Answer:
second option
Step-by-step explanation:
Using the rule of exponents/ radicals
[tex]a^{\frac{m}{n} }[/tex] ⇔ [tex]\sqrt[n]{a^{m} }[/tex], then
[tex]80^{\frac{x}{4} }[/tex]
= [tex]\sqrt[4]{80^{x} }[/tex]
2. Ana's family marked down the rugs from P25 to P20 each. What was the
rate of discount?
Answer:
20%
Step-by-step explanation:
Discount = (new price - initial price) / initial price
= (20 - 25) / 25 = -5 = -0.2 = -20%
Does anyone know how to do that?
I'll give you a brainlest.
Please!
Answer:
W = 50°
w+ z+ 42°= 180° ( sum of interior angle of triangle is 180°)
w+ 88°+ 42°= 180°
w= 180°-130°
w= 50°
X=130°
w+x = 180° (linear pair)
50°+x= 180°
x=180°-50°
x= 130°
Y=42°
A= y (Alternate interior angle)
42°= y
Z=88°
Z= C (alternate interior angle)
Z= 88°
find the total cost. $50 item; $10 coupon off; 10% sales tax
Answer: 44 dollars
Step-by-step explanation:
i know the value of x is congruent to the other side, confused about the square root part
Answer:
I think it is that I'm not sure[tex]10 \sqrt{3} [/tex]
question 6 !!!!!! Pick the right answer
Answer:
im going to say b if im wrong sorry
Step-by-step explanation:
Help me please!!!!!!!
Answer:
Step-by-step explanation:
3x(-2x - 3)
-6x^2 - 9x
answer is C
A store offers 20% off all items. Let x represent the original purchase price.
Answer:
what are we soposed to do?
Step-by-step explanation:
(3,-14) and (-4,14) write an equation of the line passing through the given points
Answer:
y=-4x-2
Step-by-step explanation:
With the equation provided, you can plug in the 3 or -4 into the x-value, and will get the corresponding y-value.
Hope this helps!
2x+8(x+3) = 3(x-13)
please show the work, i’ll mark brainliest
Answer:
x = -9
Step-by-step explanation:
2x + 8( x + 3 ) = 3( x - 13 )
Dstribute;
2x + 8 ( x + 3 ) = 3 ( x - 13 )
2x + ((8)(x)) + ((8)(3)) = ((3)(x)) - ((13)(3))
2x + 8x + 24 = 3x - 39
Combine like terms;
2x + 8x + 24 = 3x - 39
10x + 24 = 3x - 39
Inverse operations;
10x + 24 = 3x - 39
-3x -3x
7x + 24 = -39
-24 -24
7x = - 63
/7 /7
x = -9
Please help!!
Raymond planted a vegetable garden containing 50 plants. There were 15 tomato plants, 10 green bean plants, 5 pepper plants, 12 zucchini plants, and 8 cucumber plants.
Use the percent that you find and multiply each times 360° to find the number of degrees for each sector of the circle graph based on this data.
108* tomato
72*green bean plants
36*pepper
86.4*zucchini
57.6*cucumber
Ivan will rent a car for the weekend. He can choose one of two plans. The first plan has no initial fee, but costs $0.90 per mile driven. The second plan has an initial fee of $75 and costs an additional $0.70 per mile driven. How many miles would Ivan need to drive for the two plans to cost the same?
Answer:
$337.50
Step-by-step explanation:
The computation of the number of miles need to drive for determining the same cost is given below:
Let us assume the miles be x
So for the first plan, the equation is
= $0.90x
And for the second plan, the equation is
= $75 + $0.70x
Now equate this
0.90x = $75 + 0.70x
0.90x - 0.70x = $75
0.20x = $75
x = $75 ÷ 0.20
= 375 miles
Now the same cost would be
For plan A and plan B
0.90x = $75 + 0.70x
0.90(375) = $75 + 0.70(375)
$337.5 = $75 + $262.50
$337.50 = $337.50
Leslie bought 6.74 kilograms of apples and 5.2 kilograms of oranges. How much fruit did she buy in all?
