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3 years ago

Find the value of Q1 for these values: 2, 4, 6, 8, 10, 12, 14.

Mathematics

1 answer:

ycow [4]3 years ago

5 0

Q1: 4 because 8 would be the mean so then you have to go to the of 2 and 6 so it is 4

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the zero of the quadratic polynomial x^2+99x+127 are a both positive b both negative c one +ve one-ve d both equal. please help

Paha777 [63]

Step-by-step explanation:

By Descrates' Rule of Signs,

x² + 99x + 127 changes sign 0 times.

Hence it has 0 positive roots.

Since the discriminant b² - 4ac is also positive, there are 2 real distinct roots.

Hence both the roots are negative. (B)

7 0

2 years ago

Read 2 more answers

Use the Distributive Property to write each expression as an equivalent algebraic expression.

xxMikexx [17]

Answer:

21 + 3a

Step-by-step explanation:

3 (7+a)

distribute 3 into parentheses:

21 + 3a

7 0

3 years ago

Read 2 more answers

One base of a triangular prism has two sides that are 15 inches wide and 10 inches long what is the possible length for the thir

Tcecarenko [31]

18.03 inches
Put the dimensions into the pythagorean theorem, that will give you the answer.

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3 years ago

What is the value of x? <br> -2/7x+6+1/7x=18 <br> x=

Alenkinab [10]

$- \frac{2}{7} x$ + 6 + $\frac{1}{7} x$ = 18

First, simplify $\frac{2}{7} x$ to $\frac{2x}{7}$ / Your problem should look like: $-\frac{2x}{7}$ + 6 + $\frac{1}{7} x$ = 18
Second, simplify $\frac{1}{7} x$ to $\frac{x}{7}$ / Your problem should look like: $- \frac{2x}{7}$ + 6 + $\frac{x}{7}$ = 18
Third, simplify $- \frac{2x}{7}$ + 6 + $\frac{x}{7}$ to $- \frac{x}{7}$ + 6 / Your problem should look like: $-\frac{x}{7}$ + 6 = 18
Fourth, regroup terms. / Your problem should look like: 6 - $\frac{x}{7}$ = 18
Fifth, multiply both sides by 7. / Your problem should look like: 42 - x = 126
Sixth, subtract 42 from both sides. / Your problem should look like: -x = 126 - 42
Seventh, simplify 126 - 42 to 84. / Your problem should look like: -x = 84
Eighth, multiply both sides by -1. / Your problem should look like: x = -84

Answer: x = -84

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3 years ago

Join for a maths intervention-foundation

In-s [12.5K]

Answer:

$i \: wil \: join \: u \: for \\ maths \: intervention - fondation$

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2 years ago