

ANSWER- 87.36

I need help on this question

4x−5y=24

Answers

x = 16, y = 8.

4(16) = 64. 5(8) = 40. 64-40 = 24. 

If two figures are similar but not congruent, what do you know about the sequence of transformations used to create one from the other?

Answers

If two figures are similar, the corresponding side ratios are equal.
If one side is 1/3 of a corresponding side from the other figure, then the ratio for all the sides to their corresponding counterparts is 1/3.

Have an awesome day! :)

From your friendly Helper-in-Training, collinjun0827
Their angles are equal. Their sides are proportional. For example, if a smaller triangle has the angles 30, 60 and  90 degrees, then the larger similar triangle has the same degrees. If a smaller triangle has sides 3, 4 and 5, then the larger similar triangle could have sides 6, 8 and 10 or 9, 12 and 15. Etc., etc....
I hope this helps.

3,478 divided by 9
2,205 divided by 6
6,033 divided by 5
926 divided by 4

Answers

3,478/9= 386.4 repeating(line over the 4)
2,205/6=367.5
6,033/5=1,206.6
926/4=231.5
Hope this helps

Answer:

Step-by-step explanation:

3,478/9= 386.4 repeating(line over the 4)

2,205/6=367.5

6,033/5=1,206.6

926/4=231.5

Hope this helps

20 points
please help

in return brainliest and special thanks

Answers

this is easy it is 3, 4
The answer will be D because square root of 10 is 3.16 if you round

Product A costs her $26.50 She decides mark the product up 30% .How will Emerson charge for product A

Answers

So originally the product was $26.50 so since the product is marked up 30% you would divide 26.50 by .30 which will be$88.3

Final answer:

To find the price Emerson will charge for product A with a 30% markup, add the markup to the original cost of $26.50. The final price will be $34.45.

Explanation:

To find the price at which Emerson will charge for product A, you need to add 30% markup to the original cost of $26.50.

To calculate this, first find 30% of $26.50. Multiply $26.50 by 0.30.

30% of $26.50 = $7.95

Next, add the markup to the original cost:

$26.50 + $7.95 = $34.45

Therefore, Emerson will charge $34.45 for product A.

A fruit basket is filled with 8 bananas, 3 oranges, 5 apples, and 6 kiwis. For every 3 kiwis, there are 4... A) Bananas B) Oranges C) Apples

Answers

A) Bananas.

The reason why I think this is because..

3/6 and 4/8 are very alike. They both are multiplied by 2 and so 4 times 2 is 8 and that equals to A.

Lol, hope it helps.

Based on the information given, for every 3 kiwis, there'll be 4 bananas.

Number of bananas = 8

Number of oranges = 3

Number of apples = 5

Number of kiwis = 6

Since the question was that there are 3 kiwis, therefore we have to divide the other fruits by 2 as well. In this case, the number of bananas will be:

= 8/2 = 4

Therefore, from the information depicted above, for every 3 kiwis, there'll be 4 bananas.

In conclusion, the correct option is A.

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The table below shows the steps to prove that if the quadrilateral ABCD is a parallelogram, then its opposite sides are congruent:


Statement: Reasons:
1 AB is parallel to DC and AD is parallel to BC -Definition of parallelogram

2 angle 1 = angle 2, angle 3 = angle 4 -If two parallel lines are cut by a transversal then the alternate interior angles are congruent

3 BD = BD -Reflexive Property

4 triangles ADB and CBD are congruent -If two angles and the included side of a triangle are congruent to the corresponding angles and side of another triangle, then the triangles are congruent by ______?_?_?_______

5 AB = DC, AD = BC -Corresponding parts of congruent triangles are congruent

Which choice completes the missing information for reason 4 in the chart?
AAS postulate
ASA postulate
HL Postulate
SAS postulate

Answers

Answer: ASA postulate, that is Angle-Side-Angle postulate.

Step 4 of the proof states that the triangles ADB and CBD are congruent, and the reason is that :

Angle 4 - Side BD - Angle 1 of triangle ADB are respectively equal to 

Angle 3 - Side BD - Angle 2 of triangle CBD.

So we have 2 pairs of congruent angles including 2 equal sides of the triangles. This is congruence by ASA postulate.


The correct postulate for reason 4 in the proof chart is the ASA postulate.

To complete the missing information for reason 4 in the proof chart, we need to identify the correct postulate used for congruent triangles.

The given triangles ADB and CBD share the side BD (Reflexive Property), and they have pairs of congruent angles formed by the parallel lines (Alternate Interior Angles Theorem).

Since these triangles have two angles and the included side congruent, the appropriate postulate is the ASA postulate (Angle-Side-Angle).

Therefore, the correct choice is the ASA postulate.

Can anyone give me the answer to 18.. Part A and B...if u can explain too please

Answers

18 Part A
A cube is a solid with 6 faces. All faces are congruent squares. All edges of the cube are sides of the square faces. Since all faces are congruent squares, all edges of the cube are congruent segments. You can find the lengths of all edges of the cube since they are all equal.

