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SpyIntel [72]
3 years ago
5

Square root of 90 minus r equals r

Mathematics
1 answer:
dsp733 years ago
8 0

Answer:

r=sqrt45

Step-by-step explanation:

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Given a normal distribution with a mean of 128 and a standard deviation of 15, what percentage of values is within the interval
tatyana61 [14]

Answer:

E. 99.7%

Step-by-step explanation:

Calculate each z-score.

z = (x − μ) / σ

z = (173 − 128) / 15

z = 3

z = (x − μ) / σ

z = (83 − 128) / 15

z = -3

You can use a z-score table, or use the empirical rule.

P(-3 < z < 3) = 99.7%.

6 0
3 years ago
Leora wants to paint the nursery in her house. The nursery is an 8–by–10–foot rectangle, and the ceiling is 10 feet tall. There
tatuchka [14]

Answer:

The correct answer is - 242 ft^2

Step-by-step explanation:

Given:

one door : 3*6.5 => 19.5 ft^2

other door: 3*6.5 => 19.5 ft^2

a window: 2*3.5 => 7 ft^2

total =       46 ft^2

area of all four walls: 2h (l+b)

= 2(8) (10+8)

= 16 (18)

= 288 ft^2

paint required excluding doors and window:

=> area of your wall - (area of doors and window)

=> 288 - 46

= 242 ft^2

4 0
3 years ago
To complete the music program, a student must present
Vladimir [108]

To complete the music program, a student must present one vocal performance, one instrumental performance,  and compose one original work.

What Is A Complex Sentence?

One independent clause and at least one dependent clause connected by subordinating conjunction make up a complex sentence. One of the four fundamental forms of sentences in the English language is complex sentences.

Complex sentences need a minimum of three components:

Independent Clauses: In writing, independent sentences are made up of the whole concepts stated along with a noun and verb (a subject and predicate). Independent clauses are capable of standing alone as whole sentences.

Dependent Clauses: Dependent clauses, also known as the subordinate clause, include a noun and a verb but are unable to articulate a coherent idea.

Subordinating conjunctions: Subordinating conjunctions are used to connect dependent clauses to independent clauses in complex sentences. These are the connecting words between the two clauses.

To learn more about Complex sentences, Visit:

brainly.com/question/930861

#SPJ4

8 0
2 years ago
Is 7n - 8m = 4-2m a linear equation? If so, put it in standard form.
Anna35 [415]
What do you mean put in standard form?
8 0
3 years ago
A science class is tracking the progress of plant growth. The class starts the experiment with a plant five centimeters high. Th
Liono4ka [1.6K]

Answer:

A

Step-by-step explanation:

when growth of plant is zero means x=0 then y=2(0)+5 = 5

8 0
3 years ago
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