please help.. I’ll give brainliest!

Answer:

122387478565275582528

Answer:

The answer is 18

Step-by-step explanation:

(x + 6) ÷ 2 = 12

Multiply both sides by 2 we get,

2 × (x + 6) ÷ 2 = 12 × 2

x + 6 = 24

Subtract 6 from both sides we get,

x + 6 - 6 = 24 - 6

x = 18

Thus, The value of x is 18

Answer:

x = 18

Step-by-step explanation:

Now we have to,

→ find the required value of x.

The equation is,

→ (x + 6)/2 = 12

Then the value of x will be,

→ (x + 6)/2 = 12

→ x + 6 = 12 × 2

→ x + 6 = 24

→ x = 24 - 6

→ [ x = 18 ]

Hence, the value of x is 18.

Answer:

300 + 12x ≥ 1500

where x represents the number of months William needs to save.

The range of the function is {-30, -14, 0, 12, 22}

From the question, we have the following parameters that can be used in our computation:

f(x) = 13x - x²

Then, we have the domain to be

{-2, -1, 0, 1, 2}

Substitute  {-2, -1, 0, 1, 2} for x in f(x) = 13x - x²

So, we have

f(-2) = 13(-2) - (-2)² = -30

f(-1) = 13(-1) - (-1)² = -14

f(0) = 13(0) - (0)² = 0

f(1) = 13(1) - (1)² = 12

f(2) = 13(2) - (2)² = 22

Hence, the range is {-30, -14, 0, 12, 22}

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Answer:

-2

-1

0

1

only this digit could satisfy your given function

Answer: 48$

Step-by-step explanation:

20% of 40$ is 8$ so its 48$

Answer:

what the other guy said, 48$

Step-by-step explanation:

Answer:

[tex]\huge\boxed{\sf x = -14}[/tex]

Step-by-step explanation:

4(x + 2) = 3(x - 2)

4x + 8 = 3x - 6

4x - 3x + 8 = -6

x + 8 = -6

x = -6 - 8

[tex]\rule[225]{225}{2}[/tex]

Answer:

d = 16

Step-by-step explanation:

x² + dx + 64

since x² and 64 are perfect squares, this is of the form

(x + 8)²

= (x + 8)(x + 8) ← expand using FOIL

= x² + 8x + 8x + 64

= x² + 16x + 64 ← in the form x² + dx + 64

with d = 16

The lengths of the sides of the triangle and the measures of the interior angles of the triangle found using the law of sines;

AB ≈ 49.4, AC = 26, BC = 26

m∠A = 64°, m∠B ≈ 31.3°, m∠C ≈ 84.7°

The law of sines states that the ratio of the length of a side of a triangle to the opposite angle to the specified side, is the same for the three sides and angles of a triangle.

The length of AB = c

The length of side BC = a = 45.0

The length of AC = b = 26

The measure of angle α = 64°

According to the law of sine, we get;

Plugging in the known values, we get;

45.0/(sin(65°) = 26/sin(β) = c/sin(γ)

sin(β) = 26 × sin(64°)/45.0

β = arcsin(26 × sin(64°)/45.0) ≈ 31.3°

m∠B = β ≈ 31.3°

According to the angle sum property of a triangle, we get;

α + β + γ = 180°

γ = 180° - (α + β)

Therefore; γ ≈ 180° - (64 + 31.3)° = 84.7°

m∠C = Angle γ ≈ 84.7°

45.0/(sin(65°) = c/sin(84.7°)

c = sin(84.7°) × 45.0/(sin(65°) ≈ 49.4

AB = c ≈ 49.4

The measure of the sides and angles of the triangle are;

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Considering the figure where PS is median bisecting ∠P.  ∠QPS is calculated to be 45 degree

A ray that divides an angle into two equal pieces is known as an angle bisector or the bisector of an angle.

In the given figure, PQ = PR hence ∠Q = ∠R isosceles triangle

∠Q + ∠R + ∠P = 180

45 + 45 + ∠P = 180

90 + ∠P = 180

∠P = 180 - 90

∠P = 90

PS is the angle bisector that divides ∠P which is angle 90 degrees, into two equal parts which are ∠QPS and ∠RPS, so that ∠QPS = ∠RPS

∠QPS + ∠RPS = 90 (adjacent angles)

∠QPS + ∠QPS = 90 (angle bisection)

2∠QPS = 90

∠QPS = 45

hence ∠QPS = 45 degrees

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The reasoning for the the ratios of AZ to ZB is 1, of AY to CY is 1, and of BX to CX is 1 is because of option C. Medians divide each side of the triangle in half.

