Mathematics Middle School

Estimate the sum.1,239 + 8,568

10,000

9,000

8,000

11,000

Answers

Answer 1

Answer:

10,000

Step-by-step explanation:

Answer 2
10,000, because you round 1239 down to 1000 and 8568 up to 9000 and then u add 1000 and 9000

Related Questions

Students conducted the following experiment 24 times. They drew one card from a box with some red cards and some black cards, put the card back in the box, and then drew another card. The results are shown in the table below.

What is the experimental probability of drawing 1 red card and 1 black card?


A.
3 over 8

B.
3 over 5

C.
5 over 8

D.
3 over 4

Answers

Answer:

it is d

Step-by-step explanation:

The correct answer is d

Triangle
ABC with vertices A(3, -1), B(0, 8), and C (-3, 1) is reflected so that A’ is
now (3, 1). What was the reflection,
and where are B’ and C’?

Answers

C is the only answer

Find the constant of proportionality k in the equation y=27x

Answers

Answer: k=27

Step-by-step explanation:

y=kx


K on this equation is 27.

15. What is the y-intercept, axis of the symmentry and vertex of the following function

f(x)=-3x²-6x-5

Answers

Answer:
Axis of sym: x = -1
Vertex: (-1,-2)
Y intercept: y = -5
Answer:

The y-intercept is c so it’s (-5)
Axis of the symmetry u get by using -b/2a and you get (-1 )
Vertex u apply -1 in the equation and u get (-1,-2)
The -1 is the x u got on axis of symmetry and -2 is the y which u get by applying the x= -1 in the formula of f(x)

Someone Please help me

Answers

Answer:

So I did this in the beginning of my seventh grade year.

Step-by-step explanation

center is natural numbers

then whole numbers

then integers

then rational numbers on the outside

does this help?

Brainliest! PlEASE be right! Thank you Sugarr! lol kiddin, pls help tho

Answers

Answer:

111

Step-by-step explanation:

Answer:

N is 111

Step-by-step explanation:

To find the answer you need to find what 96 + 12 + 3 is. 96 + 12 + 3 = 111. 111 - (12 + 3) is 96 so 111 should be the right answer.

Bradley has a coupon for 15% off the price of a computer. The sales tax is 8%.
How much money did Bradley save, including sales tax, by using his coupon?
(Total cost of the computer with sales tax and coupon is $454.41)

Answers

Answer: $31.81

Step-by-step explanation:

First figure out how much the sales tax was

454.41x0.8=36.35

Then figure out how much the coupon subtracted off the total price

454.41x0.15=68.16

Subtract 68.16 by 36.35

68.16-36.35=31.81

CAn someone help math 34 -9999

Answers

Answer:

-9965

Step-by-step explanation:

you can subtract 9999 by 34 and get 9965

then you need to add the - negative sign.

9965 if a positive and
if negative 10,033
sorry i diddnt know if the 9999 is a negative or a positive

Calories Used While Swimming for 30 Minutes
Type of Stroke
56-kg woman
77-kg man
Backstroke
95
130
Breaststroke
91
125
Fast Crawl
87
120
Slow Crawl
95
130
Sidestroke
68
90
Treading Water
35
48
Table 2-1


Scientific data can be organized into different types of graphs. Which type of graph would best illustrate the information from Table 2-1?
a.
circle graph
b.
line graph
c.
bar graph
d.
none of the above



Please select the best answer from the choices provided


A
B
C
D

Answers

Answer:

C.
Bar graph

Step-by-step explanation:

WHen you have a lot of data like this, it is best that you use bar graphs. If it is incorrect I am sorry.

easy points easy points

Answers

4 outta 16 or 4/16 I think
It’s 1:3 1 triangle 3 squares

I NEED HELP FAST ITS FOR A TEST (no links pls)
Part A: Explain why x = 6 makes 5x − 6 ≤ 24 true but not 5x − 6 < 24. (5 points)

Part B: What value from the set {5, 6, 7, 8, 9} makes the equation 6x + 4 = 34 true? Show your work.

Answers

Answer:

I dont know about A but the answer for B is below

Step-by-step explanation:

6x + 4 = 34 = (6x5) + 4 = 34

Answer:

Seem you are doing the same test I did! Module 7 part 2?

Anyway!