18 Part B
The volume of a cube is the cube of the edge.
If you are given the volume of a cube, take the cubic root of the volume to find the edge of the cube.
edge = cubic root of 64 cm^2 = 4 cm
Since we now know the edge, we can find the area of a square face.
A = side^2 = (4 cm)^2 = 16 cm^2
Each face of the cube has an area of 16 cm^2.
The area of the square hole in the toy is 8 cm^2, so the block will not fit in the square hole.

Translate the following sentence into Math symbols, then solve the problem

y more than 4 is -36

Answers

-40 aka y, more than 4 is -36. 
y+4=-36
-4 -4
y = -40

Use rigid motions to explain whether the triangles in the figure are congruent. Be sure to describe specific rigid motions in your explanation.

Answers

Rigid motion of a plane is a transformation where the original and new image are congruent. In short, it's also known as isometry.

In the case above, ΔDWP is presumed to be congruent to ΔMJS. Rigid motions involved here are translation and rotation.

In translation, you are basically sliding/moving the figure. ΔDWP is moved five (5) units down then one (1) unit to the left. Thereby, coinciding point W of ΔDWP and point J of ΔMJS.

Next rigid motion used is rotation. The figure is simply rotated approximately 90 degrees thereby coinciding all points of ΔDWP to ΔMJS.

To check for congruency by just merely looking on the plane, compare the lengths of the sides of the triangles.

side DW = side MJ = 2 units
side WP = side JS = 4 units
side PD = side SM = 5 units

Therefore, we can say that ΔDWP is congruent to ΔMJS.


Final answer:

In mathematics, congruence of triangles is determined using rigid motions. If one can be made to coincide with the other through translation, rotation, and reflection, then the triangles are congruent.

Explanation:

In mathematics, congruence of triangles is determined using rigid motions. Rigid motions include translation, rotation, and reflection. These motions maneuver a figure without altering its shape or size, hence the term 'rigid'.

To determine if two triangles are congruent by rigid motions, you could move one triangle using a combination of these rigid motions to check if it can overlap perfectly with the other triangle. For example, you may need to translate (or slide) the triangle a certain distance in a certain direction, rotate it around a point by a certain angle, and possibly reflect it across a line.

If you can make one triangle coincide with the other through these rigid motions, then the triangles are congruent. Otherwise, they are not congruent. This is basically the idea behind the congruence of triangles through rigid motions.

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1. Select all irrational numbers.



Square root of 10
Square root of 27

Square root of 49

Sq. Rt 64

Sq. Rt 99

2. Select all irrational numbers.



14√

24√

34√

44√

54√

3. Select "Rational" or "Irrational" to classify each number.
0.25
Sq. Rt. 0.25
Sq. Rt. 0.33
Be 100% SURE

Answers

14√

24√ - Irrational 

34√ - Irrational 

44√ - Irrational 

54√ - Irrational 

Answer: (1)[tex]\sqrt{10}, \sqrt{27}, \sqrt{99}[/tex], (2) [tex]\sqrt{14}, \sqrt{24}, \sqrt{34}, \sqrt{44}, \sqrt{54}[/tex], (3) [tex]\sqrt{0.33}[/tex] are irrational numbers.

Explanation:

(1)

A number is called an irrational number if it can not be written as a simple fraction form. For example [tex]\sqrt{2}, \sqrt{3},\sqrt{5},...[/tex].

If a real number is multiplied by an irrational number then the result is an irrational number.

[tex]\sqrt{49}=7[/tex]

[tex]\sqrt{64}=8[/tex]

Since the result of these square roots are a rational number, therefore [tex]\sqrt{49},  \sqrt{64}[/tex] these are rational numbers and [tex]\sqrt{10}, \sqrt{27}, \sqrt{99}[/tex] are irrational numbers.

(2)

[tex]\sqrt{14} =\sqrt{7} \sqrt{2}[/tex]

[tex]\sqrt{24} =2\sqrt{6}[/tex]

[tex]\sqrt{14} =\sqrt{17} \sqrt{2}[/tex]

[tex]\sqrt{44} =2\sqrt{11}[/tex]

[tex]\sqrt{54} =3\sqrt{6}[/tex]

All the number in the option can not be written in the form of simple fraction, so all the options represents the irrational numbers.

(3)

[tex]0.25=\frac{1}{4}[/tex]

[tex]\sqrt{0.25} =0.5=\frac{1}{2}[/tex]

[tex]\sqrt{0.33} =\frac{\sqrt{33}}{10}[/tex]

Therefore, the number [tex]\sqrt{0.33}[/tex] is an irrational number. The numbers [tex]0.5,\sqrt{0.25}[/tex] are rational numbers.

From the set {70, 20, 15}, use substitution to determine which value of x makes the equation true.
5x = 75

help please god bless

Answers

X=15

Just divide 5x by 5 and 75 by 5

use division to find all the whole number ratios equivalent to 56 :24.

