PLEASE HELP ASAP ITS GEOMETRY

The percentage of the espresso sold were single shot were 92%

what is percentage?

A fraction whose denominator is 100 is known as percentage.

We are given that the number of single shot espressos sold were 69 and number of double shot espressos sold were 6

Hence the total number of espressos sold were 69+6=75

The percentage of single shot espressos sold were [tex]\frac{69}{75}[/tex]

On simplifying we get the value as 0.92

To find the percentage we multiply this by 100 we get 92%

Hence the percentage that single shot espressos were sold is 92%

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The equation of parabola is y = -6x² + 24x - 30

Define Parabola

A symmetrical open plane curve created when a cone and a plane that runs perpendicular to its side collide. Ideally, a projectile travelling under the pull of gravity will travel along a curve similar to this one.

We know the equation of parabola in vertex form,

y = a(x - h)² + k

And , we know the vertex (h, k) = (2, -5)  and a = -6

put these values in given equation,

y = a (x - h)² + k

y = -6(x - 2)² + (-6)

y = -6(x² + 4 - 4x) - 6

y = -6x² - 24 + 24x - 6

y = -6x² + 24x - 30

Hence, the equation of parabola is y = -6x² + 24x - 30

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The budget for books for the fourth semester should be $430.

A nursing student is budgeting for college. He spent $325.00 on books for the first semester, $460.00 on books for the second semester, and $395.00 for the third semester.

Amount spent on books for the first semester = $325.00

Amount spent on books for the second semester = $460.00

Amount spent on books for the third semester = $395.00

Difference in amount spent in second semester and first semester = 460.00 - 325.00 = 35

Difference in amount spent in third semester and second semester = 395.00 - 460.00 = 35

The amount spent by a nursing student is increasing by $35 each semester. So,

money needed for books for the fourth semester = 395 + 35 = $430

Thus, $430 should be the budget for books for the fourth semester.

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Solution

The standard form of a quadratic equation is

The possible options that can correctly be used to complete Jenna's statement on the similarity of the triangles includes any of the following;

Similar triangles are triangles that have proportional sides and in which the measure of all the interior angles in one triangle is the same as the measure of the interior angles in the other triangle

Similar triangles are triangles that have

The required conditions that indicates that two triangles similar includes;

Therefore,

[tex] \triangle P_1P_2Q \sim \triangle \: P_3P_4S[/tex]

When any of the above three conditions are satisfied.

The possible correct options are therefore;

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Answer:

23,420

Step-by-step explanation:

10^2=100

4.2×100=420

10^4=10,000

2.3×10,000=23,000

420+23,000=23,420

Use proportions to find the values that must be in the blanks.

For the first blank, 2 is to 5 as the value is to 10:

The first blank must be filled with 4.

For the second blank, 2 is to 5 as 6 is to the value:

The second blank must be filled with 15.

For the last blank, 2 is to 5 as the value is to 25:

The last blank must be filled with 10

The length of RD in the triangle is 108 cm

The given parameters are

As a general rule, the centroid of a triangle divides the triangle into the following ratio

Ratio of centroid = 1 : 2

This means that

Ratio of centroid, RL : LD = 1 : 2

Substitute 36 for RL

So, we have

36 : LD = 1 : 2

Multiply the right ratio by 36

36 : LD = 36 : 72

By comparison, we have

LD = 72

The length of RD is calculated as

RD = RL + LD

This gives

RD = 36 + 72

Evaluate

RD = 108

Hence, the value of RD is 108 cm

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Answer:

[tex]\frac{2}{3} -\frac{1}{4}= \frac{8}{12} -\frac{3}{12} =\frac{5}{12}[/tex]

Step-by-step explanation:

We have to find a common denominator between the two fractions and that would be 12.

Then we multiply the fractions respectively to change both denominators to twelve and substitute them into the equation.