Part A: If we work through the equation 5x - 6 and substitute 6 for x then we have (5*6) - 6 = 30 - 6  = 24.

Therefore, 5x − 6 ≤ 24 is true since it means that it is equal to or less than 24.

And 5x − 6 < 24 is wrong since the equation equals 24 and is not less than 24.

Part B:

6x + 4 = 34

6x5 = 30

30+4=34

To verify: (6*5) + 4 = 34. The answer is five.

Hope this helps! Brainliest please!

3. The length of the radius and slant height of two different cones
are shown.
a. Find the surface area of each cone. Use 3.14
for pi and round to the nearest hundredth.
11.3 cm
9.4 cm
2.9 cm
4.4 cm
b. Which cone has the greater surface area?
Cone 1
Cone 11

Answers

11.34 so have a great day

If the speed limit is 80 kilometers per hour, and Elena’s mom was driving 75 miles per hour, was she speeding? By how much?

Answers

She is speeding

First you need to converted miles into km as she was driving with miles but our speed limit is km so to maintain the balance we have to convert the measurements into one unit

Speed limit was 80km
She was driving 75 miles
We know,
1 mile = 1.609 km
So 75 * 1.609 = 120.675 km

So speeding = (120.675 - 80)
= 40.675

Therefore, she was over 40 km speed limit

7. Terrance needs to find the lateral surface area of the box shown below. Assuming that the base is the bottom of the prism, which of the expressions below will give him the correct lateral surface area?

Answers

The expression that will give the correct lateral surface area of the rectangular prism = (14.5 + 14.5 + 7 + 7)(8.6)

What is the Lateral Surface Area of a Rectangular Prism?

The lateral surface area (LSA) = 2(l + w)h

Given the following:

l = 14.5 w = 7h = 8.6

Lateral surface area of the prism = 2(l + w)h = 2(14.5 + 7)8.6

Lateral surface area of the prism = (14.5 + 14.5 + 7 + 7)(8.6)

Learn more about lateral surface area of prism on:

https://brainly.com/question/14028871

I need help :,)

Mark is traveling by bus and needs to go from

Denver to San Diego and then on to San Francisco


The charge from Denver to San Diego is $17.50


and the charge from San Diego to San Francisco


is $8.75. How much will the ride cost?

Answers

Answer:

add 17.50 to 8.75 you get 26.25

Answer:

$26.25

Explanation:
add both numbers given

Gabe received financial assistance to pay for his college education. He was required to work 20 hours per week in the school's cafeteria to help pay for his tuition. Which kind of financial assistance did Gabe receive?

Answers

Answer:

the financial assistance is work-study.

what is 40 x 40 x 40 please

Answers

Answer:

64000

Step-by-step explanation:

40x40x40=64000

Which of the following best represents the graph of the line of the equation x + 5y = 15?

Answers

Answer: Letter C

Step-by-step explanation:

Slope: -[tex]\frac{1}{5}[/tex]

Y-intercept: 3

y = -[tex]\frac{1}{5}[/tex] + 3

Answer: C

Step-by-step explanation: ez

Answer ASAP and whoever get it right can have brainliest!

Answers

Answer:

2/7 divided 7= 2/14=1/7

Step-by-step explanation:

In these kind of problems you keep,change,flip

2/7 stays the same the division symbol change to a multiplaction sign and since the 7 is a whole we have to change it to 7/1 and flip it so the answer is   2/14 and since 2 goes into 14 we can simply when change to 1/7

HHope this helps :)

2/49
That’s the answer

A wildlife society is taking a sampling of the lengths of bluegill fish at a local lake. If the survey resulted in the data above, the distribution of fish lengths would be best described as...
A. skewed to the left.
B. symmetrical with multiple modes.
C. symmetrical with one mode.
D. skewed to the right.

Answers

Answer:

The answer would be "C"

Step-by-step explanation:

Please help needed its due soon

Answers

25yd=75 . sorry mane had to get these points up you know

when he sorts the class's scores on the last test, the teacher notices that exactly 12 students scored better than Clare and exactly 12 students scored worse than Clare. Does this mean that Clare's score on the test is the median? Explain your reasoning.

Answers

Answer:

Yes, Clare's score on the test is the median.

Step-by-step explanation: Yes, because if we line up the scores from least to greatest and continue to cross off a score on each side, Clare's score will be exactly in the middle.

