Answer:
-5x^2-32x+13
Step-by-step explanation:
(3-13x-7x)-(5x^2+12x-10)
3-20x-5x^2-12x+10
-5x^2-32x+13
Answer:
-12x^2-25x+13 is the actual answer on Plato
Step-by-step explanation:
find the sum of 8a+2b-4 and 3b-5. write. in expanded form and then standard form
Answer: 2^3
Step-by-step explanation:
Please and Thank You
Answer:
I believe it is D, 5.
Step-by-step explanation:
Find the measure of the angle indicated in bold.
14)
А) 120
C) 115°
B) 100P
D) 140°
Answer:
115 sirrrrr
Step-by-step explanation:
I’m sooo confused rn please help pleaseeeeeee
Answer:
i believe the answer is c
Step-by-step explanation:
i'm not entirely sure but i hope this helps :)
have a nice day !!
**please let me know if this was wrong**
Answer:
B & C
Step-by-step explanation:
you have to solve for x in both a negative and positive way
Plssssss HELP ASAPPPPP
Answer:
The formula for an exponential decay problem is: y = x (1 - r)^x
Where x = initial amount, r = rate of decay and x = # time periods
So, x = $258, r = 8% = .08 and x = 11 years
y = 258 (1 - 0.08)^11 = 258 (0.92)^11 = 258 * 0.3996 = $103.10
Step-by-step explanation:
(26 points!!!) Find the measurement indicated in each trapezoid. (ISOSCELES TRAP) Do NOT include units (degrees, inches, feet, etc).*
Please help anyone greatly appreciated
Answer:
Step-by-step explanation:
2(3x6+3x2+6x2)=72
The 6th grade class is going on a Field Trip. The Adult to Student ratio is 2:5. If there are a total of 70 people on the Field trip, how many adults are on the field trip?
Plz Help plz
Answer:I think it 20 adult to 50 kids
Step-by-step explanation:
Convert 46 days in weeks and days
Answer:
6 weeks and almost 4 days
(or 6.571 weeks)
Answer:
6 (simple) 6.57143 (real)
Step-by-step explanation:
The real answer is 6.57143.
I did the 6 for simple
Sorry if I didn't do the days.
PLEASE HELP ME ASAP! I'll mark brainliest if you're correct!
Answer:
Step-by-step explanation:
415 [tex]in^{3}[/tex]
Answer:
415 in^3
Step-by-step explanation:
After the math contest, Basil noticed that there were four extra-
large pizzas that were left untouched. In addition, another three
slices of pizza were uneaten. If there were a total of 51 slices of
pizza left, how many slices does an extra-large pizza have?
MATH
CONTEST
3:30
RM
105
EX PIZZA
EX.16. DIZZA
XG. PIZZA
X LG PIZZA
14
12.
15
Answer:
correct answer = 12
Step-by-step explanation:
the extra large pizza contains = 12 slices of pizza.
plz mark my answer as brainlist plzzzz.
hope this will be helpful to you ☺️
Answer:
An extra large pizza has 12 slices
Jackson wants to make at least $150 this weekend so that he can buy some new
baseball cleats. If he earned $77.50 on Saturday, write an inequality to find the amount
of cash he must make on Sunday.
Answer:
m ≥ $72.50
Step-by-step explanation:
Help show work pls for brisnly
Answer:
6
Step-by-step explanation:
Ok, so all we have to do is multiply 8 * 3/4, because each child needs 3/4 of the sandwich, and there are 8 of them. The easiest (My opinion) way to do this is by turning 8 into a fraction. Turning whole numbers into fractions is really simple, just slap a /1 under them to make them a fraction. And so, our fraction is 8/1. Now, all we have to do is multiply the top part of the fraction, and then the bottom part of the fraction. So, 8 * 3 = 24, and 1 * 4 = 4. So, just put 24/4 as an answer. But, wait! We have to simplify it! 24 divided by 4 is 6, so 6 is our final answer.
Find the area of a circle with radius,
r
= 40cm.
Give your answer rounded to 3 SF.
Answer:
hiiiiiiiiiiiiiiiiiiiiiiiiWhat is an equation of the line that passes through the points (-4, -2) and
(-8, 3)?
Answer:
[tex]y=\frac{-5}{4}x-7[/tex]
Step-by-step explanation:
Explain 3 areas in everyday life when you use math.
What is the mid point of a and b
(a+b)/2
Step-by-step explanation:
if a and b are the two end points of a straight line
(Need Help Quickly) find the measurement indicated in each trapezoid. (ISOSCELES TRAP) Do NOT include units (degrees, inches, feet, etc).*
Answer:
Notice in my attached drawing that I have located point H in two different locations, point H and point H2 for argument purposes.
Line FE is equal to line GH in length.
angle at corner F is 95 degrees.
The angle at point E varies with the location of point H, or with the length of line FG.
More information is needed to determine an exact angle at point E.
What is the length of CF?
Answer:
8.5
Step-by-step explanation:
BF * EF = CF * DF
7 * 17 = CF * 14
119 = CF * 14
CF = 119 / 14
CF = 8.5
Jo has an appointment at 3pm. She has to travel 21 miles and will drive at an average speed of 30 mph. To arrive exactly on time, what time should she leave? Give your answer as a time on the 24-hour clock
f(x)=x+2
g(x)=3x^2-5
Find (f•g)(x).
