Answers
Answer:78.4
Step-by-step explanation:
(74+44+74+100+98+86+72+76+66+94)/10 = 78.4
Related Questions
It Is generally believed that electrical problems affect about 14% of new cars. An automobile mechanic conducts diagnostic tests on 128 new cars on the lot. A. Describe the sampling distribution for the sample proportion by naming the model and telling its mean and standard deviation. Justify Your Answer. B. Sketch and clearly label the model. C. What is the probability that in this group over 18% of the new cars will be found to have electrical problems?
Answers
Answer:
hla amgx q tal están queriendo q te ayude yo sé cómo te puedo ayudar para q te saques buenas notas
Step-by-step explanation:
primero me das la corona y te lo digo sii
What is the decimal value of x in the equation 7x − 2 = 5x + 3?
Answers
Answer:
x= 2.5
Step-by-step explanation:
7x-5x = 2x
2x-2 = 3
3 + 2 = 5
2x=5
5/2 = 2.5
Answer: 5/2 or 2.5
Step-by-step explanation:
So first you add 2 to -2( crossing it out) and add 2 to 3. Then you simplify giving you the equation of 7x=5x+5.
Then subtract 5x from 7x and 5 giving you the equation of 2x=5.
Ounce done divide your equation by 2, giving you the answer if 5/2 or 2.5.
Find the slope between (8, 3) and (-5, 3)
Answers
Answer:
slope=0 (horizontal line)
Step-by-step explanation:
A way to remember this is if you went skiing on a horizontal line you would have 0 fun.
= 0
Explanation:
Given point: (8,3) and (-5,3)
To find the slope:
Slope: y1-y2/x1-x2
So, 3-3/8-(-5) = 0
How can 20 × 15 help you find 19 × 15?
Answers
Answer:
Step-by-step explanation:
You find the answer of 20 x 15 and subtract 15.
Answer:You find the answer of 20 x 15 and subtract 15.
Step-by-step explanation:
17 tens in standard form add
Answers
-it can also be said as 1 hundred, 7 tens, and 0 ones to make it easier
I need the answer for 'j" 2j + 5 = 3 + 2j + 2
Answers
Answer:
15gm
Step-by-step explanation:
because 5x3 is 15
5.03)
Factor x2 - 4x + 5. (4 points)
Answers
Answer:
(x + 5) (x - 1)
I want to know this question
Answers
John can clean pools at a constant rate of 3/5 pools/hour. How many pools can John clean in 10 hours?
Answers
Answer:
6
Step-by-step explanation:
3/5*10
Why can any two opposite faces of a rectangular prism be called the bases
Answers
Answer:
Step-by-step explanation:
The properties of prisms are similar for every kind of prism with each one defined by the shape that makes up the base of the prism. Any polygon can be the base of a prism.
A rectangular prism is a three-dimensional solid with several properties relating to its shape, volume and surface area. Rectangular prisms, in particular, are one of the most fundamental and common shapes in three-dimensional geometry and are also used in fields such as carpentry and graphic design.
Prism: Math Definition
A prism is a type of three dimensional polyhedron. It has two "bases" that are parallel to each other. These bases are the same type of polygon. The other faces (aka the "sides") of the prism are parallelograms (this is true no matter what shape the bases are).
Hope this helps ✌️
Any two opposite faces of a rectangular prism be called the bases because rectangular prism is formed with 6 pairs of parallel faces.
What is a rectangular prism?A three-dimensional solid form with six faces, including rectangular bases, is called a rectangular prism. A rectangular prism also refers to a cuboid. A cuboid and a rectangular prism have the same cross-section.
One of the three-dimensional shapes that can be created with six pairs of parallel faces is a rectangular prism. Three-dimensional shapes in this category include cubes and cuboids. Prisms come in a variety of forms depending on the base.
Hence, any two opposite faces of a rectangular prism be called the bases because rectangular prism is formed with 6 pairs of parallel faces.
To learn more about the rectangular prism visit:
https://brainly.com/question/27812749.
#SPJ2
On the last day of vacation, the Ramirez family drove 252 miles from a state park to its home. The drive covered 35% of the total distance the family traveled during its vacation. What is the total distance the Ramirez family traveled during its vacation?
