Mathematics Middle School

In the figure at the right, what is m∠1 if m∠3 = 70°?
plz help i beg i will give brailist and 20 points

Answers

Answer 1

Answer:

m∠1 = 70°

Step-by-step explanation:

m∠1 and m∠3 are vertical angles; vertical angles are congruent (equal).

m∠1 = m∠3.

Answer 2

Vertically opposite angles are always equal.
Which means :
Angle 1 = Angle 3
Thus, the measure of angle 3 = 70°
▪︎Therefore, the correct option is 70

Related Questions

Help me with this pls!
Side note: tell me your favorite big time rush member
if you type mine, ill give you a brainliest

Answers

Answer:

kendall cause he is from the same state as me

Step-by-step explanation:

The answer is 1 i think

Carlos cuz he had the helmet

CAN SOMEONE HELP ME I DONT KNOW WHAT IM FREAKING DOING

Answers

Answer:

18 qts

Step-by-step explanation:

Since 1 gallon=4qts, you would multiply the gallons by 4 to reach your answer. 4.5 gallons=18qts

Answer:

It would be 18 quarts

Step-by-step explanation:

Hope this Helps!

How do you find the area of a triangle?
Example on picture

Answers

I think the answer is 189

Answer:

To find the area of the triangle, you have to follow the formula 0.5*b*h. B is the length of the base of the triangle, and h is the height.

Need Help Quick Please!
Solve for x.

−1/5 (x − 4) = −2

Enter your answer in the box.

x =

Answers

The answer should be (x-4)2

HELP ME PLS PLS PLS and thank you pls do it quik

Answers

1331 is the answer my guy

Answer:

Sorry, I'm late

Step-by-step explanation:

It would be D because it would be 11 cubed or 11 to the third power. So 11x11x11. 11x11=121. 121x11=1,331

helppp
________________________________________
1. Write the multiplication sentence modelled by the shaded region in each rectangle.

________________________________________
4. Use the area model below to calculate each product.

1/3 x 1/4= _______ 2/5 x 3/4= _______
3/5 x 1/4=_______ 1/5 x 1/2=_______
3/5 x 1/2=_______
_________________________________________
- Look for a pattern in the numbers. Describe a relationship between the numerator and the denominator of each answer fraction and those of the fractions being multiplied.
__________________________________
__________________________________
____________________________________________________
5. Determine each product.
a) 3/4 x 2/5 = ________ b) 5/8 x 2/3= ________
c) 4/7 x 2/3= ________ d) 2/3 x 7/10= ________
____________________________________________________
HELPPP!! ILL GIVE U BRAINLIST IF U DO ALL!! AND A THANK YOU!!+ THE POINTS!!

Answers

4 is 1/15 for 1 6/20 for 2 3/20 for 3 1/10 for 4 3/10 for the last on

Tell whether the angles are complementary or supplementary. Then find the value of x.

this just confused me a bit. x - 20? They are complimentary so ik the other side has to be 20

Answers

As you should already know that the angle shown is 90°.

So,

x + (x - 20) = 90

Now we have to solve for x. To find x we need to isolate it (get it by itself)

Add 20 on both sides:

x + x = 110

Simplify:

2x = 110

Now divide 2 on both sides (to get x by itself)

x = 55

Let’s check our answer:

55 + ( 55 - 20) = 90

55 + 35 = 90

90 = 90

So your answer should be x = 55.

Please help!!!! At a gymnastics meet, a gymnast scored an 8.95 on the vault and a 9.2 on uneven bars. Write two equivalent expressions that could be used to find her total score. NO LINKSSSSSSSSSSSSSSSSSSSSSSSSSSS

Answers

8.95 + 9.2 not sure

The number of toys owned by eight classmates is shown below:

4, 3, 4, 5, 6, 6, 8, 4

Part A: What is the mean of the data? Show your work.

Part B: Use your answer from Part A to calculate the mean absolute deviation for the data. Show your work.

Answers

Answer:

Part A: 5

Step-by-step explanation:

4+ 3+ 4+ 5+ 6+ 6+ 8+ 4= 40

so there is 8 numbers which means that we need to do 40 divided by 8=5

Part b: i dont know how to explain but the mad is 1.25.

The mean of given data is 5 and mean deviation is 1.25

What is mean deviation?

