Answer:
The answer's D.
Step-by-step explanation:
If 40 questions were put in and only 50% of them were used then only 20 questions were used. If you need 40 more questions and 80% of the qustions were used, then she wrote 50 questions.
========================================================
Explanation:
There are 60 questions total.
Amita made 40 questions, but only 50% were considered "good" to be used. So that means 0.50*40 = 20 questions were used.
This means 60-20 = 40 questions remain, and this must be the amount of "good" questions that Meena provided.
We're told that 80% of Meena's questions were considered "good". Let x be the total number of questions she provided.
80% of x = (number of "good" questions Meena offered)
0.80x = 40
x = 40/0.80
x = 50
Therefore, Meena wrote up 50 questions.
Simplify −0.6(−6.3).
Answer:
3.78
Step-by-step explanation:
Answer:
3.78
Step-by-step explanation:
In AMNO, the measure of angle O=90^ the measure of angle N=39^ , and MN = 3 feet. Find length of NO to the nearest tenth of a foot.
Answer:
Step-by-step explanation:
Answer:
Step-by-step explanation:
Answer = 2.3
HELP ME WITH THIS PLEASE:(
Answer:
The answer is D
Step-by-step explanation:
2x+10 <-8
2x<-8-10
2x<-18
x<-9
94 divided by 4552
Show ur work
Answer:
0.02065026362
Step-by-step explanation:
A DVD has a diameter of 18 centimeters. What is the area of the DVD? Round your answer to the nearest hundredth. Use 3.14 for π.
Answer:
. SAME THING YOU PUT FOR MY ANSWER IM GONNA DO THE SAME FOR YOU
Step-by-step explanation:
Help would be great! All I need to know is which one doesn’t belong you don’t need to write why it’s doesn’t belong.
Answer:
There are two correct answers for this question depending on how you think of it.
3x or -3
Step-by-step explanation:
3x could be right because the rest of them are negative. But also on the other case -3 because the rest have x's and this one doesn't
Hope this helps :)
If im too late im so sorry...
Have a nice day!
In the last month, the ratio between Davis's monthly expenditure and his monthly salary was 3 : 7. What percentage of his monthly income did he save last month?
Answer: 57%
Step-by-step explanation:
Davis's monthly expenditure and his monthly salary was 3 : 7.
This means that for every $7 he received, he spent $3 out of it.
The amount he saved is therefore:
= 7 - 3
= $4
For every $7 received, he saved $4.
Percent = 4/7
= 57%
12. A garage is x metres wide. It is 5 metres longer than it is wide. The area of the garage
floor is 24m? Using this information, write a quadratic equation for the area of the floor.
Draw a graph of the equation in the domain --8
(1) What is significant about the two values x = -8 and x = 3, on the curve?
(ii) What is the only valid value of x? Explain your answer.
Answer:
X^2+5X-24=0
Step-by-step explanation:
The sum of the measures of the angles below is 180∘. A triangle is shown. The first angle measures x degrees. The second angle measures two x minus ten degrees. The third angle measures x plus ten degrees. What is the measure of each angle? Write and solve an equation.
Answer:
First Angle: 45 degrees, Second Angle: 80 degrees, Third Angle 55 degrees
Step-by-step explanation:
180∘= x+ 2x-10∘+ x+10
180∘=4x
x=45∘
2x-10=80∘
x+10=55∘
The measure of the interior angles of the triangle are 45°, 80° and 55°
respectively.
What is a triangle?A triangle is a three-sided closed-plane figure formed by joining three noncolinear points. Based on the side property triangles are of three types they are Equilateral triangle, Scalene triangle, and Isosceles triangle.
We know the sum of all the interior angles in a triangle is 180°.
Given, a triangle has interior angles x°, (2x - 10)° and (x + 10)°.
∴ x + (2x - 10) + (x + 10) = 180°.
4x = 180°.
x = 45°.
learn more about triangles here :
https://brainly.com/question/2773823
#SPJ5
Factor: 2m + 19 + 6m - 7
Answer:
4(2m+3)
Step-by-step explanation:
2m + 19 + 6m - 7=8m+12=4(2m+3)
y = 5x - 6
slope
y-intercept
Answer:
slope:5
y intercept: -6
Step-by-step explanation:
answer pls!! A 12 inch vertical post casts a 24 inch shadow at the same time a nearby flower casts a 49 inch shadow.