Answers
Answer:
Step-by-step explanation:
35 percent of total miles traveled (say T)is 252 miles.
(35/100) * T=252
T=(252*100)/35 => T=720 miles
So total distance the Ramirez family traveled during its vacation is 720 miles
Answer:
720 miles
Step-by-step explanation:
8th GRADE MATH #7 On its first visit to the vet, Emma’s Kitten weighed 30 ounces. On its second visit, the kitten had gained 8 ounces. On its third visit, the kitten had gained another 6 ounces. What is the percent increase, rounded to the nearest percent, of the kitten’s weight since its first visit? *
Answers
Answer:
14.6 % increase
Step-by-step explanation:
44 divided by 30 = 1.46
To decimal = 14.6 percent
I think
62x(70+8) in word form
Answers
Answer: sixty-two x times in parentheses seventy plus eight
Which of the h values are solutions to the following equation? h^2=.36
Answers
Answer:
h=0.6, -0.6
Step-by-step explanation:
take the root of both sides and solve
Write the expression below as a product of two factors.
6 + 8 + 4
Answers
Answer: Factor out the GCF of 6, 8, and 4: 2
2(3m + 4n + 2)
1. Which of the following is the standard form of y = (x – 3)(x – 7)?
a. y = (x + 5)2 – 21
b. y = (x - 5)² - 4
c. y = (x + 5)2 - 4
d. y = (x – 5)2 + 28
A
B
Answers
9514 1404 393
Answer:
b. y = (x - 5)² - 4
Step-by-step explanation:
Here, we take "standard form" to mean "vertex form."
In the US, "standard form" would be ...
y = x² -10x +21
Vertex form is ...
y = (x -5)² -4 . . . . matches B
Plz help. Write the slope intercept form of the equation.
Answers
Answer:
y = - 1.5x - 5 or y = - 3/2x - 5
Step-by-step explanation:
Step 1:
y = mx + b Slope Intercept Form
Step 2:
1 = - 3/2 ( - 4 ) + b Equation
Step 3:
1 = 6 + b Multiply
Step 4:
b = - 5 Subtract 6 on both sides
Answer:
y = - 1.5x - 5
Hope This Helps :)
How do you solve 9 7/8 divided by 5 2/3? Explain how you used math to determine your answer.
Answers
Answer:
Change the mixed fractions to improper fractionsFor any fraction in the form [tex]A\frac{b}{c}[/tex] is equal to [tex]\frac{(A*b)+c}{b}[/tex] so the fractions are [tex]\frac{79}{8}[/tex] and [tex]\frac{17}{3}[/tex] Then in order to divide, change the fraction on the right by flipping it, and then multiply everything [tex]\frac{79}{8} \div\frac{17}{3}=\\\frac{79}{8} \times\frac{3}{17} =\frac{1343}{24}[/tex]Solve the system:
5x+2y = 3
2x + 3y = -1
Answers
Answer:
x= 1 y= -1
Step-by-step explanation:
Pick an equation to isloate x or y
5x+2y=3 becomes x=-2y+3/5
Subsitute that into second equation : 2(-2y+3y/5) + 3y=-1
Example and simplify.
Do the same to find x variable
Need help with this.
Answers
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Let t as y² + 5y .
[tex] {y}^{2} + 5y = t[/tex]
Rewrite the equation :
[tex]t - \frac{36}{t} = 0 \\ [/tex]
Multiply sides by t
[tex]t \times (t - \frac{36}{t} ) = t \times 0 \\ [/tex]
[tex] {t}^{2} - 36 = 0[/tex]
Add sides 36
[tex] {t}^{2} - 36 + 36 = 0 + 36[/tex]
[tex] {t}^{2} = 36[/tex]
[tex]t = ± \: 6[/tex]
_________________________________
So :
[tex] {y}^{2} + 5y = 6[/tex]
Subtract sides 6
[tex] {y}^{2} + 5y - 6 = 6 - 6[/tex]
[tex] {y}^{2} + 5y - 6 = 0[/tex]
[tex](y + 6)(y - 1) = 0[/tex]
[tex]y = - 6 \: \: or \: \: y = 1[/tex]
##############################
[tex] {y}^{2} +5y = - 6[/tex]
[tex]No \: \: solution[/tex]
_________________________________
Thus (( y = 1 )) and (( y = - 6 )) are the roots of the equation .