The mean deviation is defined as a statistical measure that is used to calculate the average deviation from the mean value of the given data set.

Mean = Sum of all observation/ Number of observation

= 40 / 8

= 5

X F XF |[tex]d_{i}[/tex]| FD

3 1 3 2 2

4 3 12 1 3

5 1 5 0 0

6 2 12 1 2

8 1 8 3 3

Mean Deviation = ∑FD/n

= 10/8

= 1.25

Thus, The mean of given data is 5 and mean deviation is 1.25

Learn more about Mean deviation from:

https://brainly.com/question/10528201

#SPJ2

Angle relationship-error analysis

Answers

Answer:

Step-by-step explanation:

Answer:

Step-by-step explanation:

51. Find the length of the unknown side x of this triangle, evaluate your answer to two decimal places.

Answers

Answer:

See work, below.

Step-by-step explanation:

The radius of this circle is 10 and so the diameter is 20. The measure of the angle opposite side x is found as follows:

adj side

cos theta = ------------------- = 18/20. Find theta:

hypotenuse

theta = arccos 18/20 = 0.451 radian.

Now use the sine function to find x:

x x

sin 0.451 radian = ------------------- = ------------- = 0.651

hypotenuse 20

which results in x = 20(0.651) = 13.02

x = 13.02 units

I should have used the Pythagorean Theorem up front.

18² + x² = 20² becomes x² = 400 - 324 = 76, and so x = √76 ≠ 8.72

number one please no links

Answers

12 forksKnives = xForks = 2xSpoons = 2xx + 2x + 2x = 305x = 30x = 6Knives = 6Spoons = 12Forks = 12Please let me know if I am wrong.

12 forks

It’s pretty self explanatory

Which of the following is a rational number but NOT an integer?
4
-8
13/2
2.498546426537 ......

Answers

Answer:

d option is the correct option because it can be expressed as fraction

D is the correct answer why becuz it just is

please help thank you

Answers

Answer:

x ≥ -4

Step-by-step explanation:

you subtract 10 on both sides to get x by itself. 6-10 = -4. since you already have x by itself you don’t have to do anymore

Answer:

The answer is x ≥ -4

Step-by-step explanation:

First, subtract 10 from both sides.

x + 10 ≥ 6

- 10 - 10

Which would make x ≥ -4.

Please i need help!!

Answers

Answer:

Option B is correct

Step-by-step explanation:

because when you compare the table with graph you can understand easily.

Option B would be correct because if there is one cat that has the frequency of two dots, two cats have the frequency of 3 dots, three cats have the frequency of 1 dot, and 4 cats have the frequency of 4 dots, then it would be correct.

write ur solution as an inequality: if 3

Answers

I think the answer to you question would be -3 I’m not sure but I hope this works :)

-3 is the answer for you me question

questions in the files! please answer fast i will give brainless if you answer all of them!

Answers

The answer would be
1- b and d
2-A
3-the function has a greater slope
4-A
5-Bestest buddy

4= A and the rest not sure

28 out of 50 8th graders said they prefer snow to rain. 42 out of 58 10th graders said they prefer snow. did a larger percentage of 8th graders or 10th graders prefer snow?

explanation please

Answers

A larger percentage of 10th graders preferred snow.

Answer:

10th graders prefered snow then 8th graders did.

Step-by-step explanation:

Hey I hope I will be able to help!

To find out the percentage we need to divide the fractions-

28 divided by 50 = 0.56 and in percentage form its 56%

42 divided by 58 = approximately 0.72 which is 72%

56% < 72%

72% is obviously greater so 10th graders prefer snow more than 8th graders do.

Please give brainliest if this was helpful!

This question is a Circumference (in terms of pi) Can anyone solve it?

Answers

Answer:

26π

Step-by-step explanation:

C=2Πr

r=13

c=2(13)π

=26π

If it cost $1.68 for 3 bars of chocolate, what is the unit rate?

Answers

the unit rate is $0.56 /chocolate bar

56 cents because 168/3 is 56

A. It shows the unit rate of the graph in hours per mile
B. It shows the unit rate of the graph in miles per hour.
C. It shows the time, in hours, it takes the towboats to travel in 1 mile.
D. It shows the distance traveled, in miles, by the towboat after 5.25 hours.