How tall is the flower?
how to Simplify: (a + 2)(3a - 1')
Someone please help me
Answer:
true
False
false
true
that is the answers in order, hope that helps!!
please help me please will give brainliest
Answer: Printer A can print (576/48) 12 pages per minute. Printer B can print (1104/48) 23 pages per minute
Step-by-step explanation:
Answer:
Printer A 576/48 = 12
Printer B 1104/48 = 23
23-12 = 11
Therefore Printer B can print 11 more pages than Printer A
MARK BRAINLIEST PLEASE
Solve this problem:))))))))))))) PLEASE
simplify the following
√2×√18
How do I do this? Multiply:
(x-9)²
Answer:
x2−18x+81
Step-by-step explanation:
How long would it take to travel 30 miles at an average speed of 50 miles per hour
Answer:
1.6 hours so 96 minutes
Step-by-step explanation:
graph a line that contains that point (-7,-4) and has a slope of -2/3
Answer:
[tex]y=-\frac{2}{3}x-\frac{26}{3}[/tex]
Step-by-step explanation:
Equation of straight line in point slope form is given as
[tex](y-y_1)=m(x-x_1)[/tex]
Here
[tex](x_1, y_1)=(-7,-4) \ and \ m=-\frac{2}{3}[/tex]
Therefore,
[tex](y+4)=-\frac{2}{3}(x+7)[/tex]
Graph of equation is attached
Help due asap
Show workings
Answer:
45
Step-by-step explanation:
Like last question an isosceles has two angles that are the same. The square indicates a right angle so h=90
180-90=90
90/2=45 so G and E equal 45
Because you are given that one angle measures 90 degrees, this is an isosceles right triangle. Therefore, the other two angles must be equal, and add up to 90 degrees because an isosceles right triangle is exactly half of a square. Also, all angles in a triangle must add up to 180 degrees. Because of these rules, we can completely ignore the expression for angle G and sufficiently say it is 45 degrees.
Can someone help with this
Answer:
C: 7
Step-by-step explanation:
As the x value increases by 1, the y value increases by 2
5+2=7
Hope this helps :-)
Answer:
Its C
Step-by-step explanation:
each time its increases by one the value increases on y 1 extra
What is (-8) x (-2/3)
Answer:
16/3 or 5.3 recurring
Step-by-step explanation:
-8 times -2/3 is 16/3, and 16/3 is 5.3 recurring
Help its urgent!!!!!!!!!!
Answer:A>
Step-by-step explanation:
pls do it fast
in the given figure AB=10.2cm, AC=14cm, AD=DC and AD perpendicular to BC. calculate area of triangle ABC.
Answer:
solution :
in the given figure AB=10.2cm, AC=14cm, AD=DC and AD perpendicular to BC.
now ,
in rt angle tirangle ADC,
angleACD=45 degree, angle DAC=45 degree now,
in triangle ABD,
angle BAD+angleABD+angleADB=180 DEGREE (sum of the sngle of triangle)
angle BAD+75+30=180
angle BAD=180-165 therefore,angle BAD=15
angle BAC =15+45=60
Area of triangle ABC=1/2×AB×AC×SIN 60
=1/2×10.2×14×√3/2
=61.83cm³ ans
F is inversely proportional to d 2 . When F = 3 , d = 4 Work out F when d = 2
Answer:
F = 6
Step-by-step explanation:
find the constant of variation (k) first by using this formula:
f = k/d
plug in given info to find k: 3 = k/4 so k = 12
use 12 to find F: F = 12/2
Será buys 1.20 pounds of skittles 3½ pounds of m&m's and 5.2 pounds of pretzels if the candy cost $1.20 a pound and the pretzels cost $1.10 a pound how much did será spend?
Answer:
3:00
Step-by-step explanation:
I need to know how to solve this and the answer
Answer:
69°
Step-by-step explanation:
180 - 21 -90 = 69
hope this helps...
Answer: The missing angle is 69°
Step-by-step explanation: When all the angles have their vertex on a straight line, they must add up to 180° They are "supplementary" angles.
The "box" in the corner of an angle is a symbol for "right angle" so that is a way to have a "given" 90°
Knowing that, you can add the "given" 90° + 21° to get 111°
Subtract 111° from 180° to find Angle a:
180 - 111 = 69
Write the formula for the following sequence.
5.8, 3.6, 1.4,...
PLEASE SHOW YOUR WORK.
[tex]tn = t(n - 1)- 2.2[/tex]
common difference is
3.6 - 5.8 = -2.2
let T1 = 5.8
T2 = 3.6
assuming we are to find T2
T2 = T(2-1) -2.2
= T1 -22
= 5.8 -2.2
= 3.6
Jane has 1 quarter, 3 dimes, and 4 nickels. What percent of dollar does Jane have?
i know the answer is 44% but can someone please explain how i got 44%??
Answer:
ok so I'm English not a hundred percent sure on your break down of money......so if I'm right in thinking that a nickel = 5 cents, dime = 10cents and a quarter =25cents
you add the amounts together
so 25 + 30 +20 = 75 cents.
there are 100 cents in a dollar so 100/100 X 75=75%
I have no idea how you got to 44%