Answer:
208°
Step-by-step explanation:
The angle measurements in the diagram are represented by the following expressions.
A = 8x+ 78°
B = 2x + 114
B=
Answer:
126
Step-by-step explanation:
Khan is never wrong :3
The price of a gallon of unleaded gas was 2.84 yesterday. Today, the price rose to 2.90 . Find the percentage increase. Round your answer to the nearest tenth of a percent.
As shown in the diagram below, the radius of a cone is 2.5 cm and its slant height is 6.5 cm
Answer:
multiple but if that dont work ion know what to tell you
error analysis: describe and correct the error in solving the equation.
1) the only solution of the equation x^2+6x+9=0 is x=9
Explain the algebra 5a - 9a - (-2a) =
Hello!
5a - 9a - (-2a) =
= 5a - 9a + 2a =
= -4a + 2a =
= -2a
Good luck! :)
A line that includes the point (1, 10) has a slope of 6. What is its equation in slope-intercept
form?
Answer:
y = 6x + 4Step-by-step explanation:
The point-slope form of the equation that describes the line with a slope of m and including the point (x₀, y₀) is: y - y₀ = m(x - x₀)
m = 6
(1, 10) ⇒ x₀ = 1, y₀ = 10
Therefore:
y - 10 = 6(x - 1) ← the point-slope form
y - 10 = 6x - 6 {add 10 to both sides}
y = 6x + 4 ← the slope-intercept form
Which proportion could be used to find the length of side b?
С
a
829
58°
А
8.4
B
sin 82
O A.
sin 58
8.4
sin 82
B.
sin 40
8.4
C.
sin 40
8.4
sin 58
b
sin 82
D.
sin 58
b
a
Answer:
B
Step-by-step explanation:
Solve for angle C,
180=58+82+x
x=40
m<C = 40
Using law of sines,
sin(40)/8.4 = sin(82)/b
In 2012 there were approximately 8950 public libraries in the United States. A survey found that 76% of those libraries offered free access to electronic books. Based on this information, how many public libraries offered free access to electronic books in 2012?
Answer:
6802 libraries
Step-by-step explanation:
8950 x 0.76
hope this helps
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Solve the equation Round your answer to the nearest hundredth
-43 = 21 + 4.43g
Answer:
g = -14.44
Step-by-step explanation:
(4 × 10 –10)(3 × 104)
Answer: 9360
Step-by-step explanation:
1) 10 (4 - 1) x ( 3 x 104 )
2) 10 (4-1) x 312
3) 10x3x312
=9360
Hope this helps!
Least Value {15, 12, 21, 18, 25, 11, 17, 19, 20}
Answer:
11
Step-by-step explanation:
The number with the last value in this data set is 11. All the other numbers are greater than it in terms of numerical value. Imagine if all the numbers were represented through pennies. 11 would have the least amount of pennies.
what is 7 plus 5 and i want you to say that 7 plus 5 equals
Answer:7+5=12
Step-by-step explanation:
Answer:
lol ok 7+5 = 12 you welcome I guess...
Step-by-step explanation:
help !! what's (2x-4) + -4
Answer: 2x-8
Step-by-step explanation:
A scientist mixes water (containing no salt) with a solution that contains 35% salt. She wants to obtain 105 ounces of a mixture that is 15% salt. How many ounces of water and how many ounces of the 35% salt solution should she use?
Answer:
60 oz of water to add
45 oz of 35% salt solution should be used
Step-by-step explanation:
Let x = amt no. ounces in the first solution
and 105 - x = amt no. of ounces in the second solution
Ist solution contains 0% salt
2nd solution contains .35(105 - x) salt
.15(105= amt of salt in mix
So.
amt of salt in 1st solution + amt of salt in 2nd solution = amt of salt in the mix
0 + .35(105 - x) = .15(105)
Let's get rid of the fractions by multipying thru the equation by 100
35(105 - x) = 15(105)
3675 - 35x = 1575
-35x = -2100
x = 60 oz of water to add
105 - 60 = 45 oz of 35% salt solution should be used
HELP PLZZZZ!!!!!!!!! will mark brainlest
Answer:
(7,-8)
Step-by-step explanation:
just count the x and y axis
Brillianst please!!!
The numerator of a fraction is 2 less than the denominator. A new fraction can be formed by adding 5 to the denominator and doubling the numerator. The product of the original fraction and the reciprocal of the new fraction is 1/4. What is the original fraction?
