Find the value of x.
17
X-4

Answer:

53 mm

Step-by-step explanation:

Perimeter is the sum of the lengths of all its sides.

Let the length of the unknown side be x mm.

123= 25 +45 +x

x= 123 -25 -45

x= 53

Thus, the unknown side is 53 mm.

Answer:

3

Step-by-step explanation:

y/x=12/9=4/3

when y is 4 x is 3

Answer:

[tex]4^2[/tex]

Step-by-step explanation:

[tex]\dfrac{4^4 \cdot 4^3}{4^5}\\\\\\=\dfrac{4^{4+3}}{4^5}\\\\\\=\dfrac{4^{7}}{4^5}\\\\\\=4^{7-5}\\\\\\=4^2[/tex]

Answer:

4^2

Step-by-step explanation:

4^4*4^3=4^7

4^7/4^5=4^2

Considering the situation described, the hypothesis tested are given as follows:

At the null hypothesis, it is tested if the standard deviation is not less than $23, that is:

[tex]H_0: \sigma \geq 23[/tex]

At the alternative hypothesis, it is tested if there is significant evidence t conclude that the standard deviation is less than $23, that is:

[tex]H_1: \sigma < 23[/tex]

More can be learned about an hypothesis test at https://brainly.com/question/26454209

Answer:

last one

Step-by-step explanation:

Answer:

(-3,-2)

Step-by-step explanation:

(x,y)

Answer:

  6.4

Step-by-step explanation:

The hypotenuse of a right triangle can be found from the other two sides by making use of the Pythagorean theorem. It tells you the square of the hypotenuse is the sum of the squares of the other two sides:

  c² = 4² +5²

  c² = 16 +25 = 41

  c = √41 ≈ 6.4

The missing side length is about 6.4 units.

Answer:

B

Step-by-step explanation:

A: 27

C: 1

D: 2

B: -24

anytime you multiply two negative numbers it makes the product positive

In a meta analysis, the researcher combines the actual results of a number of studies.

Statistical study is used to obtain the data and examine this data in the way, that its effectiveness can be measured.

There are three main types of statistical study-

When the researcher combines the actual results of a number of studies, then this study is called the meta analysis.

Here, in this analysis, he consists of a set of statistical procedures that employ effect sizes to compare a given finding across many different studies.

Thus, In a meta analysis, the researcher combines the actual results of a number of studies.

Learn more about the type of statistical study here;

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Answer:

7.5 feet

Step-by-step explanation:

Hello there.

1. We know that the scale drawing is 0.75 inches long.

2. If 1 whole inch on the map is equivalent to 10 feet in real life, then how much feet in real life would be 0.75 inches on the map?

0.75 is equivalent or equals to 3/4 as a fraction.

Multiply 3/4 with 10 feet to get 7.5 feet.

Hope this helped!

- Angelo

Answer:

happy to explain

Step-by-step explanation:

Algebra is an area in mathematics that uses variables, in the forms of letters and symbols, to act as numbers or quantities in equations and formulas. Geometry is an area in mathematics that studies points, lines, varied-dimensional objects and shapes, surfaces, and solids

Answer:

Triangular prism

Step-by-step explanation:

Got it right on edge 2022 :)

The three-dimensional figure that has exactly three rectangular faces is a rectangular pyramid

The volume of a pyramid, is the product of the area of its base with the height of the pyramid, and divide by 3. We express this product with the formula V = ( 1/3) ×B×h, where B is the area of the base of the pyramid, and h is its height.

Volume of Pyramid = ( 1/3 )a²H

Given data ,

Let the pyramid be represented as A

Now , A rectangular prism has 6 faces, where each face is a rectangle.

A rectangular pyramid has 5 faces, where 4 faces are triangles and 1 face is a rectangle.

A triangular prism has 5 faces, where 2 faces are triangles and 3 faces are rectangles.

A triangular pyramid has 4 faces, where 3 faces are triangles and 1 face is a rectangle.

Hence , the only figure that has exactly three rectangular faces is a rectangular pyramid

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Answer:

P(vanilla cupcake)= 1/2

Step-by-step explanation:

Knowing that:

3 vanilla cupcakes

3 other cupcakes

Total = 6

To Find:

What is the experimental probability that the next cupcake sold will be a vanilla cupcake?

Write your answer as a fraction or whole number.

P(vanilla cupcake)=

Solve:

Experimental probability is expressed as:

(Favorable outcomes) / (Total outcomes)

The favorable outcome in this situation is vanilla cupcakes. There were 3 vanilla cupcake sold, so this is the numerator of our fraction.

To find the total outcomes we add 3 + 3, which equals 6. This will be the denominator of our fraction.