Median is the line segment joining from a vertex of a triangle to the mid point of the opposite side to that vertex.

There are three medians for a triangle.

Median is a line segment from the vertex to the exact mid point of the opposite side.

So each median from a vertex make the opposite side into two equal parts. So each side has been divided into half and thus the ratio of the length of a side in terms of the mid point is same.

Hence the reasoning for the second step is due to that medians divide each side of the triangle in half.

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The astronaut is located at a distance of 2297.83 km from the Space Center

From the question, we have the following parameters that can be used in our computation:

Average height (h) = 400 km above the earth

Diameter (d) of the earth = 12,800 km

Because the astronaut on board the International Space Station sights along a tangent line to Earth,

The distance (x) between the astronaut and the Space Center can be calculated using the following secant theorem

x² = h * (h + d)

Substitute the known values in the above equation, so, we have the following representation

x² = 400 * (400 + 12800)

Evaluate the products

x² = 5280000

Take the square root of both sides

x = 2297.83

Hence, the distance is 2297.83 km

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Answer:

C) f(x) = 2x - 3

Step-by-step explanation:

When you multiply the x value by 2 and divide it by three, you get the number that is in the right column.

The required probability of Jackie planting a tulip followed by a hyacinth is 0.1684.

Probability is defined as the possibility of an event being equal to the ratio of the number of favorable outcomes and the total number of outcomes.

To determine the probability that Jackie plants a tulip followed by a hyacinth, we can use the formula for conditional probability:

P(tulip and hyacinth) = P(tulip) × P(hyacinth | tulip).

First, we'll find the probability of Jackie choosing a tulip on the first pick: P(tulip) = 8/30 (there are 8 tulips out of 30 total bulbs in the box).

Next, we'll find the probability of Jackie choosing a hyacinth on the second pick, given that she chose a tulip on the first pick:

P(hyacinth | tulip) = 12/29 (there are 12 hyacinths remaining out of 29 total bulbs remaining in the box).

Finally, we'll multiply these two probabilities together to find the overall probability:

P(tulip and hyacinth) = 8/30 × 12/29 = 16/95 = 0.1684.

So the required probability is 0.1684.

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Answer: yes

Step-by-step explanation:

The solution of the differential equation  (dP)/(dt) = sqrt(P(t)) with initial condition P(1) = 2 is P(t) = 0.74 exp(t)

To find the solution of a differential equation, take the integral of both sides, then apply the initial condition.

In the given problem:

dP/dt = sqrt (P(t))

dP/P(t) = dt

Take integral of both sides.

Recall that:

∫ 1/x dx = ln x + C

∫ dt = t + C

Hence,

1/P dP = dt

∫ 1/P dP = ∫ dt

ln P = t + C , with C = constant

P(t) = C . exp(t)  

Apply the initial condition:

P(1) = 2

C . exp(1) = 2

C = 2/exp(1) = 0.74

Hence, the solution is:

P(t) = 0.74 exp(t)

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[tex]~~~~~~ \textit{Simple Interest Earned Amount} \\\\ A=P(1+rt)\qquad \begin{cases} A=\textit{accumulated amount}\dotfill & \$ 500\\ P=\textit{original amount deposited}\\ r=rate\to 2.8\%\to \frac{2.8}{100}\dotfill &0.028\\ t=years\dotfill &4 \end{cases} \\\\\\ 500 = P[1+(0.028)(4)] \implies 500=1.112P\implies \cfrac{500}{1.112}=P\implies 449.64\approx P[/tex]

The required scoops of birdseed Ian will put in the feeder are 2.

The ratio can be defined as the proportion of the fraction of one quantity towards others. e.g.- water in milk.

Here,
Ian's bird feeder holds 1 1/2 cups of birdseed.
Ian is filling the bird feeder with a scoop that holds 3/4 of a cup.
So, the ratio of the cup to scoop gives the number of cups,
Number of scoops = 1 1/2 / [3/4]
                             = 3/2 × 4/3
                             = 2 scoops

Thus, the required scoops of birdseed Ian will put in the feeder are 2.

