help. this math is on a harder level.

Answer: y=4x+5

Step-by-step explanation:

Answer:

61%

Step-by-step explanation:

Area of square:

=a²

=12²

=144

Area of two quarter circles:

=2(¼×π×r²)

=2(¼×π×6²)

=2×28.72

=56.55

Finding the percentage:

=(56. 55÷144)×100

=0.3937×100

=39.27

subtract 100% by 39.27% to find the percentage of how much is shaded

=100-39.27

=60.73

=61 (rounded off to the nearest whole percent)

Answer:

0.62 cents per pound

Step-by-step explanation:

2.48/4

to find price per pound which is the unit price

2.48/4=0.62

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The probability of rolling an odd number the first time and a number greater than 3 the second time is 1/4

The probability of rolling an odd number on a single die is 3/6 or 1/2, since there are three odd numbers (1, 3, and 5) out of six possible outcomes.

The probability of rolling a number greater than 3 on a single die is 3/6 or 1/2, since there are three numbers greater than 3 (4, 5, and 6) out of six possible outcomes.

To find the probability of both events happening together (rolling an odd number first and a number greater than 3 second), we need to multiply their individual probabilities:

P(odd number first and number > 3 second) = P(odd number first) * P(number > 3 second)

P(odd number first and number > 3 second) = (1/2) * (1/2) = 1/4

Therefore, the probability is 1/4.

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The value of the integral ∫∫R 2xy^2 dA over the given region R is 64/3.

To evaluate the integral ∫∫R 2xy^2 dA over the region R given by 0 ≤ x ≤ 1 and 0 ≤ y ≤ 4, we integrate with respect to x first, and then with respect to y:

∫∫R 2xy^2 dA = ∫[0,4] ∫[0,1] 2xy^2 dx dy

Integrating with respect to x, we get:

∫[0,4] ∫[0,1] 2xy^2 dx dy = ∫[0,4] (y^2) [x^2]0^1 dy

Simplifying the expression inside the integral, we get:

∫[0,4] (y^2) [x^2]0^1 dy = ∫[0,4] y^2 dy

Integrating with respect to y, we get:

∫[0,4] y^2 dy = [y^3/3]0^4

Substituting the limits of integration and simplifying, we get:

[y^3/3]0^4 = (4^3/3) - (0^3/3) = 64/3

Therefore, the value of the integral ∫∫R 2xy^2 dA over the given region R is 64/3.

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Answer:

x = 138° because they are alternate interior angles. Alternate interior angles are congruent.

Step-by-step explanation:

Answer:

C

Step-by-step explanation:

Answer:

7

Step-by-step explanation:

4-(-3)=

4+3=

7

Answer:

7

Step-by-step explanation: take the absolute value of both numbers and add them together so -3 becomes 3 and 4 stays the same they add up to 7.

Answer:

c. 56 degrees

Step-by-step explanation:

angle FEG and angle DEG add up to 180.

2x-6+3x-31=180

x=31

2(31)-6=56

The measure of angle ∠ FEG is,

∠ FEG = 56°

We have to given that,

Angles are defined as,

∠ FEG = (2x - 6)°

∠ DEG = (3x + 31)°

Here, Angles FEG and angle DEG are linear pair.

Hence, angle FEG and angle DEG add up to 180.

2x - 6 + 3x + 31 = 180

5x + 25 = 180

5x = 180 - 25

5x = 155

x = 155 / 5

x = 31

Therefore, The measure of angle ∠ FEG is,

∠ FEG = (2x - 6)°

∠ FEG = (2 × 31 - 6)°

∠ FEG = (62 - 6)°

∠ FEG = 56°

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Answer:

option B

Step-by-step explanation:

Answer:

the answer is d (the last one).

pq= -10 x 4= -40 (lowest value)

p-q= -10 - 4= -14 (middle value)

p+q= -10 + 4= -6 ( highest value)

Answer:

C

Step-by-step explanation:

I just took the test

Answer:

50/77

Step-by-step explanation:

(1÷2 3/4)+(1÷3 1/2)

2 3/4 is same as 11/44

1/2 is same as 7/2

so to divide fraction you have to flip the second number and multiply

so 1 times 4/11=4/11

and 1 times 2/7=2/7

4/11 +2/7=28/77+22/77=50/77

Answer:

I got 4/3 and 5/6

Step-by-step explanation:

4/3 is 2 batches of muffins and 5/6 is the 1/2 of batch of muffins

9514 1404 393

Answer:

  even integers differ by 2, consecutive integers differ by 1

Step-by-step explanation:

Often problems involving consecutive integers use a variable (x) to represent the least of them. In that situation, ...

   consecutive integers are x, x+1, x+2

   consecutive even (or odd) integers are x, x+2, x+4.

