2. Sandra has earned 284 out of 300 points in Math class. What grade did Sandra
make in her math class? (Round your answer to the nearest whole percent)

Answers

Answer 1

Answer:

95%

Step-by-step explanation:

300/284 = 0.946666... rounded the the whole percent is 95%

300 * 95% = 285


Related Questions

I GIVE BRAINLIEST!

Explain your answer please!!

Answers

Answer:

y=3x-1

Step-by-step explanation:

First, we must find the slope of the equation. To do that we take two ordered pairs from the graph.

(2,5) (10,29)

The equation for slope is m=y2-y1/x2-x1

m=29-5/10-2

m=24/8

m=3

Now, we will find the variable B.

5=3(2)+b

5=6+b

-1=b

That's how we get the equation!

y=3x-1

Answer:y= 3x-1

Step-by-step explanation:

m= y2-y1/ x2-x1=

29-5/10-2=3

Now,use: y-y1= m(x-x1)

y-5=3( x-2)

y= 3x-1

a cinema has 240 seats. 144 seats were sold for the current movie. What percent of seats were empty?

Answers

it’s 60%. (144 divided by 240)x100= 60

Answer:

60%

Step-by-step explanation:

After school, Shawn had a science club meeting for 1 hour, followed by a choir rehearsal that lasted for 45 minutes. The choir rehearsal ended at 5:30 P.M. What time did the science club meeting begin?

Include A.M. or P.M. in your answer Please help me fast !!!

Answers

Answer:

3:45 P.M.

Step-by-step explanation:

SO we start at 5:30 P.M.

Going backwards 45 mins = 4:45 P.M.

Then backwards 1hr or 60 mins = 3:45 P.M

NEED HELP!!!!!!!!!!!!!

Answers

The answer to your question is DG.

Find -(-14).
—14
-4
4
14

Answers

Answer:

Step-by-step explanation:

minus in front of a minus=+

14

Answer:

D. 14

Step-by-step explanation:

???? Help me and I’ll mark as brainliest

Answers

Answer:

15

Step-by-step explanation:

Answer:

I believe the answer is 6.

Step-by-step explanation:

Convert 33 feet per second to miles per hour. Round to the nearest tenth.

33 feet1 second = miles/hr

Answers

Answer:

about 22.5 mph

Step-by-step explanation:

for an approximate result, divide the speed value by 1.467

You are Christmas shopping and your bill at the register is $130. You have two coupons, but you are only allowed to use one. Coupon 1 is for 10% off. Coupon 2 is for $10 off. Answer the following question 7a-7b-7c

Answers

Answer:

the answer is 10 percent off because that is 13 dollars

Step-by-step explanation:

if you do 130 times 10 it is 1300, then divide by 100 it equals 13 dollars off. if you did the other coupon it would only be 10 dollars off

pls help im really dum

Answers

Answer:

1: h0m0zyg0us

2: 75%

3: 50%

Step-by-step explanation:

i think im not sure

A. 3(x+2) = 18
T + 2 = 6
1) How can we get Equation B from Equation A?

Answers

Answer:

It's 4 I hope this helped.

If I subtracted 2 from 6 in Equation B. I would get 4. Putting 4 to replace the x in Equation A, it makes the equation make sense.

Step-by-step explanation:

3 ( 4 + 2 ) = 18

4 + 2 = 6

can somebody please help me i’ll gift you 40 points

Answers

Answer:

B and D

Step-by-step explanation:

Answer:

B

Step-by-step explanation:

she got 35 is positive 35

she bought something for 15 and something for 7 is negative 15 and 7

she got 10 is positive 10

+35  +  (-15)  +  (-7)  +  10

35-15-7+10

He is pulling 400 feet over level ground by exerting a constant 25-pound force on the bar that makes an angle of 30° with the ground.



How much work is Thomas doing to pull the wagon?

