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Tomtit [17]
3 years ago
14

A group of friends bought 7 tickets to a dog show for 30$ each. How much did they spend on the tickets?

Mathematics
2 answers:
Karolina [17]3 years ago
6 0

Answer:

$210

Step-by-step explanation:

30*7= 210

kifflom [539]3 years ago
3 0

Answer: $210

Step-by-step explanation:

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3x2 + 5x - 7(x2 + 4)
goldenfox [79]

Answer:

-4x^2+5x-28

Step-by-step explanation:

Expand -7(x^2 +4) = 3x^2+5x-7x^2-28

Simplify 3x^2+5x-7x^2-28 = -4x^2+5x-28

5 0
3 years ago
Read 2 more answers
I need help going through the steps of a problem please tell steps and not just answer
mezya [45]

Answer:

x = 5/7

Step-by-step explanation:

4 (0.25 - 2) = x - 0.75 (16 - 8x)

1 - 8 = x - 12 + 6x

1 - 8 + 12 = x + 6x

5 = 7x

5/7 = x

4 0
3 years ago
A personal trainer determines that an individual will get the most benefit from a workout if they keep their heart rate at an av
Korvikt [17]

Using the confidence interval, it is found that the correct conclusion regarding the hypotheses test is given by:

Reject H0. There is convincing evidence that this individual’s true mean heart rate while working out differs from 150.

<h3>What are the hypotheses tested?</h3>

At the null hypotheses, it is tested if the mean is of 150, that is:

H_0: \mu = 150

At the alternative hypotheses, it is tested if the mean is different of 150, hence:

H_0: \mu \neq 150.

The confidence interval is (158, 167). Since it does not contain 150, we reject the null hypotheses, hence the correct option is:

Reject H0. There is convincing evidence that this individual’s true mean heart rate while working out differs from 150.

More can be learned about confidence intervals at brainly.com/question/25890103

#SPJ1

6 0
2 years ago
What part of 72 is 12
vladimir2022 [97]

Answer:

6 part.......................bcoz 72/12 = 6

4 0
3 years ago
Read 2 more answers
Marco wants to invest his savings in a bank for 3 years. He has borrowed £15,0000 to invest and receives offers from two banks.
azamat

Answer:

Marcos Should invest with the first bank

Step-by-step explanation:

Formula for finding compound interest is: A = p(1+\frac{r}{n})^{nt}

where

A = the future value of the investment

P = the principal investment amount (the initial deposit)

r = the annual interest rate (decimal)

n = the number of times that interest is compounded per unit t

t = the time the money is invested

If marcos choose to invest with the first bank

A = 15000(1+\frac{0.025}{12})^{12*3} = £16166.81

If he choose to invest with the second bank

His principal become 15570 in the first year because of the 3.8% offer from the bank and t becomes 2.

A = 15570(1+\frac{0.01}{12})^{12*2} = £15884.27

Comparing the future value of his investment from both bank, Marcos will get more interest from investing with the first bank.

5 0
3 years ago
Read 2 more answers
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