Answer:
11.94
Step-by-step explanation:
In this problem you just need to add 6.74 with 5.2.
6.74 + 5.2 = 11.94
Larry wants to purchase birthday gifts for his twin sisters. One sister likes daises which costs $2.00 per stem and the other likes tulips which costs $3.00 per stem. Which inequality could he use to determine how many of each flower he could buy if he only has $35.00 to spend? Let x represent the number of daisies and y the number of tulips. Group of answer choices
Answer: 2x + 3y = 35
Step-by-step explanation:
Let x = number of daisies
Let y = number of tulips
Since one sister likes daises which costs $2.00 per stem and the other likes tulips which costs $3.00 per stem, the inequality that could be use to determine how many of each flower he could buy if he only has $35.00 to spend will be:
2x + 3y = 35
Josie surveyed her classmates. She found 8 students who walk, 30 students who ride the bus to school, 9 who ride bikes, and 3 who ride in cars. What is the experimental probability that the next student Josie surveys will walk to school?
Answer:
8 out of 50 students will walk.
Step-by-step explanation:
8 + 30 + 9 + 3 = 50
8 students will walk.
8/50
Brainlist pls!
Answer:
About 16%
Step-by-step explanation:
Out of the first 50 students surveyed, 8 of them walk to school. 8/50 is equal to 0.16 or 16% of the students asked. Based off of that sample size, that would be the probability of the next student walking to school.
A stadium has 55,000 seats. Seats sell for $28 in Section A, $16 in Section B, and $12 in Section C. The number of seats in Section A equals the total number of seats in Sections B and C. Suppose the stadium takes in $1,156,400 from each sold-out event. How many seats does each section hold?
Answer: Section A holds 27500 , Section B has 14100 and SEction C has 13400.
Step-by-step explanation:
Let x= Number of seats in section A.
y = Number of seats in section B.
z= NUmber of seats in sectionC.
As per given , we have
x+y+z=55000 (i)
x= y+z (ii)
28x+16y+12z=1156400 (iii)
Substitute value of x from (ii) in (i), we get
[tex]x+x=55000\\\\\Rightarrow\ 2x=55000\\\\\Rightarrow\ x=27500[/tex]
From (i)
[tex]27500+y+z=55000\\\\\Rightarrow\ y+z=55000-27500\\\\\Rightarrow\ y+z=27500 \ \ \ (iv)[/tex]
From (iii), we get
[tex]28(27500)+16y+12z=1156400 \\\\\Rightarrow\ 770000+16y+12z=1156400\\\\\Rightarrow\ 16y+12z=386400\\\\\Rightarrow\ 4y+3z=96600 \ \ \ \ (v)[/tex]
Multiply 3 to (iv), we get
[tex]3y+3z=82500\ \ \ \ (vi)[/tex]
Eliminate (v) from (iv), we get
[tex]y=14100[/tex]
from (iv)
[tex]14100+z=27500\\\\\Rightarrow\ z=13400[/tex]
Hence, Section A holds 27500 , Section B has 14100 and SEction C has 13400.
In the figure shown below, line m and line n are parallel. What is the value of x?
Answer:
x=20
Step-by-step explanation:
The two angles added together make 180
3x-10 +5x+30 = 180
8x +20 = 180
8x = 160
x=20
Can anyone help plz plz
Answer:
the first choice
Step-by-step explanation:
[tex] - 5 {x}^{2} + 7x + 3[/tex]
help please i need it fast
Answer:
125x125
125=5x5x5
125x125=5x5x5x5x5x5=5 to the power of 6
HELP DUE in 5 mins will give 20 points
Answer:
B
Step-by-step explanation:
Answer:
b
Step-by-step explanation:
how much degrees is angle y
Angle y is - degrees.
