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2 years ago

What is the solution of 6x=15

Mathematics

2 answers:

kolezko [41]2 years ago

7 0

Answer:

2.5

Step-by-step explanation:

Anna [14]2 years ago

3 0

between 2 and 3 because 6×2=12 and 6×3=18

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If triangle ABC is congruent to triangle DEF, which statement is not true?

Blizzard [7]

When you name two congruent triangles with the letters of the vertices, you have to keep the order of the corresponding vertices. That means, that when you say triangle ABC is congruent to DEF, the corresponding congruent angles are A = D, B = E, and C = F. regarding the sides, segment AB = segment DE, segment BC = segment EF, and segment CA = segment FD. Then, the answer is that, of the four options, the one that is not true is the option b, because as we already said the corresponding equal angle C is F, not E.

5 0

2 years ago

Let f(x)=x^2-2x+1

Anarel [89]

Answer:

a.) f'(x) = 2x - 2

b.) horizontal tangent line at (1, 0)

c.) view image

d.) the point given, (-1, -1/2), isn't even located on the graph of f(x). Either there is a typo or the question is poorly stated.

Step-by-step explanation:

a.) You should know how to do derivative already

b.) Horizontal tangent line just mean that the slope is zero. Since a derivative is a slope, just find when the derivative is equal to 0.

c.) The function f(x) looks like a U. The only spot that has a zero slope is at the bottom of the U when the slope changes from negative to positive. Since my horizontal tangent line(where the slope is 0) is located at point (1,0), that must be where the bottom of the graph is,

d.) Poorly stated question. The point given isn't even located on the graph.

3 0

3 years ago

Chris is using the expression 4x + 2 to represent the number of students in his gym class. There are four times as many students

Oksi-84 [34.3K]

Answer:

Step-by-step explanation:

i wanna say 18 but im wrong i believe

3 0

2 years ago

Read 2 more answers

Which of the following quadrilaterals are classified as types of parallelograms?

Natali5045456 [20]

Square, Rhombus and rectangle.

8 0

2 years ago

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9. A ladder of length 23 feet leans against the side of a building. The angle of elevation of the ladder is 76. Find the distanc

irakobra [83]

<h3>Answer:</h3>

B) 22.32 feet

$\quad\rule{300pt}{1pt}$

<h3>Solution:</h3>

we are given that , a ladder is placed against a side of building , which forms a right angled triangle . We wre given one side of a right angled triangle ( hypotenuse ) as 23 feet and the angle of elevation as 76 ° . We can find the Perpendicular distance from the top of the ladder go to the ground by using the trigonometric identity:

$\qquad\quad\bull ~{\boxed{\bf{ Sin\theta =\dfrac{Perpendicular}{Hypotenuse}}} }~\bull$