David picked 15 pears. Jenna picked p fewer pears than David. Write an expression that shows how many pears Jenna picked.

Answer:

a. 111.5 / 100

b. 1.15 feet

Step-by-step explanation:

a. if Eloise's statue is 1/100th of the height, it means that for every 100 cm of height of the actual statue, Eloise will have 1cm on hers.

Therefore the division problem 111.5 / 100 can be used to calculate the height of her statue in feet.

b. 111.5 feet / 100 = 1.15 feet

To produce five constructive batches of salsa, 2.5 cups of onion will be needed.

What is unitary method of problem solving?
The unitary technique involves first determining the value of a single unit, followed by the value of the necessary number of units. The unitary approach involves calculating the value of a single unit, from which we can calculate the values of the necessary number of units.

Given, the number of onions required to produce one batch = 0.5 cup(s)
∴ The number of onions required to produce five batches = 0.5×5
= 2.5 cup(s)
Thus, to produce five constructive batches of salsa, 2.5 cups of onion will be needed.

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The vertex of the quadratic equations is at (1, -1), then the vertex form will be:

y = 4*(x - 1)^2 - 1

For a quadratic equation with leading coefficient a and a vertex (h, k), the vertex form is:

y = a*(x - h)^2 + k

And for a equation: y = a*x^2 + b*x + c

The x-value of the vertex is at:

h = -b/2a

In this case, we have:

y = 4x^2 - 8x + 3

So the x-value of the vertex is at:

h = -(-8)/2*4 = 1

To get the y-value we evaluate in x = 1

y = 4*1^2 - 8*1 + 3

y = 4 - 8 + 3 = -1

The vertex is at (1, -1) and the leading coefficient is 4, then the vertex form is:

y = 4*(x - 1)^2 - 1

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The perimeter of the rectangle is  20 + 20√3 inches.

The perimeter of a rectangle is sum of the whole side of the rectangle. The side bounded by the rectangle is the perimeter of the rectangle.

Therefore,  the diagonal of the rectangle is given as 20 inches.

Using trigonometric ratios, let's find the sides of the rectangle.

sin 30 = opposite / hypotenuse

sin 30 = x / 20

x = 20 sin 30

x = 20 × 0.5

x = 10 inches

Therefore, using Pythagoras theorem,

20² - 10² = b²

b² = 400 - 100

b = √300

b = √100 × 3

b = 10√3

Hence,

perimeter of the rectangle = 2(l + w)

perimeter of the rectangle = 2(10 + 10√3)

perimeter of the rectangle = 20 + 20√3

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Step-by-step explanation:

750 people go on a coach trip each coach can hold 55 people How many coaches are needed?

750/55 = 13.636 coaches are needed.

Because you cannot have a partial coach, you round up to needing 14 coaches.

The needed sample size is 1419. Sample Size is defined as the number of observations in the study.

In the question we have ,

estimate value of all voters who believe global warming ( p) = 82% = 0.82

margin of error (M.E) = 2% = 0.02

confidence of interval is calculated by estimate point value and add or subtract margin of error .

here,we have the value of confidence of interval is 95% = 0.95

Margin of error formula is

M.E = Z × √(p(1-p)/n)

where, p --> is estimated value

n---> sample size , which we required

Z ----> is z-value for observation

for the confidence of interval level 95% , the Z-value is 1.96 exist.

put all value in above formula we get,

0.02 = 1.96 × sqrt( ( 0.82)(1-0.82)/n)

=> 0.02 = 1.96× √(0.82×0.18/n)

= 0.02/1.96 = √0.1476/n => 0.000104= 0.1476/n

=> n = 1419

So, sample size is large and it is 1419.

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Answer:

Each pineapple costs £0.70.

Step-by-step explanation:

Let P be the number of pineapples Helen purchased and C the cost per pineapple, in £.

Helen's total cost would be:  P*C = total cost.

The total cost is the difference between £5 and £3.60, which is  £1.40.

We are given P (the number of pineapples, 2) and the total cost (£1.40) , so enter those numbers in the equation:

P*C = total cost

2*C = £1.40

C = £0.70

The volume of the cuboid is [tex]\frac{6}{125}[/tex] and The volume of the cube is [tex]\frac{8}{27}[/tex]

The comparison of both a cube and a cuboid have six faces,a cube has six faces which are all squares and on the other hand, the cuboid is but a cuboid has rectangular faces.

What is a Cube?

A cube is a symmetrical three-dimensional shape which has all six sides equal.

To find the volume of cube is addition of all seen sides or the given sides all squared.

i.e volume of a cube= [tex]a^{3}[/tex]

volume of the cube=([tex]\frac{2}{3}[/tex])^3

Volume= [tex]\frac{8}{27}[/tex] cubic inches

How to dertermine the volume of a cuboid

Whar is a Cuboid?