10,000 foot-pounds
8,660 foot-pounds
7,070 foot-pounds
5,000 foot-pounds

Answers

Answer:

It’s b

Step-by-step explanation:

Answer:

B on edge

Step-by-step explanation:


HELP ME PLZ
Determine the measure of each numbered angle.
365
2.
3
4.
40°
5
20°
6

Answers

Answer:

1=50

2=130

3=50

4=130

5=40

6=30

Step-by-step explanation:

Remember a straight line is 180 degrees and the interior of a triangle always equals to 180 degrees

Hope this Helped! :D

Veronica has been saving dimes and quarters and has a total of 86 coins worth $9.00. How many
quarters does Veronica have?

Answers

The answer to your question is 4.11 if I’m correct

Jayson can make 4/5 of a 5 layers cake in 15 minutes. At this rate, how many cakes can Jayson make in 1 hour?

Answers

Answer:

3.2 cakes a hour

Step-by-step explanation:

Four less than the product of 2 and a number is the same as negative eightteen. Find the number

Answers

Answer:

12

Step-by-step explanation:

4-2x=-18

-4        -4

-2x=-24

-2      -2

x=12

Enter a positive common factor (other than 1) of the fraction's numerator and
denominator.
9/21

Answers

Answer

9, and 3 are common factors

The town of Euclid started a voluntary recycling program. The first year it was utilized by 1500 residents. Every year afterward, the number of new users was 120% of the new users the year before. After 6 years, how many people total were using the recycling program?

Answers

Answer:

170,070 residents

Step-by-step explanation:

Original population = 1500 residents

Total population after 6 years is calculated using the formula

A = P(1+r)^t

r is the rate = 120% = 1.2

t is the time = 6 years

P is the original population

A = 1500(1+1.2)^6

A = 1500(2.2)^6

A = 1500(113.379904)

A = 170,069.856

Hence the total people using the recycling program after 6 years is approximately 170,070 residents

You are given two algebraic equations, y = 3x, and 2y = x + 20. Solve for x and y.

Answers

Answer:

x= -4 & y=-12

Step-by-step explanation:

multiply y=3x by 2

giving you 2y=6x

subtracting 2y=x+20 from 2y =6x

=> 5x=-20

dividing through by 5

=> x=-4

put x=-4 into y=3x

=> y=3(-4)

y=-12

Is this the right answer

Answers

Answer:

yes that would be correct

Step-by-step explanation:

4 + 4 is 8

Which of the following ordered pairs corresponds to an arrow on a mapping diagram that starts at 4 and ends at 1?
O (1,1)
O (1.4)
0 (4,1)
O (4,4)

Answers

Answer:

it would be 4,1

Step-by-step explanation:

because its the only one that startes with 4 and ends with 1

Morgan's mom wants to borrow $720 to buy a new computer. The store will charge her 8% simple interest for one year. How much will she have to pay back if she pays the full amount in one year?

Answers

Answer:

$777.60

Step-by-step explanation:

8/100 = 0.08

0.08 * 720 = 57.6

57.6 + 720 = 777.6

Answer:

Step-by-step explanation:

8/100*720=5760/100

=$57.6

$720-$57.6=$662.4

she will pay back $662.4.

4/n = 4/5

Please provide best answer:

A: n = 5
B: n = 5/16
C: n = 3 1/5
D: n = 50​

Answers

Answer:

[tex]\huge\boxed{\sf n = 5}[/tex]

Step-by-step explanation:

[tex]\sf \frac{4}{n} = \frac{4}{5} \\\\Cross \ Multiplying \\\\n * 4 = 4*5\\\\Divide \ both \ sides \ by \ 4 \\\\\frac{n*4}{4} = \frac{4*5}{4} \\\\n = 5 \\\\\rule[225]{225}{2}[/tex]

Hope this helped!

~AH1807

Answer:

n = 5

Step-by-step explanation:

[tex] \frac{4}{n} = \frac{4}{5} [/tex]

Dividing 4 on both the sides gives ,

[tex] = > \frac{4}{n} \div 4 = \frac{4}{5} \div 4[/tex]

[tex] = > \frac{4}{n} \times \frac{1}{4} = \frac{4}{5} \times \frac{1}{4} [/tex]

Cancelling 4 from numerator and denominator from both the sides ,

[tex] = > \frac{1}{n} = \frac{1}{5} [/tex]

Cross-multiplying the denominators of both sides,

[tex] = > n = 5[/tex]

Solve for d.
5 + d > 5 – d

Answers

Answer:

d > 0

Step-by-step explanation;

Alexandra has 4 bags of beads. Some of the bags contain 3 purple beads and the rest contain 6 indigo beads. If Alexandra has 21 beads in all, how many bags of each color bead does Alexandra have?