Answers

I think the Answer is D

The answer is B because the hours would be the bottom intervals of 1 and the distance traveled (in miles) is the constant of 5.25. So, overall in one hour, you would’ve traveled 5.25 miles. (It’s like driving a car... you’d be going at a speed of 5.25 mph (which is kinda slow).

A prism has a cube-shaped hole in the middle of it. The cube measures 3 cm by 3 cm by 3 cm. What is the volume of the prism?

Answers

Answer:

27 cubic inches :)

Step-by-step explanation:

It’s 27 because 3 x 3 is 9 and 9x3 is 27 so that’s the answer

17. If the radius of a circle equals $$ cm, find its circumference correct to three decimal places.

Answers

I do not know what “$$” is, but you need to find half of that to get the diameter then multiply by pi to get the circumference so it’s be
1/2($$)•pi

an elevator traveled up 8 floors and then down to the second floor. how many floors did the elevator travel down?

Answers

If the elevator went up 8 floors and then down to the second floor, then you have to do 8-2=6

The traffic-control monitor on the freeway shows 200 vehicles per minute passing the camera in 5 minutes. Of those vehicles, on average, 125 have one passenger, 60 have four or fewer passengers, and 15 have more than four passengers. What is P(vehicles with more than four passengers)?

Answers

Answer: maybe 7.5

Step-by-step explanation: I don't really know the question isn't real clear

I really need help finding the surface area

Answers

There are 4 triangles and the formula for the area of a triangle is 1/2BH so 11x10 is 110 and then take half of that and you’ll get 55. Since there are 4 triangles you need to then multiply that by 4 to get 220. And then you have to find the area of the square base which is 11x11 which will come out to 121. So you add the 220 and 121 to get 341.

what is the area of the triangle?

Answers

Answer:

S = S(ABCD) - S(BCE) - S(AED) = 7*6 - 2*6/2 - 5*6/2 = 42 - 6 - 15 = 21

Step-by-step explanation:

If we look at the picture, we can notice that the area we are interested in is S(ABCD) - S(BCE) - S(AED). Y-axis is parallel to AB line since the coordinates of the A and B points have the same X-axis value.

The following calculations happend for figuring out the width for each line:

AB = | -3 - 4 | = 7BC = | -4 - 2 | = 6CE = | 4 - 2 | = 2ED = | 2 - (-3) | = 5AD = | -4 - 2 | = 6

The formulas for each figure area:

S(ABCD) = AB * BCS(BCE) = BC * CE / 2S(AED) = ED * AD / 2

i agree that it is 21

Solve the given equation.

v + 13 = 40
what is v

Answers

V = 37

Step-by-step explanation:

40-13 =27
27+13=40
v=27

Roger has two dogs which are named Sparky and Cookie. The relationship of Sparky’s age, s, and Cookie’s age, c, can be represented by the equation shown below. s = c + 4 *
HELP!!!!
All of the factory workers in a steel mill either purchased their breakfast in the company cafeteria, or brought their breakfast from home on Wednesday. • 26% of the factory workers purchased their breakfast. • 148 brought their breakfast from home. How many factory workers are employed at the steel mill?

Answers

Answer:

1. Sparky is 4 years older than cookie?..

^ not sure what exactly it is asking!

2. There are 200 factory workers employed at steel mill

A right rectangular prism has a length of 2 ½ feet, a width of 3 feet, and a height of 1 ½ feet. Unit cubes with side lengths of ½-foot are added to completely fill the prism with no space remaining. What is the volume, in cubic feet, of the right rectangular prism?

Answers

Answer:

n=90

Step-by-step explanation:

As I think it is easy to answer the volume of prism I will also calculate no of small prism that can fit inside the larger one

so volume = length * width * height

volume of larger prism

vp=45/4 ft^3 =11.25

volume of small cubes

vs=1/2*1/2*1/2

vs=0.125 ft^3

now numbers of cube that can fit

n=vp/vs

n= 11.25/.125

n=90

so 90 smaller cubes will completely fill in the prism

Answer:

11.25 [tex]ft^3[/tex]

Step-by-step explanation:

2.5 x 3 x 1.5 = 11.25 [tex]ft^3[/tex]

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In the figure at the right, what is m∠1 if m∠3 = 70°? plz help i beg i will give brailist and 20 points

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In the figure at the right, what is m∠1 if m∠3 = 70°?
plz help i beg i will give brailist and 20 points