A Cuboid is a three-dimensional solid shape that has 6 faces, 8 vertices, and 12 edges which the volume can be measured by multiplying the length by the breadth by the height .

Volume of a cuboid = L×B×H

Volume of a cuboid=[tex]\frac{2}{3}[/tex]×[tex]\frac{1}{5}[/tex]×[tex]\frac{3}{5}[/tex]

Volume of a cuboid=[tex]\frac{6}{125}[/tex] cubic inches.

To compare,

A cube has shapes of equal sides six faces and a cuboid faces are non-equal with six faces, 8 vertices and 12 edges.

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The domain of the function represented as .f(x) is (b) All positive integers less than or equal to 4

The equation of the function is given as

f(x) = 3x

Where

x = Number of splits

f(x) = number of new roots in each split

From the question, we have

Splits = 4

This means that the maximum value of x is 4

The other values of x would be

x = 1, 2, 3, 4

This can be represented as

0 ≤ x ≤ 4

The interpretation of the above notation is all positive values less than or equal to 4

Hence, the domain value is option (b)

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Answer:

what do you need help with?

Answer:

Step-by-step explanation:

You need a picture of the item.

The other sides of the new triangle are  13, 26 and 26 inches as calculated by the properties of similarity.

We know that when two triangles are similar then the ratio of the sides are also equal.

Let the original triangle be ΔABC and the new triangle be ΔXYZ

So from the property of similarity.

AB/XY = BC /YZ = CA/ ZX

Now it is given AB = 3 inches

XY = 13 inches

Hence AB/XY = 13/3

Hence YZ = 13 / 3 × 6 =26 inches

Again ZX = 26 inches

Similar triangles have parallel sides that are proportional to one another and parallel angles that are identical to one another.

Triangles can have different diameters despite having comparable exteriors. Triangles that are congruent and similar to each other usually don't match up.

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Using the relation between standard deviation and variance it is concluded that the standard deviation for the population for the given variance is 7.1

In statistics, the two most crucial metrics are variance and standard deviation. While the variance is a measurement of how data points vary from the mean, standard deviation is a measure of the distribution of statistical data.

The square root of the variance yields the standard deviation, i.e.

Standard deviation = [tex]\sqrt{variance[/tex]

Given that sample, the variance is 49.7 and we have to calculate the standard deviation.

Standard deviation (σ) = [tex]\sqrt{variance[/tex]

= [tex]\sqrt{49.7}[/tex]

= 7.0498

=7.1

Hence, the standard deviation for the population for the given variance is 7.1

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Answer:

1.5

Step-by-step explanation:

we calculate the circumference of this circle.

circumference of a circle=2πr

data:

r=8 mm

circumference=2(8 mm)π=16π mm

2)we calculate the measure, in radians of the angle.

We know that:

circumference of a circle=2π radians

therefore:

16π mm=2π radians.

16 π mm--------------------------2π radians

12 mm-----------------------------  x

x=(12 mm  *  2π radians) / 16π mm=1.5 radians.

Answer:

the options are wrong

Step-by-step explanation:

Answer:

C. 8

Step-by-step explanation:

2 x 8 = 16

16 - 16 = 0

2 x 0 = 0

The different ways can paint the spinner is [tex]4^{6}[/tex].

Permutation and Combination:

A permutation is an act of arranging objects or numbers in order. Combinations are the way of selecting objects or numbers from a group of objects or collections, in such a way that the order of the objects does not matter.

Here it is given that to paint the 6-sector spinner shown there are 4 colors to choose from.

The total number of ways to color this spinner with 6 different parts and 4 different colors is 4 × 4 × 4 × 4 × 4×4 = [tex]4^{6}[/tex] ways

Therefore the ways is [tex]4^{6}[/tex].

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Answer:

y = 44

Step-by-step explanation:

y = 300

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Steps are in the attached picture!

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Joke: What runs around a farm but doesn’t move?

Answer: A fence.

Have a great day and God bless! :D

Answer:25256

Step-by-step explanation:

Answer:

Step-by-step explanation:

yes, it is a function

Answer: no

Step-by-step explanation: you have -2,-5 and -2,0 you cant have 2 or more x values that are the same.

The length CT of the line segment is 38 units

From the question, we have the following parameters

CJ = 9x + 1

JT = 2x + 15

Also, we understand that:

Point J is the midpoint of segment CT.

This means that

CJ = CT

So, we have

9x + 1 = 2x + 15

Evaluate the like terms

7x = 14

So, we have

x = 2

Length CT is calculated as

CT = 9x + 1 + 2x + 15

So, we have

CT = 9 x 2 + 1 + 2 x 2 + 15

Evaluate

CT = 38

Hence, the length is 38 units

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The explicit formula is a_n = 3+4n

From the question, we have

a1 = 7

We know that,

a_n = a_1 +(n-1)d

a_n = 7 +(n-1)4

a_n = 7+4n-4

a_n = 3+4n

Subtraction:

Subtraction represents the operation of removing objects from a collection. The minus sign signifies subtraction −. For example, there are nine oranges arranged as a stack (as shown in the above figure), out of which four oranges are transferred to a basket, then there will be 9 – 4 oranges left in the stack, i.e. five oranges. Therefore, the difference between 9 and 4 is 5, i.e., 9 − 4 = 5. Subtraction is not only applied to natural numbers but also can be incorporated for different types of numbers.

