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yKpoI14uk [10]
3 years ago
10

Pleaseee fasttt :(:(:(

Mathematics
2 answers:
motikmotik3 years ago
8 0
It’s should be -30 instead of 30 so the answer would be y= -3
grandymaker [24]3 years ago
5 0

Answer: (11, -3)

Step-by-step explanation:

4x=20-8y

-4x+2y=-50

-(20-8y)+2y=-50

y=-3

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Sam raked 3 bags of leaves in 16 minutes. If he continues to work at the same rate, about how long will it take him to rake 5 ba
kicyunya [14]

Answer:

26 minutes and 40 seconds

Step-by-step explanation:

5 0
3 years ago
54 and 67 use numbers and operations to write each phrase as an expression
arsen [322]

The phrases you would like to be written as expressions are not listed. I would nevertheless, explain how to write phrases as expressions so that the same approach could be applied to you own question.

Phrases are dynamic, depending on the problem. They do not necessarily take a particular form.

The constant thing about phrases is the operators connecting the words in the phrases. Theses operators are:

Addition (+), Subtraction (-), Division (÷), and Multiplication (×).

In word problems, it is a matter of interpretation, these operators can be written in many ways.

ADDITION

plus

the sum of

increase

grow

add

profit

And so on.

SUBTRACTION

minus

loss

decrease

reduce

subtract

And so on

MULTIPLICATION

times

multiply

triple

And so on

DIVISION

split

share

divide

distribute

And so on.

Examples

(1) 56 is added to a number to give 100

Interpretation: x + 56 = 100

(2)The difference between Mr. A and Mr. B is 5

Interpretation: A - B = 5

(3) This load (L1) is three times heavier than that one (L2)

Interpretation: L1 = 3L2

(4) Share this orange (P) equally between the three children

Interpretation: P/3

7 0
3 years ago
Hi i really need help
zepelin [54]

Answer:

D

Step-by-step explanation:

5 0
4 years ago
Read 2 more answers
Which angles are pairs of alternate exterior angles? Check all that apply.
Gnom [1K]
Answers: 
1. Angle 5 and angle 11
5. Angle 4 and angle 6

================================================

Explanations:

Let's go through the list of possible choices and check each one.

For each of these, I'll refer to the attached image. 

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

1. Angle 5 and angle 11

Note how I labeled the lines A through D (as well as color-coded them). Imagine if line A and line B were made to be parallel lines. Line D is the transversal cut that helps generate angle 5 and angle 11. We'll be focusing on this tranversal. Ignore line C entirely for now.

We can see that angle 5 and angle 11 are on the outside of the "parallel" train tracks that A and B form. That makes them exterior angles. The two angles are on alternate sides of the transversal cut line D. All together, they are alternate exterior angles. 

This is one of the answers

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

2. Angle 7 and angle 12

Again focus on only line A, B, and D. Ignore line C. Angle 12 is exterior but angle 7 is an interior angle. It is between the two "parallel" train tracks line A and line B. 

Cross this off the list.

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

3. Angle 11 and angle 16

This time we'll imagine that line C and line D can be rearranged to be parallel. Line B is the transversal cut we want. Ignore line A entirely.

Angle 16 and angle 11 are exterior angles with regards to the lines mentioned above; however, they do not alternate on opposite sides of line B. These two angles are same side exterior angles. 

Cross this off the list.

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

4. Angle 2 and angle 14

These two angles are corresponding angles. Imagine line A and B are laid parallel with line C as the transversal cut. 

Angle 2 and angle 14 are on the same side of the transversal cut. The two angles are both above their adjacent line (A and B)

Cross this off the list.

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

5. Angle 4 and angle 6

Imagine that line C and line D can be rearranged to be parallel. Line A is the transversal cut we want. Ignore line B entirely.

Based on that set up, we can see that angle 4 and angle 6 are indeed alternate exterior angles.

This is one of the answers

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

6. Angle 8 and angle 10

These are alternate interior angles. It might help to erase line C. It might also help to arrange line A to be parallel to line B. 

Cross this off the list.

8 0
4 years ago
A pudding recipe for 50 people calls for 4 cups of suger. Each bag contains 6 cups of suger how many bags of suger will be neede
Mashutka [201]

Answer:

4 bags

Step-by-step explanation:

50 people = 4 cups

300 people = 24 cups

24 cups ÷ 6 cups a bag = 4 bags

5 0
3 years ago
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