__

I often find it convenient to use the variable to represent the middle of the three integers. In that case, the representations are ...

  consecutive integers: x-1, x, x+1

  consecutive even (or odd) integers: x-2, x, x+2.

_____

In somewhat rare cases, you need to ensure that the integers are even, not odd, so the representation can be ...

  consecutive even integers: 2n, 2n+2, 2n+4 . . . . where n is any integer

Answer:

\(\huge\mathtt{{\colorbox{silver}{ANSWER~~~↴}}}\)

ꜰɪʀꜱᴛ ᴡᴇ ᴡʀɪᴛᴇ ᴛʜᴇ ɢɪᴠᴇɴ↴

⇒WIDTH = Y cm

⇒LENGTH =( y+2 )cm

⇒PERIMETER = 32cm

▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃

solution ↴

perimeter of rectangle = 2 ( length + width)

\(32cm = 2( (y +2) +y )cm \\ \frac{32}{2} cm = 2y + 2cm \\ 16cm = 2y - 2cm \\ 16 cm- 2 cm=2y\\ 14cm = 2y \\ y = \frac{14cm}{2} \\ y = 7cm

\)

☛ so the width of the rectangle is 7cm

so we all done :D

▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃

Volume is the amount of space in an object. The fraction occupied by the cube is: \(\frac{r\sqrt2}{\pi(r + 2)}\)

First, we calculate the volume of the cube.

\(Volume = Length^3\)

From the figure, we have:

\(Length = r\sqrt 2\)

So:

\(V_1 = (r\sqrt2)^3\)

\(V_1 = (2\sqrt2)r^3\)

Next, the volume of the cylinder

\(Volume=\pi r^2h\)

So, we have:

\(V_2 = \pi r^2 (2r + 4)\)

The fraction (n) occupied by the cube is:

\(n = \frac{V_1}{V_2}\)

So, we have:

\(n = \frac{(2\sqrt2)r^3}{\pi r^2(2r + 4)}\)

Factor out 2 in the denominator

\(n = \frac{(2\sqrt2)r^3}{2\pi r^2(r + 2)}\)

Cancel out common terms

\(n = \frac{r\sqrt2}{\pi(r + 2)}\)

Hence, the fraction occupied by the cube is: \(\frac{r\sqrt2}{\pi(r + 2)}\)

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Answer:

PQ = 1

PR = RQ

PR = RQ = 2.3

Step-by-step explanation:

PR = RQ

The marks on sides PR and RQ means that the two sides are congruent and thus, they're equal.

Therefore, we can find x by setting the expression representing side PR (3x - 0.4) equal to the expression representing side RQ (x + 1.4):

3x - 0.4 = x + 1.4

3x = x + 1.8

2x = 1.8

x = 0.9

PQ = 1:

We can see that PQ = 1 by plugging in 0.9 for x in the expression representing side PQ:

PQ = 0.9 + 0.1

PQ = 1

PR = RQ = 2.3

We can see that both PR and RQ = 2.3 by plugging in 0.9 for x in the two expressions representing PR and RQ:

PR = 3(0.9) - 0.4

PR = 2.7 - 0.4

PR = 2.4

RQ = 0.9 + 1.4

RQ =2.3

Answer:

I think this is the answer

Answer:

≈ 49.9° and ≈ 71.0°

Step-by-step explanation:

Using the sine ratio in the right triangle

sin? = \(\frac{opposite}{hypotenuse}\) = \(\frac{13}{17}\) , then

? = \(sin^{-1}\) (\(\frac{13}{17}\) ) ≈ 49.9° ( to the nearest tenth )

----------------------------------------------------------------

Using the cosine ratio in the right triangle

cos? = \(\frac{adjacent}{hypotenuse}\) = \(\frac{14}{43}\) , then

? = \(cos^{-1}\) (\(\frac{14}{43}\) ) ≈ 71.0° ( to the nearest tenth )

Write the problem as an equation:

5n <65

Solve for n by dividing both sides by 5:

n <13

Because the inequality does not contain an equal sign, n (13) is not included in the answer so there would be an open circle on the number 13

The correct answer would be A.

The possible values of the solutions to the inequality 5x + 5 ≥ −9 are: I, II, and III.

To find the possible values of the solution to a given inequality, solve the inequality given using the properties of equality to isolate the variable.

