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alekssr [168]
3 years ago
10

How many tenths and how many hundreds are represented in 65/100?

Mathematics
1 answer:
GalinKa [24]3 years ago
7 0

Answer:

There are 60 tenths and 5 hundreths

the decimal form is 0.65

Step-by-step explanation:

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Solve the inequality. x – 1 ≤ – 9
ohaa [14]

i think the answer is x ≤ -8

7 0
3 years ago
Factor the expression completely.<br> 15x2-5x - 10<br> 15x2-5x - 10 =
AVprozaik [17]

Answer:

x=8

Step-by-step explanation:

30-5x-10

-5x+30-10

-5x+40

-5x= -40

divide both sides by -5

-5x/-5= -40/-5

x=8

5 0
3 years ago
What are the solutions of 8x{2}=6+22x
Olenka [21]
8x^2=6+22x\ \ \ \ |-22x-6\\\\8x^2-22x-6=0\ \ \ |:2\\\\4x^2-11x-3=0\\\\4x^2-12x+x-3=0\\\\4x(x-3)+1(x-3)=0\\\\(x-3)(4x+1)=0\iff x-3=0\ \vee\ 4x+1=0\\\\x-3=0\ \ \ |+3\\x=3\\\\4x+1=0\ \ \ |-1\\4x=-1\ \ \ |:4\\x=-0.25

Answer: x = 3 or x = -0.25
3 0
3 years ago
Determine whether the triangles in each pair are similar.
DerKrebs [107]

Answer:

None, they are not similar.

You can tell by trying to match ratios with others.

55:42:36

(I put them least to greatest order because triangles cannot really like change only one sides' value, so it makes it visually easier to comprehend.

8:7:5

I can't see any possible way to relate these two ratios together.

The 5 cannot go into 36 anyhow, and like the 8 and 55. The 7 can be multiplied by 6 to get 42, but 5 and 8 cannot reach their own numbers.

Step-by-step explanation:

I shall accept every question from your profile >:)

4 0
3 years ago
If PQRS is a rhombus, which statements must be true? Check all that apply.
bezimeni [28]
These statements are true:

\bold{First.} \ \overline{PS} \ is \ parallel \ to \ \overline{QR}

This is <em>true</em> because of the definition of a rhombus which states that opposite sides are parallel.

Then \ \overline{PS} \ is \ opposite \ to \ \overline{QR}

\bold{Second.} \ \overline{PR} \ is \ perpendicular \ to \ \overline{QS}

This is <em>true </em>because the diagonals of a rhombus bisect each other at right angles.

\bold{Third.} \ \overline{PQ}=\overline{RS}

This is<em> true</em> because the four sides of a rhombus are all equals.

\bold{Fourth.} \ \angle PQR \ is \ supplementary \ to \ \angle QPS

This is also <em>true</em>. Two angles are supplementary when they add up to 180 degrees. Angles in rhombus are equal two to two. Let's name:

\angle PQR = \alpha \ and \ \angle QPS = \beta 

Then it is true that:

\angle PQR=\angle PSR \ and \ \angle QPS=\angle QRS

Besides, a rhombus is a quadrilateral and it is true that the interior angles of a quadrilateral add up to 360 degrees, thus:

2\alpha+2\beta=360 \\ \\ \therefore \boxed{\alpha+\beta = 180^\circ}

5 0
3 years ago
Read 2 more answers
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