Answer: 11/12

Step-by-step explanation:

first, you find the common multiple of the denominators which is 12

Then you multiple by the number that got the denominator to 12 by the numerator as well

2/3= 8/12

1/4= 3/12

then you subtract the numerators

5/12

The mathematical expression f(x)=exp or ex denotes the exponential function. A function is said to be an exponential function when the value of the function increases/decreases rapidly.

The mathematical expression f(x)=exp or ex denotes the exponential function. The word, unless specifically stated differently, normally refers to the positive-valued function of a real variable, though it can be extended to the complex numbers or adapted to other mathematical objects like matrices or Lie algebras.

When the input variable x appears as an exponent in the formula f(x) = ax, an exponential function is indicated. The exponential curve is influenced by both the exponential function and the value of x. x can be any real number in the case when a>0 and a=1 are true.

The complete question is,

Which situations can be represented by an exponential function? select each correct answer. an event organizer finds each year's attendance for the past five years is about 45 of the previous year's attendance. on the highway, Kareem's car gets 38 mpg. shu fang has $25.75 deducted from her checking account every month. a toad population is increasing by about 7.5% each year?

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The statement that describes the graph of the proportional relationship is:

"A line passes through the point (0, 0) and continues through the point (15, 5)."

We have a proportional relationship defined by the following table:

x: 15, 8, 21

y: 5, 3, 7

Remember that a general proportional relationship is given by the formula:

y = k*x

Where k is the constant of proportionality.

If we take x = 0, we always get:

y = k*0

y = 0

So the line always passes through the point (0, 0).

And by using the information on the table, we also know that the line passes through (15, 5), (9,3) and (21, 7).

Then the correct option is:

"A line passes through the point (0, 0) and continues through the point (15, 5)."

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Answer:

The first thing you need to do is open the bracket

4(b-6)+19

=4b -24 +19

collect like terms

4b=24 -19

4b =5

divide both sides by 4

4b/4=5/4

b=5/4 or 1.25

Answer:

[tex]y=-x+1[/tex]

Step-by-step explanation:

[tex]midpoint=(\frac{x_1+x_2}{2} ,\frac{y_1+y_2}{2} )[/tex]

Find the midpoint:

[tex]M=(\frac{-7+1}{2} ,\frac{0+8}{2} )=(-3,4)[/tex]

[tex]slope=\frac{rise}{run} =\frac{y_2-y_1}{x_2-x_1}[/tex]

Find the slope:

[tex]m=\frac{8-0}{1--7} =\frac{8}{8} =1[/tex]

Perpendicular lines have negative reciprocal slopes, therefore:

[tex]m=-1[/tex]

Use the point-slope formula with our new slope and midpoint:

[tex](y-4)=-1(x+3)[/tex]

Distribute -1:

[tex](y-4)=-x-3[/tex]

Add 4 to both sides:

[tex]y=-x+1[/tex]

Um maybe try it out then ask for help from the teacher

Answer:

(20/4)

Step-by-step explanation:

The term "quotient" implies division, which is present in the (20/4) part of the expression.

The percentage error of Margaret's guess she made while buying curtains without measurement is 11.11%

The term percentage error is one that has to do with the difference that lies between the estimated value and the value that is the actual value and the way that it is compared to the actual value. This usually measured in terms of percentages.

percentage error is found by

= ( actual price - guessed price ) / guessed price * 100

= ( 40 inches - 36 inches ) / 36 inches * 100

= 4 inches / 36 inches * 100

= 0.1111 * 100

= 11.11 %

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For the given question the correct order of construction is as follows -

The order is as follows:

Any two or more lines that cross one another on a plane are said to be intersecting lines. Where the intersecting lines share a common point is known as the point of intersection, and it can be located on all intersecting lines. The junction of lines P and Q at point O is depicted.

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We have the following equation to find the simple interes:

where P is the principal amount, r is the rate and n is the time period.

In this case, we have the following:

thus, the interest after 1 year is $240.