Given the inequality:

5x + 5 ≥ −9

Subtract 5 from both sides:

5x + 5 - 5 ≥ −9 - 5 [subtraction property of inequality]

5x ≥ -14

Divide both sides by 5

5x/5 ≥ -14/5

x ≥ -2.8

This means that all the possible values of x are greater than or equal to -2.8.

1, 4, and 6 are greater than -2.8, therefore, the values of the solutions are: I, II, and III.

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Answer:

Step-by-step explanation:

p and q vary inversely:

If p = 26, q = 9, find k:

The equation is:

When p = 18, q is:

In a nonexperimental method, relationships between variables are studied by making observations or measures of the variables of interest.

Research without either the manipulation of an independent variable, the random assignment of individuals to conditions or orders of conditions, or both, is referred to as non-experimental research.

The non-experimental study is entirely dependent on variables that the researcher has no control over. By whatever means, they cannot manipulate, control, or change the subjects. Thus, all they can do is continue their research while monitoring and interpreting their subjects.

It is safe to assume that a non-experimental research design is used when there is no specific cause-effect study problem and the researcher simply wants to grasp a topic in depth without constraining it with variables. They examine the natural phenomena as they take place.

Therefore, in a nonexperimental method, relationships between variables are studied by observing or measuring the variables of interest.

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\(\qquad\qquad\huge\underline{{\sf Answer}}\)

Let's solve ~

\(\qquad \sf  \dashrightarrow \: log_{5}(2x) = 4\)

\(\qquad \sf  \dashrightarrow \: 2x= {5}^{4} \)

\(\qquad \sf  \dashrightarrow \: 2x= 625\)

\(\qquad \sf  \dashrightarrow \: x= 625 \div 2\)

\(\qquad \sf  \dashrightarrow \:x = 312.5\)

I Hope you understood the procedure ~

Answer:

112 degrees

Step-by-step explanation:

This is a quadrilateral, meaning 4 sides. The sum of the angles of a quadrilateral is 360 degrees. You are given the right angle, or 90 degrees, and the 46 degree angle at the bottom. Since the two lines on either side of the 46 degree angle represent parallelism, angles 1 and 2 are the same.

360 - (90+46) = 224.

224 / 2 = 112.

Answer:

\(m∠1 = 112\)

Step-by-step explanation:

\(m∠1 = m∠2\)

\(m∠1 + m∠2 + 90 + 46 = 360\)

\(m∠1 +m ∠2 + 136 = 360\)

\(m∠1 + m∠2 = 360 - 136\)

\(m∠1 + m∠2 = 224\)

\(m∠1 = \frac{224}{2} \)

\(m∠1 = 112\)

\(m∠2 = \frac{224}{2} \)

\(m∠2 =112\)

Answer:

h(0) = 10

h(4) = 16

Step-by-step explanation:

h(0) = 2(0)² - 3(0) + 10 = 10

h(4) = 2^4 = 16

Answer:

velosity= distance ÷ time

Step-by-step explanation:

\(3 \times \frac{2}{5} \div \frac{2}{3} = \\ \frac{17}{5} \times \frac{3}{2} = \frac{51}{10} = 5.1\)

Answer:y=negative 1 over 3x +2

Step-by-step explanation:

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Step-by-step explanation: the guy above me is correct

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y = negative 1 over 3x + 2

In the XY plane, the circles with equations (x-3) + y = 11 and (x+2) + y = r are externally tangent. the value of r is -6.

Generally, To find the value of r, we can start by solving for the centers and radii of the two circles.

The equation of the first circle is of the form (x - h)² + (y - k)² = r², where (h, k) is the center of the circle and r is the radius. We can rewrite the equation of the first circle as (x - 3)² + y² = 11², so the center of the circle is (3, 0) and the radius is 11.

The equation of the second circle is also of the form (x - h)₂ + (y - k)₂ = r². We can rewrite the equation of the second circle as (x + 2)² + y² = r², so the center of the circle is (-2, 0) and the radius is r.

Since the two circles are externally tangent, the distance between their centers is equal to the sum of their radii. Therefore, the distance between the centers is equal to 11 + r. We can use the distance formula to find the distance between the centers:

distance = √((h₂ - h₁)^2 + (k₂ - k₁)²)

Plugging in the coordinates of the centers, we get:

distance = √((-2 - 3)^2 + (0 - 0)^2) = √(5^2 + 0^2) = √(25) = 5

Since the distance between the centers is equal to the sum of the radii, we can set up the equation:

5 = 11 + r

Solving for r, we get:

r = 5 - 11 = -6

Therefore, the value of r is -6.

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