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statuscvo [17]
3 years ago
9

2x-y+3x=. when y is 4 and x is 3.

Mathematics
2 answers:
KIM [24]3 years ago
5 0

Answer:

2(3)-4+3(3)

Step-by-step explanation:

6-4+9=2+9=11

Gelneren [198K]3 years ago
3 0

2 x 3 - 4 + 3 x 3 = 11

Do PEMDAS.

Parenthesis

Exponents

Multiplication

Addition

Subtraction

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Mrs. Rogers sold 49 out of 78 crafts at the fair. What percent of her crafts did she sell? Show your
igor_vitrenko [27]

Answer:

62.8, 63% if you around it off.

Step-by-step explanation: Do 49 Divided by 78, then times it by 100 to get your percentage. I just rounded it off to the nearest tenth and whole number just in case. Hope this helped!

3 0
2 years ago
Answer all for points
IceJOKER [234]

Answer:

1. If we drink 8 glasses, we are drinking 2 L of water, so we are exceeding 1 L of water per day.

2. We need 100 sections.

I used metric conversion to convert km to meters.

3. 230 mL  of lemonade per person

I used metric conversion to convert L to ML

Step-by-step explanation:

1.  250 mL  = 1 glass

We are drinking 8 glasses

8 glasses * 250 ml/ 1 glass = 2000 mL

1 L = 1000 mL

2000 mL * 1 L/1000 mL =2 L

If we drink 8 glasses, we are drinking 2 L of water, so we are exceeding 1 L of water per day.

I used metric convertsion to convert mL to liters.

Guardrails sections to be 5m long

Road length that needs a guardrail is .5 km.  We need to convert this to meters  1000 m = 1 km

.5km * 1000m / 1km = 500 meters

We have 500 meters that needs guardrails.

500 meters * 1 section/ 5 meters = 100 sections

We need 100 sections.

I used metric conversion to convert km to meters.


3.  6.9 L of lemonade to serve 30 people.  We want to serve ml

Convert L to mL

1L = 1000 ML

6.9 L * 1000 ml/1L = 6900 mL

We need to divide 6900 Ml by 30 people

6900mL/30 people = 230 mL  of lemonade per person

I used metric conversion to convert L to ML


5 0
3 years ago
4 What is the slope of the line represented by the<br> table of values below?
Kobotan [32]

Answer:

(c) or 10 is the answer

Step-by-step explanation:

In order to find slope you have to follow the formula

(y2-y1) / (x2-x1)

That would give you the slope which in this case is 10.

8 0
3 years ago
The difference between a number and 10 is multiplied by 2. The answer is 6. What is the equation that represents this informatio
Rashid [163]
The expression is 10 - 7 x 2 = 6.

5 0
3 years ago
RIGHT ANSWER WILL RECEIVE BRANLIEST, FIVE STARS, AND A THANKS
LekaFEV [45]

Answer:

See below.

Step-by-step explanation:

An outlier can affect the mean by a lot.  For example, if my neighbor moves out and Bill Gates moves in (he would be a <u>super</u> outlier!), the mean annual income would increase enormously.

The median, on the other hand, would not change at all.  The income in the middle is still the income in the middle; Gates' income would not budge the median.

8 0
2 years ago
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