The letter "-" stands for subtraction. Minuend, subtrahend, and difference are the three numerical components that make up the subtraction operation. A minuend is the first number in a subtraction process and is the number from which we subtract another integer in a subtraction phrase.

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Step-by-step explanation:

I skipped the answer line because they are pasted below.

Since there is a ten dollar difference for two people, each guest is 5 dollars. If each guest is 5 dollars, the party room is 120. If we want to create an equation, we have:

y=5x(each guest is 5 dollars)+120(the basic fee).

If we use 15 here, we have that it will be $195.

ANSWERS DOWN HERE:

1. $120

2. $5

3. y=5x+120

4. $195

The bar for 11th graders show 30% for preferring Salad.

Given, that the lunch orders from an upperclassman picnic.

                         11th Grade                      12th Grade                     Total

Salad                      12%                                  6%                              18%

Sandwich               20%                                24%                             44%

Soup                       8%                                  30%                             38%

Total                       40%                                 60%                            100%

To find the relative frequency we divide the frequency by the total.

hence, to find the relative frequency for 11th graders preferring Salad

12/40 = 0.3 = 30%

Hence, the bar for 11th graders show 30% for preferring Salad.

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A total of 30 golf balls are there in the bag that weighs 1110 grams.

A total of 69 golf balls weights 2553 grams in a bag.

It is asked that how much golf balls does make 1110 grams of weight.

Let us say that the weight of one ball is X.

So, Using unitary method,

We can write,

69 times mass of one golf ball = 2553 grams.

69X = 2553

X = 2553/69

X = 37 grams.

Hence, the weight of one ball is 37 grams.

Now, let us say that Y balls weights 1110 grams,

So, we can write,

Y time weight of one ball = 1110

37Y = 1110

Y = 1110/37

Y = 30.

Hence, 30 golf balls will weight 1110 grams.

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Answer:

30

Step-by-step explanation:

Answer: 37%

Step-by-step explanation:

36.9 rounds up into 37%

Answer:

  ∆JGF ≅ ∆GJH by the SAA Postulate

Step-by-step explanation:

Given a figure showing two triangles with a common side, and two marked angles not at either end of that side, you want to know the applicable congruence postulate.

The letters S and A in the congruence postulate references refer to "Side" and "Angle". The sequence of the letters corresponds to the sequence of corresponding parts in the triangles.

In the given figure, two angles in each triangle are marked with a single arc and a double arc. The triangles share a side that has the double-arc angle at one end. Hence, the sequence of corresponding parts can be seen to be (common) Side - (double-arc) Angle - (single-arc) Angle. The SAA congruence postulate applies.

  ∆JGF ≅ ∆GJH by the SAA Postulate

The recursive definition of the arithmetic sequence -34, -21, -8 is:

It is a sequence of values in which the difference between consecutive terms is constant and is called common difference d.

The nth term of an arithmetic sequence is given by the rule presented as follows:

[tex]a_n = a_1 + (n - 1)d[/tex]

In which [tex]a_1[/tex] is the first term of the sequence.

An arithmetic sequence can also be defined recursively, as follows:

In this problem, the sequence is given as follows:

-34, -21, -8.

Hence the first term and the common ratio are given as follows:

Hence the recursive definition of the sequence is:

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Answer:

3/2

Step-by-step explanation:

To multiply fraction×fraction, you multiply top×top and bottom×bottom.

2/3 × 3/2

= 6/6

= 1

The 3/2 is called the reciprocal. Take the number in the problem and flip it over to find the reciprocal.

Answer: -4.2c + 4.8d

Step-by-step explanation:

Multiply each number by 0.6 to get -4.2c + 4.8d.

The equation of given graph is y = |x - 3| + 5.

The graph of a absolute or modulus function is a V- shape graph. The function of absolute is f(x) = |x|. The general form of absolute function is f(x)=a |x - h| + k. Where (h,k) is the vertex of graph.

Here, we can see that graph is in the form of V shape, so the function will be absolute function. Now, we have to find the vertex of graph.

As seen from the graph the minimum point on the graph is located at the point (3, 5) and the value of a should be 1.

So, by putting the value of vertex in general equation we get the equation of the graph,

y = |x - 3| + 5

Therefore, the equation of given graph is y = |x - 3| + 5.

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Answer:

X would be 135 degrees

Step-by-step explanation:

35 is a vertical angle

180-(100+35) = 45

By supplements, 180-45 = 135 which would be your answer

hope this helps

the value o f x is 135, it mean x=135°