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If you multiply or divide both sides of an inequality by a negative number, you must __________ the inequality sign.
Answers
Answer:
Step-by-step explanation:
flip
+ 14. "-4 less than a number is 17."
Answers
Answer:
-4 < x = 17
Step-by-step explanation:
-4 less than a number is 17
less than = <
a number = unknown # ( x )
is = equal sign ( = )
Put all of it together and "BAM" there's your answer!
Unit rate for 2.88 for 12 ounces
Answers
Answer:
0.24 per ounce
Step-by-step explanation:
Pat needs to determine the height of a tree before cutting it down to be sure that it will not fall on a nearby fence. The angle of elevation of the tree from one position on a flat path from the tree is H=60°, and from a second position L=20 feet farther along this path it is B=50° What is the height of the tree?
Answers
Answer: 44.11 feets
Step-by-step explanation:
Using Pythagoras :
tan θ = opposite / Adjacent
Tan 60° = h / x
h = x tan 60 - - - (1)
tan 50° = h / (x + 20)
h = (x + 20) tan 50 - - - (2)
Equate (1) and (2)
x tan60 = (x + 20) tan 50
1.73205x = (x + 20) 1.19175
1.73205x = 1.19175x + 23.835
1.73205x - 1.19175x = 23.835
0.5403x = 23.835
x = 23.835 / 0.5403
x = 44.114380
Hence, height = 44.11 feets
When I divide my number by 8 and are my number I get 90. What is my number?
Answers
Answer:
720
Step-by-step explanation:
90x8=720
720/8=90
HOPE THIS HELPS BROSKI~
If x + y = 13 and y = 2, then which of the following is true according to the
substitution property?
A) 2 + y = 13
B) x = 13 - y
NICy = 13 - x
OD) x + 2 = 13
Answers
Answer:
OD) x+2=13
Step-by-step explanation:
you would plug in the y substitute which would be 2, making the equation x+2=13
:) hope this helps lol
Answer:
X+2=13
Step-by-step explanation:
We know that x+y=13 when added. We also know that y=2. To find X we can add X to 2 to get 13. X=11
The angle bisectors of triangle XYZ meet at point P. What is PJ?
Answers
=======================================================
Explanation:
Segment PJ is perpendicular to segment YZ
So triangle PJZ is a right triangle with the known leg ZJ = 12, unknown leg PJ = x, and known hypotenuse PZ = 20.
Let's say a = 12, b = x, c = 20.
Use the Pythagorean theorem to find x
a^2 + b^2 = c^2
12^2 + x^2 = 20^2
144 + x^2 = 400
x^2 = 400-144
x^2 = 256
x = sqrt(256)
x = 16
Therefore segment PJ is 16 units long.
Side note: the angle bisectors won't always form 90 degree angles with the opposite sides. These angle bisectors are also altitude lines because of the 90 degree angles that form.
Find the cosine of R.
Write your answer in simplified, rationalized form. Do not round.
cos(R) =
Answers
Answer:
[tex] cos(R) = \frac{\sqrt{15}}{5} [/tex]
Step-by-step explanation:
To find the cosine of <R, apply the following trigonometric ratio formula:
[tex] cos(R) = \frac{adjacent}{hypotenuse} [/tex]
Adjacent = 3
Hypotenuse = √15
Plug in the values into the formula
[tex] cos(R) = \frac{3}{\sqrt{15}} [/tex]
Multiply the numerator and denominator by √15 to rationalize.
[tex] cos(R) = \frac{3 \times \sqrt{15}}{\sqrt{15} \times \sqrt{15}} [/tex]
[tex] cos(R) = \frac{3\sqrt{15}}{(\sqrt{15})^2} [/tex]
[tex] cos(R) = \frac{3\sqrt{15}}{15} [/tex]
[tex] cos(R) = \frac{\sqrt{15}}{5} [/tex]
Find the slope between (-12, 16) and (-4, -2)
Answers
Answer:
x=-9/4
Step-by-step explanation:
If these two shapes are similar, what is the measure of the missing length g?