Answer:
f ( [tex]x^{2}[/tex]+ 5 ) = 3[tex]x^{2}[/tex] + 13
Step-by-step explanation:
Posting for a freind please hurry
Answer:
2) 16.2
3)18.2
4)16.6
Step-by-step explanation:
Answer:
3. 18.6.
4. 17.2.
Step-by-step explanation:
there you go calculators are fun
Last year Emily invested some money and had gained 8% profit and her friend, Samira invested some money and gained 9% profit. Their total profit on the two investments was $1720. This year they each decided to invest the same amount of money as last year. Emily gained 7% profit this year and Samira gained 6%. If they receive a total profit of $1280, how much money did Emily invest? Answer.
Answer:
Emily's investment = $8,000
Step-by-step explanation:
Let Emily's invested amount = x
Let Samira's amount = y
8% of Emily's amount = 8/100 × x = 0.08x
9% of Samira's amount = 9/100 of y = 0.09y
∴ 0.08x + 0.09y = 1720
multiplying through by 100
8x + 9y = 172000 - - - - - (1)
7% of Emily's amount = 0.07x
6% 0f Samira's amount = 0.06y
0.07x + 0.06x = 1280
multiplying through by 100
7x + 6y = 128000 - - - - - - (2)
Next, let us subtract eqn 2 from eqn 1
equation (1) - equation 2
8x + 9y = 172000
-
7x + 6y = 128000
= x + 3y = 44000 - - - - (3)
from eqn (3) x = 44000 - 3y - - - - - (4)
putting this value of x into eqn 1
8x + 9y = 172000
8 (44000 - 3y) + 9y = 172000
352000 - 24y + 9y = 172000
-15y = 172000 - 352000 = -180000
y = 180000 ÷ 15
y = $12,000
finding x using eqn (4)
x = 44000 - 3y
x = 44000 - 3(12000)
x = 44000 - 36000
x = $8,000
∴ Emily's investment = $8,000
If you deposit $24,500 into a bank account paying 6% annual interest compounded
semi-annually for 5 years, how much interest will you earn? Round to the nearest cent.
Answer:
$7,719.33
Step-by-step explanation:
$24,500 x 0.06 = $1,470
($24,500 + $1,470) x 0.06 = $1,558.20
($24,500 + $1,558.20) x 0.06 = $1,563.49
($24,500 + $1,563.49) x 0.06 = $1,563.81
($24,500 + $1,563.81) x 0.06 = $1,563.83
$1,470 + $1,558.20 + $1,563.49 + $1,563.81 + $1,563.83 = $7,719.33
HOW DO YOU FIND ANGLE 1
Answer:
If we add up all the angles of any triangle, we should get 180 degrees. Therefore, Angle C = 90 (angle A) - 45 (angle B) = 45 degrees. Since there was a ray drawn from A through C the exterior angle of angle C is angle 1.
Step-by-step explanation:
a "one angle" A degree (in full, a degree of arc, arc degree, or arcdegree), usually denoted by ° (the degree symbol), is a measurement of a plane angle in which one full rotation is 360 degrees. ... Because a full rotation equals 2π radians, one degree is equivalent to π180 radians.
If the diameter of a circle is increased by 6 cm, what is the increase in the circumference of the circle?
Answer:
The circumference will be larger by 3 cm.
Step-by-step explanation:
We know that the circumference of a circle is C = 2πr, where r is the radius. The circumference can also be expressed as C = 2π [tex]\frac{d}{2}[/tex], where d is the diameter (since the radius is half the diameter).
So, if we increase the diameter by 6:
C = 2π [tex]\frac{(d+6)}{2}[/tex]
C = 2π [tex]\frac{d}{2}+\frac{6}{2}[/tex]
C = 2π [tex]\frac{d}{2}[/tex] + 3
If we compare this to the original equation, C = 2π [tex]\frac{d}{2}[/tex], we see that if we increase the diameter by 6 cm, the circumference will be larger by 3 cm.
3y - 5x = 15 slope intercept form
Answer:
Y=3/5x-3
Step-by-step explanation:
Answer:
y=5/3x+5
Step-by-step explanation:
1)3y-5x=15
2)3y=15+5x
3)y=5+5/3x
4)y=5/3x+5
1) Write the equation out
2) Add 5x to both sides of the equation
3) Divide both sides of the equation by 3
4) Reorder the terms
Malaya is following this recipe for bread rolls.
She uses 400 g of flour.
How much of the other ingredients does she use?
Recipe: Makes 14 bread rolls
700 g flour
14 g salt
7 g yeast
35 mL oil
420 mL water
Answer:
Step-by-step explanation:
400/700 = 4/7
salt: 4/7 × 14 g = 8 g
yeast: 4/7 × 7 g = 4 g
oil: 4/7 × 35 mL = 20 mL
water: 4/7 × 420 mL = 240 mL
1 13/15 in improper fraction
Answer:
28/15
Step-by-step explanation:
Hola, me gustaría saber cuánto es 16r-8?