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Ad libitum [116K]
3 years ago
13

Heather Pablo, and Shen sent a total of 123 text messages during the weekend. Heather sent 9 more messages than Pablo. Shen sent

4 times as many
messages as Pablo. How many messages did they each send?
Mathematics
1 answer:
Korolek [52]3 years ago
8 0

Answer:

Heather sent 28, Pablo sent 19, and Shen sent 76.

Step-by-step explanation:

This will be your equation

123 = H (Heather) + P (Pablo) + S (Shen)

This is the extra stuff

P + 9 = H

4P = S

Substitute so there is only P then use that to solve for the rest

123 = P + 9 + P + 4P

Then solve

123 = 6P + 9

123 - 9 = 6P + 9 - 9

114 = 6P

19 = P

Then substitute for the extra equations

19 (P) + 9 = 28 (H)

19 (P) * 4 = 76

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Isha can buy 3 sweatshirts for a total of $45.How much would it cost if she were to buy 5 sweatshirts at the same price
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4 years ago
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If you answer I will give your brainliest just plz help me ok so which answer choice is correct?
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Answer:

it would be A and C

Step-by-step explanation:

I used photo math and it used C as its answer, but answer A simplifies to answer C therefore meaning they are both your answers! I hope this helped!

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3 years ago
A government official is in charge of allocating social programs throughout the city of Vancouver. He will decide where these so
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Answer: (0.132132, 0.274368)

Step-by-step explanation:

Given : A simple random sample of 123 people living in Gastown and finds that 25 have an annual income that is below the poverty line.

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Critical value for 95% confidence interval : z_{\alpha/2}=1.96

Confidence interval for population :

\hat{p}\pm z_{\alpha/2}\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}

i.e. 0.203252\pm (1.96)\sqrt{\dfrac{0.203252(1-0.203252)}{123}}

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4 years ago
12% of birr x is 840,what is the value of x​
Diano4ka-milaya [45]

The value of x will be 7000 for the expression 12 % x = 840.

We are given a number x.

We are also given as 12 % of x is 840

writing it in the form of an expression, we get that:

12 % x = 840

12 / 100 × x = 840

12 x = 84,000

Dividing both sides by 12, we get that:

12 x / 12 = 84,000 / 12

x = 7000

Therefore, the value of x will be 7000.

Learn more about an expression here:

brainly.com/question/723406

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