Which expression is equivalent to the given expression?

Mathematics

2 answers:

vovikov84 [41]3 years ago

8 0

3(2a + 5) = 3 * 2a + 3 * 5 = 6a + 15

sergeinik [125]3 years ago

5 0

The answer is 6a + 15

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max2010maxim [7]

Let O be the point of intersection of diagonals.

Consider triangles FOE and EOD:
FO = OD, ∠FOE = ∠EOD and OE is a common side ⇒
triangles FOE and EOD are congruent.

In congruent triangles all corresponding sides and are congruent ⇒
EF = DE = 6

6 0

3 years ago

A data set includes data from 500 random tornadoes. The display from technology available below results from using the tornado l

lisov135 [29]

Answer:

The null and alternative hypothesis are:

$H_0:\mu =2.6\\H_a:\mu >2.6$

There is sufficient evidence to support the claim that the mean tornado length is greater than 2.6 miles

Step-by-step explanation:

Consider the provided information.

The claim that the mean tornado length is greater than 2.6 miles.

If there is no statistical significance in the test then it is know as the null which is denoted by $H_0$ , otherwise it is known as alternative hypothesis which denoted by $H_a$ .