MATHEMATICS HIGH SCHOOL

A student bought a pair of sunglasses in the USA.He paid $35.50
In England, an identical pair of sunglasses costs £26.99
The exchange rate is £1 = $1.42
In which country were the sunglasses cheaper, and by how much?

Answers

Answer 1
Answer:

You almost have it!!!

all you do is multiply 26.99*1.42

this equals 38.33 dollars

35.50 is less than 38.33

thus, USA is cheaper than England.

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If f(c) = 0, which of the following statements must be true?A. The point (c,0) lies on the graph of f(x) B. x - c is a factor of f(x). C. c is a 0 for f(x). D. All three statements are true.
Find the least number by which 1470 must be divided to get a number which is the perfect square?
Given f(t)=t to the power of 4 +t² -5, find the value of f(b) - f(-b)

Which measurement is the best estimate for the length of a bean?A : 13 mm

B : 13 cm

C : 13 m

D : 13 km

Answers

The best estimate for the length of a bean would be B: 13 cm

Answer:

13mm

Step-by-step explanation:

Identify whether these series are divergent or convergent geometric series and find the sum, if possible.

Answers

A geometric series:
\sum^(\infty)_(i=1)=a_1 * r^(i-1)
It's convergent if |r|<1.
It's divergent if |r|≥1.
The sum can be found if it's a convergent series; it's equal to (a_1)/(1-r).

3.
\sum^(\infty)_(i=1) 12 ((3)/(5))^(i-1) \n \na_1=12 \nr=(3)/(5) \n \n|r|<1 \hbox{ so it's convergent} \n \n\sum^(\infty)_(i=1) 12 ((3)/(5))^(i-1)=(12)/(1-(3)/(5))=(12)/((5)/(5)-(3)/(5))=(12)/((2)/(5))=12 * (5)/(2)=6 * 5=30

The answer is: This is a convergent geometric series. The sum is 30.

4.
\sum^(\infty)_(i=1) 15(4)^(i-1) \n \n a_1=15 \n r=4 \n \n |r| \geq 1 \hbox{ so it's divergent}

The answer is: This is a divergent geometric series. The sum cannot be found.

Which ordered pair could represent the x-intercept?a
0, 4
b
4, 4
c
4, 0
d
None of these

Answers

The ordered pair could represent the x-intercept (4, 0). Thus, option (C) is correct.

The x-intercept is the point where a graph intersects the x-axis.

At this point, the y-coordinate is zero (0).

Therefore, the ordered pair representing the x-intercept will have a y-coordinate of 0.

Also, the standard form to write the x intercept is (x, 0).

a) 0, 4

Not represent the x-intercept.

b) 4, 4

Not represent the x-intercept

c) 4, 0

Represent the x-intercept, because the y-coordinate is 0, which is what we expect for an x-intercept.

d) None of these

Thus, option (C) is correct.

Learn more about Intercept here:

brainly.com/question/32051056

#SPJ3

Answer:

Which ordered pair could represent the x-intercept?

a. (0, 4)

b. (4, 4)

c. (4, 0)✓

d. None of these

Step-by-step explanation:

Ordered pair which represent the x-intercept i.e., value of x axis is 'a' and y axis is 0 is c. (4,0).

Hence, (4,0) is the right answer.

A school has $ 15,000 to spend on computer monitors the school plans to purchase 200 monitors for $89 each a teacher completes the calculations below and concludes that the has enough money to buy the monitors 200 times 89 = 200 times 8 + 200 times 9 = 1,600 +1,800 =3,400

Answers

Answer:

They cannot afford the monitors

Step-by-step explanation:

Given that the cost of a monitor is $89

and the school is willing to buy up to 200 monitors

We can calculate the total cost of all the 200 monitors as

200*89= $17,800

Given that the school only has $ 15,000 to spend on the monitor

they cannot afford the amount as they still have a deficit of $2,800

On monday morning, there were 30 tickets available for a concert. if 1/3 tickets were sold on monday and 1/5 of those left were sold on tuesday, how many tickets were still available after tuesday's tickets sales? Help please

Answers

1/3 of 30 = 10
30-10= 20
1/5 of 20 = 4
20-4= 16

there were 16 tickets remaining!
I dont have a calculator but i can help you work through it

In order to join an online learning community, there is there is a $20 startup fee and $5 monthly fee. Write an equation in slope-intercept form that model this situation

Answers

Answer:

y = 5x + 20

Step-by-step explanation:

Answer:

Y=5x+20

Because 20 is a fee that is in constant value and shouldn't be correlated with the amount of months using the subscription. 5 is the amount charged every month you keep the subscription. Y is outcome of cost, and x is the amount of months.
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