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The values of x in the figures are (13) 40⁰ (14) 130⁰ (15) 112⁰  (16) 23⁰  (17) 22⁰ (18) 120⁰

You should be knowledgeable with various types of angles for better understanding of the solutions

The solutions appear as follows

13) 43+57=100

=180-100=80 angle on a straight line

this means that 80/2= 40⁰

(14) 108-(80+50)

=180-130=50

x=180-50 = 130

(15) 180-44    angle on a straight line

= 136/2 68

68+44=112

(16) x=122-90   two opposite interior angles equals one exterior

x= 23⁰

(17) 103-x+2x=6x-7  (two opposite interior equals one exterior angle)

x-6x=-7-103

-5x=-110

Making x the subject of the relation we have

x= 110/5 = 22

(18) 60+60 = 120   angles of an equilateral triangle

x=120

In conclusion the various values of x are 40,130,112,23,22,120 respectively

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Answer:2304 is the answer

Step-by-step explanation:

Answer:

40

Step-by-step explanation:

Step-by-step explanation:

The sum of two interior angles in a triangle is equal to an exterior angle that is supplementary to the third interior angle:

4)

x = 21 + 34

x = 55

5)

100 = 51 + 2x + 3

100 = 2x + 54

46 = 2x

23 = x

6)

94 = 60 + 2x

34 = 2x

17 = x

The domain of the function is all values of x such that x ≥ 2.

A function is a relation from a set A to a set B where the elements in set A only maps to one and only one image in set B. No elements in set A has more than one image in set B.

Domain is the set of inputs which are the values of x.

The given expression is,

(x+3)^2/25 - (y-1)^2/4 = 1

(x+3)^2/25 - 1 = (y-1)^2/4

[tex](\frac{x+3}{5})^2 - 1=(\frac{y-1}{2})^2[/tex]

[tex]\sqrt{ (\frac{x+3}{5})^2 -1 }=\frac{y-1}{2}[/tex]

[tex]2\sqrt{ (\frac{x+3}{5})^2 -1 }+1=y[/tex]

The value of y is defined only when the value inside the root is non negative.

So [tex](\frac{x+3}{5})^2[/tex] ≥ 1

[tex]\frac{x+3}{5}[/tex] ≥ 1

x + 3 ≥ 5

x ≥ 2

Hence for all x ≥ 2, the function is defined.

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Answer:

The answers are A. and C.

Step-by-step explanation:

3/4-1/2=1/4

7/8-3/4=1/8

Answer:

x ≤ 1

Step-by-step explanation:

In the graph shown, the blue arrow is facing to the left, so we know that the inequality is some kind of less-than inequality (x < number).

We can also see that the blue arrow starts at a filled-in circle, so we know that the inequality will use the less-than-or-equal-to relator (≤).

Finally, the filled-in dot is at 1, so we can construct the equation:

x ≤ 1

Note that you could replace x with any other variable or even a blank space, since it isn't specified by the number line.

Answer:

17.5

Step-by-step explanation:

Angle EDF added up equals to 37.5

12+8=20

37.5-20=17.5, so the answer is 17.5, hope this helps :)

Answer:

BC = 5

Step-by-step explanation:

since the triangles are similar then the ratios of corresponding sides are in proportion , that is

[tex]\frac{BC}{DF}[/tex] = [tex]\frac{AC}{EF}[/tex] ( substitute values )

[tex]\frac{BC}{7.5}[/tex] = [tex]\frac{8}{12}[/tex] ( cross- multiply )

12 BC = 60 ( divide both sides by 12 )

BC = 5

Answer:

A) 90 muffins were baked Monday

B) 24 blue berry muffins were made Tuesday.

Step-by-step explanation:

A

40% for what number is 36

.4x = 36  Divide both sides by .4

x = 90

B

40% of 60 is what number?

.4 x 60 = 24

The solution to the quadratic equation is x=5 and x = -5. Hence option C is the correct option.

What is a quadratic equation?

A quadratic equation is any equation in algebra that can be rearranged in a standard form where x represents an unknown value and a, b, and c represent known numbers, with a ≠ 0.

Given equation is

16x²-400=0

To solve the quadratic equation, equate the left side expression with y and graph it. The x-intercepts are the solution of the equation.

The equation becomes y = 16x²-400

Draw the graph.

The x-intercepts are x=5 and x = -5.

Divide the given equation by 16:

x²-25=0

To solve the quadratic equation, equate the left side expression with y and graph it. The x-intercepts are the solution of the equation.

The equation becomes y = x²-25

Draw the graph.

The x-intercepts are x=5 and x = -5.

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Based on the ratio, if all the problems on the test were worth the same number of points and the student correctly answered 46 with a grade of 92%, there were 50 questions.

The ratio refers to the relative value of a number, weight, or expression to another.

Ratios are expressed as the quotient of one value to another number.

Similarly, proportions are ratios equated to one another.

In this situation, we can equate the correct answers to the ratio of the grade obtained as follows:

If 46 problems answered correctly received a grade of 92%, the number of questions on the test would be 50 (46/92%).

Check: 46/50 x 100 = 92%

Thus, we can conclude that there were 50 questions for which the student answered 46 correctly to receive a 92% grade.

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Answer:

c

Step-by-step explanation: