Mathematics Middle School

Guys I know it a lot but I only need help with number 1. Can I get some help before tomorrow please,do not take points if you don't know

Answers

Answer 1

Answer:

2x+y=10

Step-by-step explanation:

plzz mark me brainliest as it need it to level up

Answer 2

Answer:
10=2x+y

Explanation:
Let x be equal to the first number.
Let y be equal to the second number.

The question tells us that 10 is equal to double the first number plus the second number.

We can translate this information into an equation by looking at key words and translating them into math.

Key words:
equal: =
double: *2
plus: +

Using this, we get the equation 10=2x+y.

I hope this helps! Please comment if you have any questions.

Related Questions

Refer to the above model. What processes are occurring along arrows D and E to turn both sedimentary rocks and igneous rocks into metamorphic rocks?

A. melting and cooling

B. erosion and deposition

C. high temperatures and cementation

D. extreme heat and pressure

Answers

D - extreme heat and pressure

In order for a rock to be transformed and metamorphic, it has to experience extreme heat and pressure, which is what is being shown in the diagram.

PLS ANSWER
I will mark Brainlist

Answers

Answer:

b, d, e

Step-by-step explanation:

a.) =5.3

b.) =5.301

c.) =5.29

d.) =5.33

e.) =6.21

the other person is correct. have a wonderful day/year/month

also, just turn on the music- daft punk.... :)

(-4/5) X - 5 = -35
Can Someone solve for X

Answers

Answer:

x= [tex]\frac{72}{2}[/tex]

Step-by-step explanation:

A sewing club used 48 feet of fabric to make 8 blankets. At this rate, how many blankets can be made from 36 feet of fabric?

Answers

Answer:

Step-by-step explanation:

48/8 = 6

36/6= 6

they make a blanket out of 6 feet of fabric

Overestimate the grocery bill with items that cost: $8.56, $5.34, $34.25, and $6.80.

A.$56.00

B.$58.00

C.$57.00

D.$55.00

PLEASE HELP ME I BEG YOU

Answers

Well if you had up all the answers you get $54.95 so choose 55

A hope that can help you out

sorry forgot to add the answers
If a piece of ribbon is 4 and 3 over 4. feet long, how long is it in inches?

48 inches
57 inches
60 inches
62 inches

Answers

Answer:

Step-by-step explanation:

just trust me i know it i did the math

4 ¾ feet = 4 × 4 + 6 / 4

4 ¾ feet = 19/4 feet

1 foot = 12 inches

Then , 19/4 feet = 19/4 × 12 inches

= 19/4 × 12

= 19 × 12 / 4

= 228/4 inches

= Both the numerator and denominator are divisible by 4 .

Hence ,

= 228 ÷ 4 / 4 ÷ 4

= 57/1

= 57 inches

Therefore , a piece of ribbon which is 4 ¾ feet long in inches :

57 inches

How do I simplify radicals?

Answers

Answer:

Step 1: Find the prime factorization of the number inside the radical. Start by dividing the number by the first prime number 2 and continue dividing by 2 until you get a decimal or remainder. Then divide by 3, 5, 7, etc. until the only numbers left are prime numbers. Click on the link to see some examples of Prime Factorization. Also factor any variables inside the radical.

Step 2: Determine the index of the radical. The index tells you how many of a kind you need to put together to be able to move that number or variable from inside the radical to outside the radical. For example, if the index is 2 (a square root), then you need two of a kind to move from inside the radical to outside the radical. If the index is 3 (a cube root), then you need three of a kind to move from inside the radical to outside the radical.

Step 3: Move each group of numbers or variables from inside the radical to outside the radical. If there are nor enough numbers or variables to make a group of two, three, or whatever is needed, then leave those numbers or variables inside the radical. Notice that each group of numbers or variables gets written once when they move outside the radical because they are now one group.

Step 4: Simplify the expressions both inside and outside the radical by multiplying. Multiply all numbers and variables inside the radical together. Multiply all numbers and variables outside the radical together.

Example:

Example 1 – Simplify: Example 1

Step 1: Find the prime factorization of the number inside the radical.

252=2*2*3*3*7

Step 2: Determine the index of the radical. In this case, the index is two because it is a square root, which means we need two of a kind.

√252= √2*2*3*3*7

Step 3: Move each group of numbers or variables from inside the radical to outside the radical. In this case, the pair of 2’s and 3’s moved outside the radical.

2*3√7

Step 4: Simplify the expressions both inside and outside the radical by multiplying.

6√7

Pls Mark Brainliest

Step 1: Find the prime factorization of the number inside the radical.
Step 1
Step 2: Determine the index of the radical. In this case, the index is two because it is a square root, which means we need two of a kind.
Step 2
Step 3: Move each group of numbers or variables from inside the radical to outside the radical. In this case, the pair of 2’s and 3’s moved outside the radical.
Step 3
Step 4: Simplify the expressions both inside and outside the radical by multiplying.

What is the slope of this line?
Enter your answer as a fraction in the simplest term in the box.

Answers

Answer: 1

Step-by-step explanation: this is correct

Answer:

-1/1

Step-by-step explanation:

Im taking the test

Fifteen points! HELP!

Answers

Answer:

X would equal 3

Step-by-step explanation:

25-16 would equal 9 and then would would divide by 2 to get 3

Answer : 125

Step-by-step explanation:

Cube

Solve for volume

V=125cm³

Answer:

125 cm^3

Step-by-step explanation:

5^3 = 125 cm^3

Patty can make 10 purses in 8 hours. At this rate, how many purses can she make in 28 hours?

Answers

Answer:

35 purses

Step-by-step explanation:

Set up a proportion, where x is the number of purses she can make in 28 hours:

[tex]\frac{10}{8}[/tex] = [tex]\frac{x}{28}[/tex]

Cross multiply and solve for x:

8x = 280

x = 35

So, in 28 hours, she can make 35 purses

Answer:

Step-by-step explanation:

PLEASE HELP ME I NEED THIS ASAP
The number is odd.
Its only two factors are prime numbers.
The sum of the two factors is a factor of 36.
The number is greater than 50 but less than 75.
What is the mystery number?

Answers

Answer:

Step-by-step explanation:

13*5=65

13 is a prime number and so is 5

13+5=18

18 is a factor of 36

the answer is 65

The answer would be 65

Show that you get the same prime factorization of 120 whether you begin with 120 = 2 × 60 or with 120 = 10 × 12.

Answers

Answer:

2 -> 2

60 -> 5 x 3 x 2 x 2

120 -> 5 x 3 x 2 x 2 x 2

10 -> 2 x 5

12 -> 3 x 2 x 2

120 -> 5 x 3 x 2 x 2 x 2

Step-by-step explanation:

Good luck ;)

HI HOPE THIS HELPS oop caps

2 = 2

60 = 5 x 3 x 2 x 2

120 = 5 x 3 x 2 x 2 x 2

10 = 2 x 5

12 = 3 x 2 x 2

120 = 5 x 3 x 2 x 2 x 2

PLZZZZZZZZZZZZZZZZZ HELP ME WITH THIS IT DUE TODAY and explain!!!!!
1 is the first image question

2 is second image question

Part 2 :
1.-(-½ )-3(-2)

2.-20 ÷ (4 − (10 − 8))

3. -(7-9)-2[-5-(-9)]

Evaluate each expressions below.

4.-3x8-2x7-8x9

5. 4[30-(10-2)x3]

Answers

Answer:

1. 6 1/2 or 6.5 or 13/2

2. 10

3. -6

4. −8x9+3x8−2x

5. −32x3+120

hope this helped :)

Step-by-step explanation:

im not sure what you mean by image questions, but ill help you with part 2!

1. lets do this equation using PEMDAS

-(-1/2) - (3)(-2)

(1/2) - (-6)

1/2 + 6=

6 1/2 or 6.5 or 13/2

2. -20 ÷ (4 − (10 − 8))

-20 ÷(4-(2)

-20 ÷(2)

-10

-(7−9)−2(−5−(−9))

−(−2)−2(−5−(−9))

2−2(−5−(−9))

2−(2)(4)

2−8

−6

4. 3x8−2x7−8x9

i think all you have to do here is rearrange the order

−8x9+3x8−2x

5. 4[30-(10-2)x3]

(4)(30+−8x3)

(4)(30)+(4)(−8x3)

120−32x3

−32x3+120

Please answer all questions, will also give brainiest.

Answers

1) 5 cups of yellow paint; because if 10 cups of yellow paint are used for 2 cups of blue paint, then you would use 5 cups of yellow paint to even out the pigment of one cup of blue.
2) 3 cups of blue paint, and 15 cups of yellow paint
3) 5 cups of yellow for every cup of blue paint
4) for every cup of blue paint 5 cups of yellow are used to get the same shade of green

1. 5 cups of yellow paint

2. 3 cups of blue paint 15 cups of yellow paint

3. 5 cups of yellow

4. for every cup of blue paint 5 cups of yellow are used

sry if wrong

So i'm having difficulty understanding this "When multiplying the same base raised to an exponent __ the base and __ the exponents" Please help i do not understand this.

Answers

When multiplying two exponential expressions with the same base, the product has the same base with an exponent that is the sum of the exponents of the factors.

Answer:

When multiplying the same base raised to an exponent, keep the base and add the exponents.

Step-by-step explanation:

The exponent "product rule" tells us that, when multiplying two powers that have the same base, you can add the exponents. In this example, you can see how it works. Adding the exponents is just a short cut! The "power rule" tells us that to raise a power to a power, just multiply the exponents.

I hope this helped you understand more!

4/h = 2 ...................

Answers

Answer:

h=2

Step-by-step explanation:

4/2 =2/1=2

Answer:

Step-by-step explanation:

The first one is done for you.

a. Convert weeks to days.

6 weeks = 6 × (1 week)

= 6 × (7 days)

= 42 days

Show your work on paper, and enter your final answer.

b. Convert years to days.

7 years = ___________ × ( ___________ year)

= ___________ × ( ___________ days)

= ___________ days
Enter your final answer

Answers

7 years = 7 x 1 year
= 7 x 365 days
= 2,555 days

7 years = 7x(1 year)
=7 x (365 days)
= 2,555 days

(9x9)+(45x2) divide by 28+(23x2)

Answers

Answer:

21 is

⋅

and 28 is

⋅

. so dividing both by 7 we can get the simplest form of

Step-by-step explanation:

=28+46/81+90
=76/171
=2.25

If you could help I would appreciate it I

Answers

Answer:

Step-by-step explanation:

i used a calculator and the rounded

Answer:

Step-by-step explanation:

a car travels 100 kilometers east in 2 hours and 30 kilometers north in a half an hour. what is the average speed of the car?

Answers

Average speed= total distance covered/total time taken

Total distance=100+30=130k.m

Total time =2+1/2 hour=2.5 hours

Average speed =130/2.5=1300/25=52 km/h

A snake dives toward deeper water at a rate of 10 inches per second. If the snake continues at this speed for 7 seconds, which expression represents this situation?

A. 7(−10)
B. −7(−10)
C. 7÷10
D. 7÷(−10)

Answers

Answer:

Step-by-step explanation:

The snake is diving deeper, meaning it is going below the surface which is represented by - numbers... time is never negative, therefore the answer can not be B.

C hope that can help you out

What form is the equation below written in?

Answers

Answer:

Slope intercept

The answer is: a Slope intercept

The table shows the time Merrida spent driving and the number of miles she drove. She drove the same number of miles each hour.

Answers

Answer:

I don't see the chart, but to find the speed in miles per hour, just divide the number of miles, by the number of hours.

Step-by-step explanation:

Hope that helps.

You have to divide the number of miles from the number of hours!

Students were discussing what they had learned about minerals. They were debating the similarities of cleavage and fracture. Which group’s statement correctly describes how these two properties are alike?

A. Cleavage and fracture are both used to tell if an object is a mineral.

B. Both of these are properties that can help identify the color and hardness of minerals.

C. These two properties describe how minerals can break.

D. Neither of these properties are as useful as color in identifying mineral types.

Answers

I believe the answer is c

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Guys I know it a lot but I only need help with number 1. Can I get some help before tomorrow please,*do not take points if you don't know*

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Guys I know it a lot but I only need help with number 1. Can I get some help before tomorrow please,do not take points if you don't know