3 years ago

Alex Have 3 Siblings Sarah,Harry,And Jacob. Who's The 4th Sibling

Mathematics

1 answer:

Dennis_Churaev [7]3 years ago

5 0

Alex is the 4 sibling

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The authors of a paper titled "Age and Violent Content Labels Make Video Games Forbidden Fruits for Youth" carried out an experi

o-na [289]

Answer:

T = 290

Step-by-step explanation:

We can find the sum of all observations multiplying sample size (n) by sample mean (x).

Sum of all observations in the data set is,

$T=n_{1} x_{1}+n_{2}x_{2}+n_{3}x_{3}+n_{4}x_{4}\\T=10(5.3)+10(7)+10(8.5)+10(8.2)\\T=53+70+85+82\\T=290$

Hope this helps!

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3 years ago

What is 0.63 repeating as a fraction in simplest form

Sergeeva-Olga [200]

The simplest form is 63/100 <span />

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3 years ago

The cost of four cell phones are $345,$400,$110,and$640 What is the Median cost

garri49 [273]

Answer:

372.5

Step-by-step explanation:

Order the numbers least to greatest:

110, 345, 400, 640

Add the two middle numbers:

345+400= 745

Divide 745 by 2:

372.5

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3 years ago

Samantha bought a package of 6 pens for $4.32. How much would 2 pens cost. Write your answer in dollars and cents.

lubasha [3.4K]

Answer:

$1.44

Step-by-step explanation:

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3 years ago

Read 2 more answers

Help me idk how to do this

ElenaW [278]

To do this, you have to plug each x value into the rule.

1.y = 15 - 3×2
y = 15 - 6
y = 9

So the first y value would be 9.

2.y = 15 - 3×3
y = 15 - 9
y = 6

3. y = 15 - 3×4
y = 15-12
y = 3

4. y = 15 - 3×5
y = 15-15
y = 0

Hope this helps!

3 0

3 years ago