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inessss [21]
3 years ago
11

Tenho que compra lápis e canetas. Se comprar sete lápis e três canetas, gastarei R$16,50. Se comprar cinco lápis e quatro caneta

s, gastarei R$15,50. Qual o preço de cada lápis e de cada caneta?
Mathematics
1 answer:
pentagon [3]3 years ago
7 0
In American: I have to buy pencils and pens. If I buy seven pencils and three pens, I'll spend $ 16.50. If I buy five pencils and four pens, I'll spend $ 15.50. What is the price of each pencil and pen?
Idk the answer
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Find the area to this figure
12345 [234]

I think the answer is 62 cm2

7 0
3 years ago
At the Butler Ski Resort, it snowed 1/2 of a foot yesterday and 1/5 of a foot today. How much more did it snow yesterday than to
barxatty [35]

It snowed \frac{3}{10} foot more yesterday than today

<em><u>Solution:</u></em>

Given that, At the Butler Ski Resort, it snowed 1/2 of a foot yesterday and 1/5 of a foot today

From given information,

\text{Snowed yesterday } = \frac{1}{2} \text{ foot }\\\\\text{Snowed today } = \frac{1}{5} \text{ foot }

<em><u>To find: how much more did it snow yesterday than today</u></em>

So we have to find the difference between snowed yesterday and today

\text{Difference} = \text{Snowed yesterday } - \text{ snowed today }\\\\\text{Difference} = \frac{1}{2} - \frac{1}{5}\\\\\text{Difference} = \frac{1 \times 5}{2 \times 5}-\frac{1 \times 2}{5 \times 2}\\\\\text{Difference} = \frac{5}{10}-\frac{2}{10}\\\\\text{Difference} =\frac{3}{10}

Hence it snowed \frac{3}{10} foot more yesterday than today

3 0
2 years ago
Please answer all part correct​
insens350 [35]

Answer:

a). We want to know how much each point was worth.

b). 12x+5=41

c). Each problem worth 3 points.

Step-by-step explanation:

a). We want to know how much each problem was worth. Because we have the total points of the test, and how much was the bonus. But we still don't know the worth of each problem.

b). We know that the total points of the test were 41, and the bonus 5 points. There were 12 problems on the test and we are going to use "x" for the unknown part (how many points each problem was worth).

The equation is :

12x+5=41

Why 12x? Because if you multiply the twelve problems of the test with the worth of each one and then add the 5 points of the bonus you will obtain the total points of the test (41).

c). Now we have to solve the equation, this means that we have to clear "x":

12x+5=41

Subtract 5 from both sides.

12x+5-5=41-5\\12x=36

Finally divide in 12 both sides of the equation:

\frac{12x}{12}=\frac{36}{12} \\\\x=3

Then each problem worth 3 points.

7 0
3 years ago
A lilac Bush is 2m tall.A rose Bush is 165cm tall.The lilac bush is how many centimeters taller than the rose bush?
torisob [31]

Answer:

35 cm

Step-by-step explanation:

2m = 200cm

200cm-165cm=35cm

4 0
2 years ago
The shaded region displayed in the graph does not include the dashed line. Which of the following best represents all the shaded
Alborosie
It would be k because anytime a line is dotted it uses the symbol < or >
3 0
1 year ago
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