Please help me fast!!

Answers

Answer:

4 bags of purple beads and 3 bags of indigo beads.

Step-by-step explanation:

Total number of beads = 21 beads'

Total bags of beads = 4 bags

Purple beads = 3 purple beads

Indigo beads = 6

Let x be each bags of purple beads

Let y be each bags of indigo beads

Since there are 4 bags of bead then;

x + y = 4 ....1

If some of the bags contain 3 purple beads and the rest contain 6 indigo beads, then;

3x + 6y = 21

x + 2y = 7.....2

Subtract 1 from 2

y - 2y = 4 - 7

-y = -3

y = 3

Sunce x + y =7

x = 7-y

x = 7-3

x = 4

Hence there are 4 bags of purple beads and 3 bags of indigo beads.

-3x+2y=-17,-6x+3y=-30 using elimination

Answers

Answer:

x= 3, y= -4

Step-by-step explanation:

Which numbers are factors of 16? Check all that apply.
o 2
o 3
o 4
o 8
o 16
o 32

Answers

Answer:

2,4,8,16

Step-by-step explanation:

2*8=16

4*4=16

8*2=16

16*1=16

those are the numbers you have that can give u 16 but with 3 and 32 no

Hope this helped!

Answer:

2,4,8,16

Step-by-step explanation:

That’s your answer

It is thought that not as many Americans buy presents to celebrate Valentine's Day anymore. A random sample of 40 Americans yielded 22 who bought their significant other a present and celebrated Valentine's Day. Estimate the true proportion of all Americans who celebrate Valentine's Day using a 98% confidence interval. Express the answer in the form the point estimates /- the margin of error.

Answers

Answer:

98% confidence interval of the true proportion of all Americans who celebrate Valentine's Day

 (0.3672 , 0.7328)

Step-by-step explanation:

Explanation:-

Given Random sample size n =40

Sample proportion

                            [tex]p = \frac{x}{n} = \frac{22}{40} = 0.55[/tex]

98% confidence interval of the true proportion of all Americans who celebrate Valentine's Day

   

          [tex](p-Z_{\alpha } \sqrt{\frac{pq}{n} } , p + Z_{\alpha } \sqrt{\frac{pq}{n} } )[/tex]

         

The Z-value Z₀.₉₈ = Z₀.₀₂ = 2.326

98% confidence interval of the true proportion of all Americans who celebrate Valentine's Day

    [tex](0.55-2.326\sqrt{\frac{0.55 X0.45}{40} } , 0.55 + 2.326\sqrt{\frac{0.55 X0.45}{40} } )[/tex]

  ( 0.55 - 0.1828 , 0.55 + 0.1828)

  (0.3672 , 0.7328)

         

Answer:

Step-by-step explanation:

98% confidence interval of the true proportion of all Americans who celebrate Valentine's Day

 

         

       

The Z-value Z₀.₉₈ = Z₀.₀₂ = 2.326

98% confidence interval of the true proportion of all Americans who celebrate Valentine's Day

   

 ( 0.55 - 0.1828 , 0.55 + 0.1828)

 (0.3672 , 0.7328)

can someone answer please I don't understand ​

Answers

Answer:

you just add X=8 to 5x-6

You always have to multiply it

so its 5•8-6= 34

Answer: The answer is 34

Step-by-step explanation: all you had to do was think all of the answers below are high numbers so you most likely had to multiply so i did 5x8-6=34

Describe how to add 3 2/5 and 1 1/5 and how to subtract them.

Answers

find a common denominator
change the two mixed number into top heavy fractions. 17/5 and 6/5. to add them you get the same denominator (bottom number of the fraction) you can easily do this by multiplying them together - in this instance they both have the same denominator 5 so you can just add the numerators together which will be 23/5. to subtract these fractions you would flip the fraction of the second fraction -> (17/5 x 5/6). once you flip you times numerators by each other and denominators by each other so it’ll be 85/30
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