In ∆DEF, ∠F = ∠D and EF = 4 cm and DF = 5 cm. Then find the length of DE
Answer:
DE = 4cm.
Step-by-step explanation:
The Isoscles Triangle Theorem says that:
"If two sides of a triangle are congruent, then angles opposite those sides are congruent."
The converse of this theorem is
"If angles opposite those sides are congruent, then two sides of a triangle are congruent."
Therefore, since ∠F is congruent to ∠D and are opposite sides ED and EF
while EF = 4 cm and DF = 5 cm.
DE = 4cm.
Help please I do not understand
Answer:
6 * 3 + 6 * 8 and 6(3 + 8)
Step-by-step explanation:
6 * 3 + 6 * 8 = 18 + 48
6(3 + 8) = 18 + 48
can someone please answer 1 and 2
Answer:
angle UST= 28
ANGLE RSU = 152
Mark me as brainliestttt
How do I value all the 20-dollar bills in circulation?
During basic training, Kevin learns how to read distances on a radar. What should Kevin conclude is the distance around the largest circle on the radar screen?
Answer:
where is the rader
show me it then I can answer
help me and brainlist if you get it right
Answer:
80 in^2 or 80 square inches
Step-by-step explanation:
Area of the top triangle=
1/2*4*4
8 square inches,
Area of the square=
4*4
16 square inches
Area of the rectangle=
4*8
32 square inches
Area of both bottom triangles=
2(1/2*3*8)
24 square inches
add them up and you get
what is the interest on RS. 1000 at 10 p.c.p.a for 1 year.
Answer:
Interest wil be 10% of 100 which is 10
So,
interest will be Rs.10
and total amount to be payed will be 100+10 which is Rs.110
Answer:
Interest is Rs.10
Step-by-step explanation:
Interest of Rs.100 on 10 p.c.p.a is 10% of 100
i.e., 100*10/100 = 10
Thus we have 10 as the interest
What is the value of y?
===========================================================
This is because quadrilateral JMQP is also a parallelogram. Note the arrow markers to tell us that JM is parallel to PQ, and also JP is paralle to QM.
A parallelogram has its opposite sides parallel, and those opposite sides are the same length.
JM = PQ and JP = QM
Because y = QM, QM = JP, and JP = 3, this means y = 3.
3
Solve : 8-3(1-m) = -7
Answer:
m = -4
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
BracketsParenthesisExponentsMultiplicationDivisionAdditionSubtractionLeft to RightEquality Properties
Multiplication Property of EqualityDivision Property of EqualityAddition Property of EqualitySubtraction Property of EqualityStep-by-step explanation:
Step 1: Define
8 - 3(1 - m) = -7
Step 2: Solve for m
[Subtraction Property of Equality] Subtract 8 on both sides: -3(1 - m) = -15[Division Property of Equality] Divide -3 on both sides: 1 - m = 5[Subtraction Property of Equality] Subtract 1 on both sides: -m = 4[Division Property of Equality] Divide -1 on both sides: m = -4y= x^3 + 8x^2 +5x
work out the coordinates of the two turning points
Answer:
(-5, 50) and (-1/3, -0.815)
Step-by-step explanation:
The equation is;
y = x³ + 8x² + 5x
Now the turning point will occur at where dy/dx = 0.
Thus;
dy/dx = 3x² + 16x + 5
At dy/dx = 0, we have;
3x² + 16x + 5 = 0
From quadratic formula, we can get;
x = -5 or -⅓
Thus, let's find y at this points.
y = -5³ + 8(-5)² + 5(-5)
y = -125 + 200 - 25
y = 50
Also,at x = -⅓, we have;.
y = (-⅓)³ + 8(-⅓)² + 5(-⅓)
y = -1/27 + 8/9 - 5/3
y = -0.815
Thus,the coordinates of the turning points are;
(-5, 50) and (-1/3, -0.815)