The fraction used to express experimental probability will be: 3/6

We can further simplify this to 1/2.

Thus:

P(vanilla cupcake)= 1/2 or 3/6

Kavinsky

Answer:

aaaaaaaaaaaaaaaaa

Step-by-step explanation:

Answer:

22, 68

Step-by-step explanation:

(Complementary means that the angles together equal 90 degrees)

x + x + 46 = 90

2x + 46 = 90

2x = 44

x = 22

22 + 46 = 68

Given that C varies directly as N, the value of Calories C when the number of ounces N is increased to the given value is 684 calories.

Proportional relationships are relationships between two variables where their ratios are equivalent.

Direct variation equation is a linear equation in two variables.

It is expressed as;

a ∝ b then a = kb

Where k is the proportionality constant.

Given the data in the question;

Since Calories C and Number of ounces N varies directly, we find their proportionality constant.

a ∝ b then a = kb

C = kN

380 calories = k × 20 ounces

k = 380 calories / 20 ounces

k = 19 calories/ounces

Now,we find C when N is 36 ounces.

C = kN

C = 19 calories/ounces × 36 ounces

C = 684 calories

Given that C varies directly as N, the value of Calories C when the number of ounces N is increased to the given value is 684 calories.

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Answer:

Use simultaneous equation for this problem

y= number of adults

x = number of children

3y + 2x = 160

y + x = 60

then we double the second equation

3y + 2x = 160

2y + 2x = 120

we cancel x by elimination

3y - 2y = 160 - 120

y = 40

Step-by-step explanation:

hope this helps

Answer:

D

Step-by-step explanation:

Answer:

D

Step-by-step explanation:

The product of the slope of the perpendicular lines are -1

y = -1/4x - 8

Slope = -1/4

D) y = 4x + 2

Slope = 4

[tex]4 * \dfrac{-1}{4}=-1[/tex]

Answer:

Step-by-step explanation:

Given

Solving

Answer:

f(3) = 6

Step-by-step explanation:

f(x)=2x^2 + x -5

f(3) = 2 (3)^2 + (3) - 5

f(3) = 8 + 3 - 5

f(3) = 11-5

f(3) = 6

Answer:

it is C

Step-by-step explanation:

got it right on edge

Answer:

1,582.6 in.3

Step-by-step explanation:

Step-by-step explanation:

2/3 X = 2x -24

now just solve for X.

2X = 8X - 72

-6x = -72

X = 12

Answer:

(5x+1)(x+7)

Step-by-step explanation:

4x^2+26x+6+x^2+10x

5x^2+36x+7

(5x+1)(x+7)

Prove

5x*x + 5x*7 + 1*x + 1*7

= 5x^2 + 35x + x + 7

= 5x^2 + 36x + 7

Answer:

The bottom left one

Step-by-step explanation:

They are the only graph that has one output for each x value

[tex] {10}^{2y} = 25[/tex]

[tex] {(10)}^{y2} = {5}^{2} [/tex]

[tex] {10}^{y} = 5[/tex]

[tex] \frac{1}{10 {y} } = \frac{1}{5} [/tex]

[tex] {10}^{ - y} = \frac{1}{5} [/tex]

answer= option e.

Answer:

B

Step-by-step explanation:

the y-coordinate of the vertex will be the max or min value of the quadratic function

hope this helps!

Answer:

4/41

Step-by-step explanation:

Answer: 5 1/4

Step-by-step explanation:

Answer:

90°

Step-by-step explanation:

The minutes hand is vertical pointing straight up.

The hours hand is horizontal pointing right.

The smaller angle between the hands is 90°.

Answer:

P' (- 3, 1 )

Step-by-step explanation:

the translation

(x, y ) → (x - 6, y + 5 )

means subtract 6 from the x- coordinate and add 5 to the y- coordinate, so

P (3, - 4 ) → P' (3 - 6, - 4 + 5 ) → P' (- 3, 1 )

the blue dot on the number of line is -11.3

Answer:

-11.3

Step-by-step explanation:

Each jump/line is 0.1

As we can see the blue dot is 3 lines from -11 and 2 lines from -11.5 so our answer will be -11 + -0.3 and -11.5 - (-0.2)

-11 + -0.3 = -11.3

-11.5 - (-0.2) = -11.5 + 0.2 = -11.3

Hope this helps and brainliest please

Answer:

x/x+3

Step-by-step explanation:

first off, we start by factorizing.

we start with the numerator  taking x out making it x (x-3) / x^2 - 9

then we factorize the denominator a bit more...making it x (x-3) /  (x-3) (x+3)

as you can tell there is a (x-3) on both sides. so we can cross them out.

x/x+3 is left. try it yourself again so you can understand other questions like this! I hope I could help!