Answer:
[tex]\frac{6}{5}[/tex]
Step-by-step explanation:
let the denominator of the original fraction be x, then
[tex]\frac{x-2}{x}[/tex] ← original fraction
Then
[tex]\frac{2(x-2)}{x+5}[/tex] ← new fraction
The product of original and reciprocal of new is
[tex]\frac{x-2}{x}[/tex] × [tex]\frac{x+5}{2(x-2)}[/tex] ← cancel (x - 2)
= [tex]\frac{x+5}{2x}[/tex] = [tex]\frac{1}{4}[/tex] ( cross- multiply )
4(x + 5) = 2x
4x + 20 = 2x ( subtract 2x from both sides )
2x + 20 = 0 ( subtract 20 from both sides )
2x = - 20 ( divide both sides by 2 )
x = - 10
Then original fraction
[tex]\frac{x-2}{x}[/tex] = [tex]\frac{-12}{-10}[/tex] = [tex]\frac{6}{5}[/tex]
What two numbers can be multiplied to make -10 and added to make -3?
-5 x 2 = -10 , -3 x 1 = -3
Please help me as soon as possible, I'LL GIVE BRAINLIEST !
Answer: -10 also your welcome
Mary's clock uses 3/4 of the batteries in the package. There are 8
batteries in the pack. How many batteries does the clock need? *
Which one is the answer?
1. 2
2. 4
3. 8
4. 6
Which graph below represents exponential decay
Give your answer as a mixed number. 2 6/7 ÷ 2/3 =?
2 6/7 ÷ 2/3
= 20/7 ÷ 2/3
20/7 × 3/2
= 60/14
reduce to it's lowest term
30/7 = 4 2/7
Find the difference.-3.2 - (-4) *
1 point
7.2
-7.2
0.8
-0.8
Answer:
do you like harry styles
Step-by-step explanation:
pog champ
HELP PLEASE!!! Correct each of the following errors by circling the error, describing what is wrong, entering what should be there instead, and entering the correct answer.
1) (3x2)(-2x4) = 3(-2)x2•4 = 6x8
2) 4a2 • 3a5 = (4 + 3)a2 + 5 = 7a7
3) x6 • x • x3 = x6+3 = x9
4) 34 • 23 = 64+3
Answer:
1.) 3(-2) results in a negative 6 so it should be (-6)x8
2.) you have to take out a2 from it so it should look like a2(4+3a3)
3.) I don know if this is to the exponential but if it is, then it should look like x^(6+1+3)= x^10
Step-by-step explanation:
pay ITS TIVE
3. Bonolo ran a 10 km race. Her average speed was 6 km per
hour. How long did it take her in minutes to complete the race?
working days. .
Answer:
km per min
Step-by-step explanation:
6km ÷ 60 = 0.1
Bonolo ran 0.1 km per min
it takes 100 mins= 0.1×10
100 mins means 1 hour 40 min
Simplify the question above
Answer:
[tex]1 + \frac{3}{x} [/tex]
Step-by-step explanation:
1) Rewrite x² - 9 in the form a² - b² where, a = x and b = 3.
[tex] \frac{ {x}^{2} - {3}^{2} }{ {x}^{2} - 3x} [/tex]
2) use difference of squares: a² - b² = ( a + b ) (a - b).
[tex] \frac{(x + 3)(x - 3)}{ {x}^{2} - 3x} [/tex]
3) Factor out the common term x.
[tex] \frac{(x + 3)(x - 3)}{ x(x - 3)} [/tex]
4) Cancle out x - 3 .
[tex] \frac{x + 3}{x} [/tex]
5) Simplify.
[tex]1 + \frac{3}{x} [/tex]
Therefor, the answer is 1 + 3/x.
Answer:
1 + 3 ÷ x
Step-by-step explanation:
Just doing my streak. All credit goes to the person who answered first
(simplify the expression)
Answer:
1672
Step-by-step explanation:
The ratio of boys to girls at the valley high school is 3:2. The school has 900 students. How many boys are at the school?
Answer:
let the no. of boys be 3x and girls be 2x
And according to the question
2x+3x is equal to 900
Step-by-step explanation:
and solve this equation...
hope this helps..
Help its due around 10
Answer:
Pretty sure its B
Answer:
Answer: B
Step-by-step explanation:
Count the number of atoms of each element on each side. They must be equal.
Only B has equal numbers of atoms of each element on both sides of the equation.
B
left side: 1 C, 2 H, 1 O
right side: 1 C, 2 H, 1 O
7/52 as a mixed number
Answer:7
Step-by-step explanation:
Answer:
[see below]
Step-by-step explanation:
[tex]\frac{7}{52}[/tex] is a proper fraction. Therefore, it cannot be written as a mixed number.
If you meant [tex]\frac{52}{7}[/tex]:7 can go into 52 7 times with 3 'parts' remaining.
This means that 7 is the whole number and the fraction is 3/7.
[tex]\frac{52}{7}=7\frac{3}{7}[/tex]
Hope this helps.
A cyclist cycles a distance of 44 miles in a time of 4 hours.
What is her average speed?
Answer:
11 miles an hour
Step-by-step explanation:
44 miles divided by 4 hours would equal 11 miles in one hour, meaning her average speed would be 11 miles an hour
Answer:
The average speed is 11
Step-by-step explanation:
You would have 44 on top and 4 on the bottom(44/4)
then you would divide the 4 by four and the 44 by four to get 11 miles an hour.