To find the future value, we can add the interest to the principal amount to get:

therefore, the future value is $6240

Answer:

Step 1: Judging by the relative lengths of the sides of the two triangles, we can conclude that A corresponds to T, B to S, and C to R, which we can write as

△

A

B

C

∼

△

T

S

R

.

In particular, the smallest sides

A

B

and

T

S

are corresponding sides with known lengths, so we form the ratio of their side lengths

9

15

. Remember that all ratios of corresponding side lengths are equal.

Step 2: Next we form a ratio that involves

x

. Since

B

C

and

S

R

are corresponding sides, we know that the ratio of their side lengths equals the ratio from Step 1:

18

x

=

9

15

Step 3: Finally, we cross-multiply and solve for

x

:

x

⋅

9

=

18

⋅

15

9

x

=

270

x

=

270

9

=

30

That is, the missing side length is 30.

Answer:

the 3(2m+1m) and 9m.

Step-by-step explanation:

The probability that Maria wins a free unlimited rides pass or a ticket to ride the ferris wheel is C. 7/12.

It should be noted that probability simply means the likelihood that an event will occur.

In this case, the probability that Maria gets all 4 bean bags in the jar she will win a free unlimited rides pass is 1/4.

The probability that Maria gets 3 bean bags in the jar she will win a ticket to ride the ferris wheel is 1/3.

Therefore, the probability to get the tickets or ride pass will be:

= P(ride pass) + P(tickets)

= 1/4 + 1/3

= 3/12 + 4/12

= 7/12

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The time that it will take a group of 4 workers to do the same job, if each worker performs at the same rate is D. 15.

It should be noted that an expression simply illustrates the relationship between the variables that are given.

In this case, the group of 3 workers needs 20 days to do a certain job. Let the time taken for the 4 workers be x. This will bee illustrated as:

3/4 = x/20

Cross multiply.

4x = 3 × 20

4x = 60

Divide

x = 60 / 4

x = 15

They will use 15 days to to the job.

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The breadth of the rectangle is 7cm or 70 mm.

It is given in the question that:-

Area of the rectangle = 98 square cm

Length of the rectangle = 140 mm

We have to find the breadth of the rectangle.

We know that,

1 cm = 10 mm

Hence,

140 mm = 14 cm

Also,

Area of a rectangle = (Length of the rectangle)* (Breadth of the rectangle)

Hence, we can write

98 = 14*(Breadth of the rectangle)

Breadth of the rectangle = 98/14 = 7 cm

Hence, the breadth of the rectangle is 7 cm or 70 mm.

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Answer: t≈8.93 units

Step-by-step explanation:

The cosine of an angle (cos) is the ratio of the adjoining leg of a right triangle to the hypotenuse

Hence,

[tex]\displaystyle\\cos56^0 =\frac{5}{t} \\[/tex]

Multiply both parts of the equation by t(t≠0):

[tex]\displaystyle\\cos56^0(t)=\frac{5}{t} (t)\\\\t(cos56^0)=5[/tex]

Divide both parts of the equation by cos56°:

[tex]\displaystyle\\t=\frac{5}{cos56^0} \\\\t\approx\frac{5}{0,56} \\\\t\approx8,93\ units[/tex]

Answer:

510 words

Step-by-step explanation:

[tex]\frac{153}{3} =51[/tex]  → Ben can type 51 words in 1 minute

[tex]51*10 = 510[/tex] → Ben can type 510 words in 10 minutes.

The cost of tickets for senior citizen and students are $11 and $13 respectively.

To solve this problem, we have to write out system of equations and solve the value of the unknown.

Let;

We can express the problem mathematically as;

[tex]6x + 4y = 118..eq(i)\\14x + 8y = 258 ...eq(ii)[/tex]

Solving for x and y;

[tex]6x + 4y = 118..eq(i)\\14x + 8y = 258 ...eq(ii)\\x = 11, y = 13[/tex]

From the calculations above, the value of x and y are 11 and 13 respectively.

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