Yes clare’s test score is the median. This is true because the median is the middle of the data so if there are equal numbers of 12 below and above her score that would mean her score is in the middle and would be considered the median

Part A.Maggie is making a necklace using 14 inch string and identical beads. Maggie has placed 12 beads next to each other starting at the left end of the string as shown in the figure. The 12 beads fill 3 inches of the string. How many total beads will completely fill the 13 inch string?
Part.BAfter filling the string from end to end, Maggie decides to leave one inch at each end of the string with no beads. How many beads does she need to remove from the beads she used to completely fill the string?

Answers

Part a: 52 beads I think
12/3=4
4*13=52

Part b: 8 beads
Every inch is 4 beads.
4*2=8

Answer:

a)  56 beads

b)  8 beads

Step-by-step explanation:

12 beads take 3 inches so yes 12/3 =4 per inch

but then the necklace is 14 in long so 4 *14=56 beads

if you take off one ince per side you would take of 4 beads per side so 4*2=8 beads

2) All students at Leara's school take a physical education (P.E.) class. A random
sample of 200 students is asked what activity they would like to do every Friday
in P.E.: 60 students want to play dodgeball, 30 want to play basketball, 70 want
to play kickball, and 40 want to play softball. Can the teacher conclude that
basketball is probably the least popular activity across the whole schoo'?
Explain your answer.

Answers

Answer:

Yes, because there are only 30 students out of 200 students wanted to play basketball

Step-by-step explanation:

60 stds - dodgeball

30 stds - basketball

70 stds - kickball

40 stds - softball

Answer:

Yes

Step-by-step explanation:

The teacher can conclude that basketball is probably the least popular activity across the whole school becasue the sample of students was random. It represents the most and least popular activities to play every Friday.

9=3/2x step by step ASAP

Answers

Answer <3

Hello there! I'm here to help with your question!

I believe the answer is x= 6

The explanation:

9 = [tex]\frac{3}{2}[/tex] x

9 =[tex]\frac{3x}{2}[/tex]

9 = [tex]\frac{3x}{2}[/tex]

2 · 9 = · [tex]\frac{3x}{2}[/tex]

2 · 9 = 2 · [tex]\frac{3x}{2}[/tex]

2 · 9 = 3x

x = 6

---------------------------------------------------------------------------------------------------------

Last messages:

I'm truly sorry if this is wrong.

Please forgive me.

Bye! - Lilo <3

The table shows how much Noah earns each day. About how much money did Noah earn altogether? Use the table and rounding to choose the estimate.



$15 to $16


$11 to $12


$13 to $14


$17 to $18

Answers

Answer:$13 to $14

Step-by-step explanation:

4.17= 4

3.19=3

2.86=3

3.75=4

Add them all up and you get 14.

Solve the actual equation to check your work

(Btw it equals 13.77 if you don't estimate)

The answer is $13-$14 because when estimating you should round up Wednesday to 3 and Thursday to 4. But the others should just round to the number before the decimal.

Can you please help me with this question?

x + 20 ≤ -10

Answers

Answer:

[tex]x\leq -30[/tex]

Hope This Helps! :)

Answer:

x≤-30

Step-by-step explanation:

Since you want to get x by itself subtract 20 from both sides, this will leave x by itself and -10-20=-30 giving the answer above.

Pls help this is due today! PLS DO NOT GIVE ME WEBSITES!

Answers

Answer:864m^2

Step-by-step explanation:

18*18=324

18*30=540

540+324=864

Answer:

684 m.

Step-by-step explanation:

First you divide the shape into one rectangle and one square. You first multiply 18 x 18 for the square to find the area, which equals to 324. Then you do 18 x 30, as the sides are equal. this equals to 540. Now, you add up 324 and 540. You will get the total of 684.

Which dot plot shows most of the values clustered around 2, 3 and 7, 8, 9?


W.
X.

Y.
Z.
A.
Z
B.
W
C.
Y
D.
X

Answers

Answer:

w plot shows most of the values clustered around 2,3 and 7,8,9.

help please!
write percents 1. 6 31/33 2. 1/8


write as decimal 1. 5 4/25 2. 3/8

Answers

Percentage : 1. 563% 2. 12.5%
Decimal : 1. 0.8 2. 0.375
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