Answers

The equivalent ratios are:
7:3, 14:6, 21:9, 28:12, 35:15, 42:18, and 49:21.

Hope this helps! :D

~PutarPotato

jason earns $20 per game as a referee in youth soccer games. write an expression to find out how much money jason will earn for refereeing abny number of games. let n represent the number of games Jason has refereed. How much will he earn for refereeing 6 games? please help

Answers

20n would be your expression. So plug 6 in for n, and multiply it by 20. Simple!
y = 20n. He will earn $120 for 6 games.

Find the product (3p^4)^4×(p^2)^7

Answers

To raise a product to a power, raise each factor to the power.
To raise a power to a power, multiply the powers.
To multiply powers with the same base, add exponents.

(3p^4)^4 * (p^2)^7 =

= 3^4 * (p^4)^4 * p^14

= 81 * p^16 * p^14

= 81p^30

what is the value of y?
Circle the correct answers. y + 3.5 = 18 y = 14.5 y = 15.5

Answers

y= 18 - 3.5 
y=14.5
hope this helps 
Y = 14.5
Check the answer: 14.5+3.5=18

What fraction of 2 kg is 275g? Give your answer in simplest form.

Answers

Answer:

Step-by-step explanation:

1kg=1000g

2kg=2000g

275/2000=11/80g

A fraction is the representative of the part of a whole. The fraction that

275 grams represent in 2 kg is given by the number of 275 grams in 2 kg.

The fraction of 2 kg that is 275 g is [tex]\dfrac{11}{80}[/tex]

275 g is [tex]\underline{\dfrac{11}{80}}[/tex] parts of 2 kg

Reasons:

The required information; The fraction of 2 kg that is 275 g.

Solution:

First the values are expressed in the same unit of kilograms as follows;

275 g = 0.275 kg

Therefore, we get;

[tex]\dfrac{0.275 \, kg}{2 \, kg} = \dfrac{25 \times 11 \, g}{25 \times 80 \, g} = \dfrac{11}{80}[/tex]

Therefore;

275 g is [tex]\dfrac{11}{80}[/tex] of 2 kg

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If x = 0, then f(0) = . If f(x) = 0, then x =

Answers

Answer:

2.25 and the second one is -1

line r is parallel to line t. find m<6. The diagram is not to scale

Answers

m <3 + 138 =190
so m<3 = 180 -138 = 42
r ans t are parallel so m<3 = m<6 then m<6 = 42

answer C.42

The staff at the arcola country club prepares tables for a wedding reception they are able to prepare 6 tables in 45 minutes how many tables can the staff prepare in 4 hours

Answers

4 hours=240 minutes
240 minutes=5 1/3 45 min. intervals
5 1/3 x 6 = 16/3 x 6 = 32

The staff can prepare 32 tables in 4 hours

at medina middle school 2% of the students ride bikes to school.if 950 students attend medina middle school,how many students ride a bike to school?

Answers

19 people ride bikes

a chair lift on the ski slope travels a total distance of 4640 ft to the top of a 2178 foot mountain find the angke of ski slope

Answers

Refer to the diagram shown below.

Let x =  the angle of the ski slope.
By definition,
sin x = 2178/4640 = 0.4694
x = sin⁻¹ 0.4694 = 28°

Answer: 28°

Whats the answer with work shown




2h+15=3h-15

Answers

Salutations!

[tex]2h+15=3h-15[/tex]

[tex]2h-3h = -15-15[/tex]

[tex]-1h=-30[/tex]

Both of minus gets cancelled.

[tex]x=30/1[/tex]

[tex]x=30[/tex]

Hope I helped (:

Have a great day!

2.Solve the following proportion. r/5=9/21 A. r=9 B. r=2.14 C. r=11.66 D. r=37.8

3.A recipe calls for 4 cups of sugar to make 4 dozen cookies. Use the proportion to calculate how much sugar is needed to make 8 dozen cookies.

Answers

2. r/5=9/21
r x 21 = 9 x 5
r= 45/21
r= 2.14 ( the answer is B)

3. 4 cups-> 4 dozen
x cups-> 8 dozen

4/x = 4/8
X x 4= 4 x 8
x= 32/4
x= 8 cups

The value of r in relation r/5=9/21 is 2.14.

What is proportion?

In general, the term "proportion" refers to a part, share, or amount that is compared to a total.

According to the concept of proportion, two ratios are in proportion when they are equal.

A mathematical comparison of two numbers is called a proportion. According to proportion, two sets of provided numbers are said to be directly proportional

\to one another if they increase or decrease in the same ratio. "::" or "=" are symbols used to indicate proportions.

Given:

r/5=9/21

Now, cross multiplying

r x 21=  9 x 5

21r = 45

r= 45/21

r= 15/7

r= 2.14

Hence, the value of r is 2.14.

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