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3 years ago

What's the algebraic expression of "15 less than a number squared"?

Mathematics

1 answer:

torisob [31]3 years ago

8 0

Again take the variable to be x
x^12-15

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Solve this step by step

Kaylis [27]

Step-by-step explanation:

the formula to calculate a circumference is

$x \times \pi$

(consider x as the diameter)

so I'll be noting the circumference as C alongside the circle's ranking

$ca = 6 \times 22 \div 7 \\ = 44 \div 7$

$cb = 7 \times 22 \div 7 \\ = 154 \div 7 \\ = 22$

$cc \: = 4 \times 22 \div 7 \\ = 88 \div 7$

hope I helped

8 0

3 years ago

Help with these two math questions thank u :)

Tju [1.3M]

Answer:

1.) - (4, 4) 2.) - (3,5) Hope this helps!!

4 0

3 years ago

Give the null and alternative hypotheses in symbolic form that would be used in a hypothesis test of the following claim:

irakobra [83]

Answer:

Step-by-step explanation:

The null hypothesis is usually the default statement. The alternative is the opposite of the null and usually tested against the null hypothesis

In this case study,

The null hypothesis in would be that the mean time between clicks of the second hand on a particular clock is 1 second. In symbolic form it would be u = 1

The alternative hypothesis would be that the mean time between clicks of the second hand on a particular clock is 1 not second. In symbolic form, it would be: u =/ 1

3 0

3 years ago

Somebody help me with this? Please

defon

Answer:

See the attached image for solutions.

Step-by-step explanation:

X-ray vision to all students ratio:

6:36, which can be simplified to 1:6.

Flight to all students ratio:

8:36, which can be simplified to 2:9.

Flight to inivisibility ratio:

8:36, which can be simplified to 2:3.

Hope this helps! :)

6 0

2 years ago

Read 2 more answers

(11,2) m-7 how do you write in slope form

lara31 [8.8K]

Answer:

y=7x-75

Step-by-step explanation:

use poiint slope formula

8 0

3 years ago